diff --git a/app/src/main/kotlin/com/simplemobiletools/calculator/helpers/converters/Base.kt b/app/src/main/kotlin/com/simplemobiletools/calculator/helpers/converters/Base.kt
index d234c9c8..9318dccc 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calculator/helpers/converters/Base.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calculator/helpers/converters/Base.kt
@@ -5,7 +5,8 @@ interface Converter {
         val ALL = listOf(
             LengthConverter,
             AreaConverter,
-            VolumeConverter
+            VolumeConverter,
+            MassConverter
         )
     }
 
diff --git a/app/src/main/kotlin/com/simplemobiletools/calculator/helpers/converters/MassConverter.kt b/app/src/main/kotlin/com/simplemobiletools/calculator/helpers/converters/MassConverter.kt
new file mode 100644
index 00000000..26db2863
--- /dev/null
+++ b/app/src/main/kotlin/com/simplemobiletools/calculator/helpers/converters/MassConverter.kt
@@ -0,0 +1,100 @@
+package com.simplemobiletools.calculator.helpers.converters
+
+import com.simplemobiletools.calculator.R
+
+object MassConverter : Converter {
+    override val nameResId: Int = R.string.unit_mass
+    override val imageResId: Int = R.drawable.ic_scale_vector
+
+    sealed class Unit(nameResId: Int, factor: Double) : Converter.Unit(nameResId, factor) {
+        data object Gram : Unit(
+            nameResId = R.string.unit_mass_gram,
+            factor = 0.001
+        )
+
+        data object Kilogram : Unit(
+            nameResId = R.string.unit_mass_kilogram,
+            factor = 1.0
+        )
+
+        data object Milligram : Unit(
+            nameResId = R.string.unit_mass_milligram,
+            factor = 0.000001
+        )
+
+        data object Microgram : Unit(
+            nameResId = R.string.unit_mass_microgram,
+            factor = 0.000000001
+        )
+
+        data object Tonne : Unit(
+            nameResId = R.string.unit_mass_tonne,
+            factor = 1_000.0
+        )
+
+        data object Pound : Unit(
+            nameResId = R.string.unit_mass_pound,
+            factor =  0.45359237
+        )
+
+        data object Ounce : Unit(
+            nameResId = R.string.unit_mass_ounce,
+            factor = 0.028349523125
+        )
+
+        data object Grain : Unit(
+            nameResId = R.string.unit_mass_grain,
+            factor = 0.00006479891
+        )
+
+        data object Dram : Unit(
+            nameResId = R.string.unit_mass_dram,
+            factor = 0.0017718451953125
+        )
+
+        data object Stone : Unit(
+            nameResId = R.string.unit_mass_stone,
+            factor = 6.35029318
+        )
+
+        data object LongTon : Unit(
+            nameResId = R.string.unit_mass_long_ton,
+            factor = 1_016.0469088
+        )
+
+        data object ShortTon : Unit(
+            nameResId = R.string.unit_mass_short_ton,
+            factor = 907.18474
+        )
+
+        data object Carat : Unit(
+            nameResId = R.string.unit_mass_carat,
+            factor = 0.0002051965483
+        )
+
+        data object CaratMetric : Unit(
+            nameResId = R.string.unit_mass_carat_metric,
+            factor = 0.0002
+        )
+    }
+
+    override val units: List<Unit> = listOf(
+        Unit.Gram,
+        Unit.Kilogram,
+        Unit.Milligram,
+        Unit.Microgram,
+        Unit.Tonne,
+        Unit.Pound,
