diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 438096b2..838b65d0 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -97,7 +97,7 @@
     <string name="unit_time_week">Semaine</string>
     <string name="unit_time_year">Année</string>
     <!-- FAQ -->
-    <string name="faq_1_title">Comment fonctionne le bouton C (Effacer) \?</string>
+    <string name="faq_1_title">Comment le bouton C (Effacer) fonctionne-t-il \?</string>
     <string name="faq_1_text">En appuyant dessus, vous effacerez un caractère à la fois. Un appui prolongé réinitialisera tous les champs d\'un seul coup.</string>
     <!--
         Haven't found some strings? There's more at
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index 5f372882..80bc8272 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -29,53 +29,53 @@
     <string name="unit_length_foot">Pés</string>
     <string name="unit_length_inch">Polegada</string>
     <string name="unit_length_fathom">Fathom</string>
-    <string name="unit_length_nautical_mile">Nautical Mile</string>
-    <string name="unit_length_astronomical_unit">Astronomical Unit</string>
+    <string name="unit_length_nautical_mile">Milha Náutica</string>
+    <string name="unit_length_astronomical_unit">Unidade Astronômica</string>
     <string name="unit_length_parsec">Parsec</string>
-    <string name="unit_length_light_year">Light Year</string>
+    <string name="unit_length_light_year">Ano-luz</string>
     <string name="unit_area">Area</string>
-    <string name="unit_area_square_kilometer">Square Kilometer</string>
-    <string name="unit_area_square_meter">Square Meter</string>
-    <string name="unit_area_square_centimeter">Square Centimeter</string>
-    <string name="unit_area_square_millimeter">Square Millimeter</string>
-    <string name="unit_area_square_mile">Square Mile</string>
-    <string name="unit_area_square_yard">Square Yard</string>
-    <string name="unit_area_square_foot">Square Foot</string>
-    <string name="unit_area_square_inch">Square Inch</string>
+    <string name="unit_area_square_kilometer">Quilômetro Quadrado</string>