+        Unit.Ounce,
+        Unit.Grain,
+        Unit.Dram,
+        Unit.Stone,
+        Unit.LongTon,
+        Unit.ShortTon,
+        Unit.Carat,
+        Unit.CaratMetric,
+    )
+
+    override val defaultTopUnit: Unit = Unit.Pound
+    override val defaultBottomUnit: Unit = Unit.Kilogram
+}
diff --git a/app/src/main/res/drawable/ic_scale_vector.xml b/app/src/main/res/drawable/ic_scale_vector.xml
new file mode 100644
index 00000000..54782c4c
--- /dev/null
+++ b/app/src/main/res/drawable/ic_scale_vector.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M14,11V8c4.56,-0.58 8,-3.1 8,-6H2c0,2.9 3.44,5.42 8,6l0,3c-3.68,0.73 -8,3.61 -8,11h6v-2H4.13c0.93,-6.83 6.65,-7.2 7.87,-7.2s6.94,0.37 7.87,7.2H16v2h6C22,14.61 17.68,11.73 14,11zM12,22c-1.1,0 -2,-0.9 -2,-2c0,-0.55 0.22,-1.05 0.59,-1.41C11.39,17.79 16,16 16,16s-1.79,4.61 -2.59,5.41C13.05,21.78 12.55,22 12,22z"/>
+</vector>
diff --git a/app/src/main/res/values-ar/strings.xml b/app/src/main/res/values-ar/strings.xml
index 722478a5..d99d92c7 100644
--- a/app/src/main/res/values-ar/strings.xml
+++ b/app/src/main/res/values-ar/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">كيف يعمل الزر C (مسح)؟</string>
     <string name="faq_1_text">النقر على ذلك سوف يزيل حرف واحد في وقت واحد. الضغط لفترة طويلة سوف إعادة تعيين جميع الحقول في وقت واحد.</string>
diff --git a/app/src/main/res/values-az/strings.xml b/app/src/main/res/values-az/strings.xml
index 7430788a..ab047d68 100644
--- a/app/src/main/res/values-az/strings.xml
+++ b/app/src/main/res/values-az/strings.xml
@@ -89,6 +89,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
 
     <!-- FAQ -->
     <string name="faq_1_title">C (Sil) düyməsi necə işləyir?</string>
diff --git a/app/src/main/res/values-be/strings.xml b/app/src/main/res/values-be/strings.xml
index 98a4fd2a..9eb8be42 100644
--- a/app/src/main/res/values-be/strings.xml
+++ b/app/src/main/res/values-be/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Як працуе кнопка C (Ачыстка)\?</string>
     <string name="faq_1_text">Крананне да яе выдаляе адзін сімвал. Доўгае націсканне на яе ачышчае адразу ўсе палі.</string>
diff --git a/app/src/main/res/values-bg/strings.xml b/app/src/main/res/values-bg/strings.xml
index e1605ce7..56ce3ca8 100644
--- a/app/src/main/res/values-bg/strings.xml
+++ b/app/src/main/res/values-bg/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Как работи бутонът C (Clear)\?</string>
     <string name="faq_1_text">Натискането му ще премахва по един символ. Дълго натискане ще изчисти наведнъж всички полета.</string>
diff --git a/app/src/main/res/values-ca/strings.xml b/app/src/main/res/values-ca/strings.xml
index dedaf5b1..2c66e66c 100644
--- a/app/src/main/res/values-ca/strings.xml
+++ b/app/src/main/res/values-ca/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Com funciona el botó C (Esborra)\?</string>
     <string name="faq_1_text">En tocar-lo, s\'eliminarà un caràcter a la vegada. Si el premeu prolongadament, es reiniciaran tots els camps de cop.</string>
diff --git a/app/src/main/res/values-cs/strings.xml b/app/src/main/res/values-cs/strings.xml
index 88af5581..abdfad94 100644
--- a/app/src/main/res/values-cs/strings.xml
+++ b/app/src/main/res/values-cs/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Jak funguje tlačítko C?</string>
     <string name="faq_1_text">Stisknutím odmažete jeden znak. Dlouhým podržením smažete naráz všechna pole.</string>
diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index 9c9fc31c..6b6bd4ed 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Sut mae\'r botwm C (clirio) yn gweithio?</string>
     <string name="faq_1_text">Mae ei dapio yn tynnu un rhif ar y tro. Mae ei dal yn ailosod pob maes gyda\'i gilydd ar unwaith.</string>
diff --git a/app/src/main/res/values-da/strings.xml b/app/src/main/res/values-da/strings.xml
index 88923e6f..c7fb2f55 100644
--- a/app/src/main/res/values-da/strings.xml
+++ b/app/src/main/res/values-da/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Hvordan virker knappen C (Slet)\?</string>
     <string name="faq_1_text">Hvis du trykker på det, fjernes et tegn ad gangen. Langt tryk vil nulstille alle felter på én gang.</string>
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 99295787..bd3b5129 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Wie funktioniert die C-Taste (Löschen)\?</string>
     <string name="faq_1_text">Bei einmaliger Berührung wird ein Zeichen entfernt. Bei langer Berührung werden alle Felder zurück gesetzt.</string>
diff --git a/app/src/main/res/values-el/strings.xml b/app/src/main/res/values-el/strings.xml
index 75aa7833..c26fbc9c 100644
--- a/app/src/main/res/values-el/strings.xml
+++ b/app/src/main/res/values-el/strings.xml
@@ -89,6 +89,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
 
     <!-- FAQ -->
     <string name="faq_1_title">Πώς λειτουργεί το κουμπί C (Καθαρισμός);</string>
diff --git a/app/src/main/res/values-eo/strings.xml b/app/src/main/res/values-eo/strings.xml
index aed7f14a..42f20d46 100644
--- a/app/src/main/res/values-eo/strings.xml
+++ b/app/src/main/res/values-eo/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Kiel funkcias la butono C («Forviŝi»)\?</string>
     <string name="faq_1_text">Frapetado sur ĝi forviŝos signojn po unu por frapeto. Longa premado forviŝos ĉiujn kampojn samtempe.</string>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 32d14fdb..89e03af7 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">¿Cómo funciona el botón C (Borrar)\?</string>
     <string name="faq_1_text">Presionándolo una vez eliminará un solo carácter. Mantenerlo presionado reiniciará todos los campos.</string>
diff --git a/app/src/main/res/values-et/strings.xml b/app/src/main/res/values-et/strings.xml
index b1f35b98..838522b7 100644
--- a/app/src/main/res/values-et/strings.xml
+++ b/app/src/main/res/values-et/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Kuidas C (Clear) nupp toimib\?</string>
     <string name="faq_1_text">Üks klõpsatus kustutab ühe numbri. Pikk vajutus eemaldab kogu sisestuse.</string>
diff --git a/app/src/main/res/values-fi/strings.xml b/app/src/main/res/values-fi/strings.xml
index 7da5d523..62b25540 100644
--- a/app/src/main/res/values-fi/strings.xml
+++ b/app/src/main/res/values-fi/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Miten C (Tyhjennä) -painike toimii\?</string>
     <string name="faq_1_text">Sen napautus poistaa yhden merkin kerrallaan ja pitkä painallus tyhjentää kaikki kentät.</string>
diff --git a/app/src/main/res/values-fil/strings.xml b/app/src/main/res/values-fil/strings.xml
index 64f0fd9a..123d0712 100644
--- a/app/src/main/res/values-fil/strings.xml
+++ b/app/src/main/res/values-fil/strings.xml
@@ -84,6 +84,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <string name="faq_1_title">Paano gumagana ang C (Clear) button\?</string>
     <string name="faq_1_text">Matatanggal ng isang karakter kapag pinindot ito nang isang beses. Ire-reset naman ang lahat ng mga field kapag mahabang pinindot ito.</string>
 </resources>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 2e5fd280..c41bbc33 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Comment fonctionne le bouton C (Effacer) \?</string>
     <string name="faq_1_text">En tapotant dessus, vous retirerez un caractère à la fois. Une pression prolongée sur le bouton réinitialisera tous les champs à la fois.</string>
diff --git a/app/src/main/res/values-gl/strings.xml b/app/src/main/res/values-gl/strings.xml
index ed100209..05f44a26 100644
--- a/app/src/main/res/values-gl/strings.xml
+++ b/app/src/main/res/values-gl/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Como funciona o botón C (Borrar)?</string>
     <string name="faq_1_text">O premer, eliminarase un carácter á vez. O premer de forma continua, restableceranse todos os campos á vez.</string>
diff --git a/app/src/main/res/values-hi/strings.xml b/app/src/main/res/values-hi/strings.xml
index 3288d56b..11ab8234 100644
--- a/app/src/main/res/values-hi/strings.xml
+++ b/app/src/main/res/values-hi/strings.xml
@@ -84,6 +84,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <string name="faq_1_title">सी (क्लियर) बटन कैसे काम करता है\?</string>
     <string name="faq_1_text">इस पर टैप करने से एक बार में एक कैरेक्टर हट जाएगा। लंबे समय तक इसे दबाने से एक ही बार में सभी फ़ील्ड रीसेट हो जाएंगे।</string>
 </resources>
diff --git a/app/src/main/res/values-hr/strings.xml b/app/src/main/res/values-hr/strings.xml
index d2566b8b..3f2aae28 100644
--- a/app/src/main/res/values-hr/strings.xml
+++ b/app/src/main/res/values-hr/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Kako funkcionira gumb C (Izbriši)\?</string>
     <string name="faq_1_text">Dodirom gumba uklanjaju se znakovi jedan po jedan. Dugim pritiskom gumba obnavljaju se sva polja.</string>
diff --git a/app/src/main/res/values-hu/strings.xml b/app/src/main/res/values-hu/strings.xml
index 4e463b17..28e464db 100644
--- a/app/src/main/res/values-hu/strings.xml
+++ b/app/src/main/res/values-hu/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Hogyan működik a C (törlés) gomb\?</string>
     <string name="faq_1_text">A koppintás egyszerre egy karaktert töröl. A hosszú lenyomás egyszerre állítja vissza az összes mezőt.</string>
diff --git a/app/src/main/res/values-in/strings.xml b/app/src/main/res/values-in/strings.xml
index acf41d8b..6baea118 100644
--- a/app/src/main/res/values-in/strings.xml
+++ b/app/src/main/res/values-in/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Bagaimana tombol C (Clear) bekerja?</string>
     <string name="faq_1_text">Menyentuhnya sekali akan menghapus satu karakter. Menyentuhnya lama akan mengosongkan seluruh ruas sekaligus.</string>
diff --git a/app/src/main/res/values-is/strings.xml b/app/src/main/res/values-is/strings.xml
index edaf3752..d95a0333 100644
--- a/app/src/main/res/values-is/strings.xml
+++ b/app/src/main/res/values-is/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Hvernig virkar C (Hreinsa) hnappurinn\?</string>
     <string name="faq_1_text">Með því að pikka á hann verður einn stafur fjarlægður í einu. Haltu inni til þess að endurstilla alla reiti í einu.</string>
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index 1c89b357..889f334e 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Come funziona il tasto C (Cancella)?</string>
     <string name="faq_1_text">Premendo il tasto una volta verrà eliminato un singolo carattere; tenendolo premuto invece eliminerà tutta la stringa.</string>
diff --git a/app/src/main/res/values-iw/strings.xml b/app/src/main/res/values-iw/strings.xml
index a5985003..941ee8fb 100755
--- a/app/src/main/res/values-iw/strings.xml
+++ b/app/src/main/res/values-iw/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">כיצד פועל לחצן C (ניקוי)\?</string>
     <string name="faq_1_text">הקשה עליו תסיר תו אחד בכל פעם. לחיצה ארוכה עליו תאפס את כל השדות בבת אחת.</string>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index f874d2f1..8e03200b 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">C (クリア) ボタンはどのように機能しますか？</string>
     <string name="faq_1_text">ボタンをタップするたびに1文字ずつ削除されます。ボタンを長押しするとすべてのフィールドがリセットされます。</string>
diff --git a/app/src/main/res/values-kn/strings.xml b/app/src/main/res/values-kn/strings.xml
index 3c9e0fd2..6af3fb5b 100644
--- a/app/src/main/res/values-kn/strings.xml
+++ b/app/src/main/res/values-kn/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">ಸಿ (ತೆರವುಗೊಳಿಸಿ) ಬಟನ್ ಹೇಗೆ ಕೆಲಸ ಮಾಡುತ್ತದೆ\?</string>
     <string name="faq_1_text">ಅದರ ಮೇಲೆ ಟ್ಯಾಪ್ ಮಾಡುವುದರಿಂದ ಒಂದು ಸಮಯದಲ್ಲಿ ಒಂದು ಅಕ್ಷರವನ್ನು ತೆಗೆದುಹಾಕಲಾಗುತ್ತದೆ. ದೀರ್ಘವಾಗಿ ಒತ್ತಿದರೆ ಎಲ್ಲಾ ಕ್ಷೇತ್ರಗಳನ್ನು ಒಂದೇ ಬಾರಿಗೆ ಮರುಹೊಂದಿಸುತ್ತದೆ.</string>
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index a2eb0f27..7de95ee5 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">C(지우기) 버튼은 어떻게 작동합니까\?</string>
     <string name="faq_1_text">누르면 한 번에 한 문자씩 제거됩니다. 길게 누르면 모든 필드가 한 번에 재설정됩니다.</string>
diff --git a/app/src/main/res/values-kr/strings.xml b/app/src/main/res/values-kr/strings.xml
index 206d6864..f9f2098d 100644
--- a/app/src/main/res/values-kr/strings.xml
+++ b/app/src/main/res/values-kr/strings.xml
@@ -89,6 +89,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
 
     <!-- FAQ -->
     <string name="faq_1_title">C (Clear) 버튼을 어떻게 사용합니까?</string>
diff --git a/app/src/main/res/values-lt/strings.xml b/app/src/main/res/values-lt/strings.xml
index eef099c6..f3126f28 100644
--- a/app/src/main/res/values-lt/strings.xml
+++ b/app/src/main/res/values-lt/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Kaip veikia C (Išvalymo) mygtukas\?</string>
     <string name="faq_1_text">Kiekvieną kartą ant jo bakstelėjus, bus šalinama po vieną simbolį. Ilgai jį palaikius, bus iš karto atstatyti visi laukai.</string>
diff --git a/app/src/main/res/values-lv/strings.xml b/app/src/main/res/values-lv/strings.xml
index c70e1cf3..4ec57318 100644
--- a/app/src/main/res/values-lv/strings.xml
+++ b/app/src/main/res/values-lv/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Kā darbojas poga C (Notīrīt)\?</string>
     <string name="faq_1_text">Pieskarieties tai, lai noņemtu vienu rakstzīmi vienlaikus. Ilgstoši nospiežot to, tiks atiestatīti visi lauki vienlaicīgi.</string>
diff --git a/app/src/main/res/values-mk/strings.xml b/app/src/main/res/values-mk/strings.xml
index 732176ae..73a46432 100644
--- a/app/src/main/res/values-mk/strings.xml
+++ b/app/src/main/res/values-mk/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Како функционира копчето C (Clear) \?</string>
     <string name="faq_1_text">Прислушкувањето на него ќе отстрани еден лик во исто време. Долгото притискање ќе ги ресетира сите полиња одеднаш.</string>
diff --git a/app/src/main/res/values-ml/strings.xml b/app/src/main/res/values-ml/strings.xml
index 2e7ae233..b4e83860 100644
--- a/app/src/main/res/values-ml/strings.xml
+++ b/app/src/main/res/values-ml/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">C(ക്ലിയർ ) ബട്ടൺ പ്രവർത്തിക്കുന്നത് എങ്ങനെ\?</string>
     <string name="faq_1_text">ടാപ്പ് ചെയ്യുമ്പോൾ ഒരു സമയം ഒരു പ്രതീകത്തെ നീക്കംചെയ്യും. ദീർഘനേരം അമർത്തിയാൽ എല്ലാ ഫീൽഡുകളും പുനഃസജ്ജമാക്കും.</string>
diff --git a/app/src/main/res/values-ms/strings.xml b/app/src/main/res/values-ms/strings.xml
index a3f99770..d6ddd496 100644
--- a/app/src/main/res/values-ms/strings.xml
+++ b/app/src/main/res/values-ms/strings.xml
@@ -89,6 +89,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
 
     <!-- FAQ -->
     <string name="faq_1_title">Bagaimana Butang C (Menghapus) Digunakan？</string>
diff --git a/app/src/main/res/values-nl/strings.xml b/app/src/main/res/values-nl/strings.xml
index cff4f9b6..bff0c534 100644
--- a/app/src/main/res/values-nl/strings.xml
+++ b/app/src/main/res/values-nl/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Hoe werkt de knop C (Clear)\?</string>
     <string name="faq_1_text">Kort indrukken verwijdert één karakter per keer. Lang drukken wist direct alle velden.</string>
diff --git a/app/src/main/res/values-no-rNO/strings.xml b/app/src/main/res/values-no-rNO/strings.xml
index 110978eb..2d17c242 100644
--- a/app/src/main/res/values-no-rNO/strings.xml
+++ b/app/src/main/res/values-no-rNO/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <string name="faq_1_title">Hvordan fungerer C (Clear)-knappen\?</string>
     <string name="faq_1_text">Å trykke på den fjerner ett tegn av gangen. Lang-trykk tilbakestiller alle felter.</string>
     <!--
diff --git a/app/src/main/res/values-pa-rPK/strings.xml b/app/src/main/res/values-pa-rPK/strings.xml
index 49716a7a..80f4ac1c 100644
--- a/app/src/main/res/values-pa-rPK/strings.xml
+++ b/app/src/main/res/values-pa-rPK/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">How does the C (Clear) button work\?</string>
     <string name="faq_1_text">Tapping on it will remove one character at a time. Long pressing it will reset all fields at once.</string>
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 228dbfb7..27e088e2 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Jak działa przycisk C (Wyczyść)?</string>
     <string name="faq_1_text">Naciśnięcie go usunie jeden znak naraz. Długie naciśnięcie zresetuje wszystkie pola jednocześnie.</string>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index f69fc42d..24b8b3d5 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Como funciona o botão C (Clear)\?</string>
     <string name="faq_1_text">Um toque remove um caractere de cada vez. Um toque longo redefine todos os campos de uma vez.</string>
diff --git a/app/src/main/res/values-pt/strings.xml b/app/src/main/res/values-pt/strings.xml
index 2a2fbdf6..2284610f 100644
--- a/app/src/main/res/values-pt/strings.xml
+++ b/app/src/main/res/values-pt/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Como funciona o botão C (limpar)\?</string>
     <string name="faq_1_text">Ao tocar uma vez, os caracteres serão apagados um a um. Um toque longo apaga todos os caracteres ao mesmo tempo.</string>
diff --git a/app/src/main/res/values-ro/strings.xml b/app/src/main/res/values-ro/strings.xml
index 2da0ce4c..5fe7c902 100644
--- a/app/src/main/res/values-ro/strings.xml
+++ b/app/src/main/res/values-ro/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Cum funcționează butonul Ș (Șterge)\?</string>
     <string name="faq_1_text">Apăsând pe el, veți elimina câte un caracter pe rând. Apăsarea lungă va reseta toate câmpurile deodată.</string>
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index a0e355bc..13f45017 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Как работает кнопка C (Очистка)\?</string>
     <string name="faq_1_text">Нажатие на неё удалит один символ. Долгое нажатие сбросит все поля сразу.</string>
diff --git a/app/src/main/res/values-sk/strings.xml b/app/src/main/res/values-sk/strings.xml
index 642e0f9b..85d7ae2b 100644
--- a/app/src/main/res/values-sk/strings.xml
+++ b/app/src/main/res/values-sk/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Ako funguje tlačidlo C?</string>
     <string name="faq_1_text">Jedným stlačením viete vymazať 1 znak. Dlhé podržanie vymaže všetky polia naraz.</string>
diff --git a/app/src/main/res/values-sl/strings.xml b/app/src/main/res/values-sl/strings.xml
index fd929543..c03e4430 100644
--- a/app/src/main/res/values-sl/strings.xml
+++ b/app/src/main/res/values-sl/strings.xml
@@ -84,6 +84,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <string name="faq_1_title">Kako deluje gumb C (Clear)\?</string>
     <string name="faq_1_text">Če ga stisnete, odstranite po en lik naenkrat. Z dolgim pritiskom nanj boste odstranili vsa polja naenkrat.</string>
 </resources>
diff --git a/app/src/main/res/values-sr/strings.xml b/app/src/main/res/values-sr/strings.xml
index e5cedcac..e6eccf3e 100644
--- a/app/src/main/res/values-sr/strings.xml
+++ b/app/src/main/res/values-sr/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Како дугме Ц (Обриши) функционише\?</string>
     <string name="faq_1_text">Додиривање на њега ће уклонити један по један знак. Дуго притискање ће успоставити почетне вредности свих поља одједном.</string>
diff --git a/app/src/main/res/values-sv/strings.xml b/app/src/main/res/values-sv/strings.xml
index a7445bdf..86d2c30d 100644
--- a/app/src/main/res/values-sv/strings.xml
+++ b/app/src/main/res/values-sv/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Hur funkar C (Rensa) knappen\?</string>
     <string name="faq_1_text">Om du trycker på den tar du bort ett tecken i taget. Om du trycker länge på den återställs alla fält på en gång.</string>
diff --git a/app/src/main/res/values-ta/strings.xml b/app/src/main/res/values-ta/strings.xml
index deb691f9..fdb4e7db 100644
--- a/app/src/main/res/values-ta/strings.xml
+++ b/app/src/main/res/values-ta/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">சி (தெளிவு) பொத்தான் எப்படி வேலை செய்கிறது\?</string>
     <string name="faq_1_text">அதைத் தட்டினால் ஒரு நேரத்தில் ஒரு எழுத்து நீக்கப்படும். நீண்ட நேரம் அழுத்தினால், எல்லாப் புலங்களையும் ஒரே நேரத்தில் மீட்டமைக்கும்.</string>
diff --git a/app/src/main/res/values-te/strings.xml b/app/src/main/res/values-te/strings.xml
index f1ec0b22..2952f4b5 100644
--- a/app/src/main/res/values-te/strings.xml
+++ b/app/src/main/res/values-te/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">C (క్లియర్) బటన్ ఎలా పని చేస్తుంది\?</string>
     <string name="faq_1_text">దానిపై నొక్కడం ద్వారా ఒక్కో అక్షరం తీసివేయబడుతుంది. ఎక్కువసేపు నొక్కితే, అన్ని ఫీల్డ్‌లు ఒకేసారి రీసెట్ చేయబడతాయి.</string>
diff --git a/app/src/main/res/values-th/strings.xml b/app/src/main/res/values-th/strings.xml
index 59a627af..e0ba70bc 100644
--- a/app/src/main/res/values-th/strings.xml
+++ b/app/src/main/res/values-th/strings.xml
@@ -90,6 +90,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
 
     <!-- FAQ -->
     <string name="faq_1_title">How does the C (Clear) button work?</string>
diff --git a/app/src/main/res/values-tr/strings.xml b/app/src/main/res/values-tr/strings.xml
index 133f1258..39aa9962 100644
--- a/app/src/main/res/values-tr/strings.xml
+++ b/app/src/main/res/values-tr/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">C (Temizle) düğmesi nasıl çalışır?</string>
     <string name="faq_1_text">Üzerine dokunmak, bir seferde bir karakteri kaldıracaktır. Uzun basma, tüm alanları bir kerede sıfırlayacaktır.</string>
diff --git a/app/src/main/res/values-uk/strings.xml b/app/src/main/res/values-uk/strings.xml
index e5ff89c1..39a56f59 100644
--- a/app/src/main/res/values-uk/strings.xml
+++ b/app/src/main/res/values-uk/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">Як працює кнопка C (Очистити)?</string>
     <string name="faq_1_text">Короткий натиск видалить один символ за раз. Тривалий натиск одразу очистить всі поля.</string>
diff --git a/app/src/main/res/values-zgh/strings.xml b/app/src/main/res/values-zgh/strings.xml
index 0c376049..8ff9081a 100644
--- a/app/src/main/res/values-zgh/strings.xml
+++ b/app/src/main/res/values-zgh/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">ⵎⴰⵎⴽ ⵜⵙⵡⵓⵔⵓⵢ ⵜⴳⵎⵎⵓⵜ C (ⴽⴽⵙ)\?</string>
     <string name="faq_1_text">ⴰⴱⴱⴰⵥ ⵅⴼ ⵓⵢⵏⵏⴰ ⴰⴷ ⵉⴽⴽⵙ ⵢⴰⵏ ⵓⵙⴽⴽⵉⵍ ⴳ ⵢⴰⵏ ⵓⵣⵎⵣ. ⵎⵛ ⵉⵍⵍⴰ ⵡⴰⴱⴱⴰⵥ ⴰⵙⵓⵍⴰⵏ ⵔⴰⴷ ⵜⵜⵓⵙⵏⴼⵍⵏ ⵎⴰⵕⵕⴰ ⵉⴳⵔⴰⵏ ⴳ ⵢⴰⵏ ⵓⵣⵎⵣ.</string>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index f5fe18e3..42ab44b2 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">如何使用 C (清除) 按钮？</string>
     <string name="faq_1_text">点按它一次删除一个字母。长按它将立即重置所有字段。</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index e80bee2d..4289add6 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -87,6 +87,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
     <!-- FAQ -->
     <string name="faq_1_title">C（清除）按鈕如何使用？</string>
     <string name="faq_1_text">按一次會刪除一個字元。長按會馬上重設全部欄位。</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 561ff76b..f1124040 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -91,6 +91,21 @@
     <string name="unit_volume_drop_imperial">Drop (Imperial)</string>
     <string name="unit_volume_teaspoon_imperial">Teaspoon (Imperial)</string>
     <string name="unit_volume_tablespoon_imperial">Tablespoon (Imperial)</string>
+    <string name="unit_mass">Mass</string>
+    <string name="unit_mass_gram">Gram</string>
+    <string name="unit_mass_kilogram">Kilogram</string>
+    <string name="unit_mass_milligram">Milligram</string>
+    <string name="unit_mass_microgram">Microgram</string>
+    <string name="unit_mass_tonne">Tonne</string>
+    <string name="unit_mass_pound">Pound</string>
+    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_grain">Grain</string>
+    <string name="unit_mass_dram">Dram</string>
+    <string name="unit_mass_stone">Stone</string>
+    <string name="unit_mass_long_ton">Long Ton</string>
+    <string name="unit_mass_short_ton">Short Ton</string>
+    <string name="unit_mass_carat">Carat</string>
+    <string name="unit_mass_carat_metric">Carat (Metric)</string>
 
     <!-- FAQ -->
     <string name="faq_1_title">How does the C (Clear) button work?</string>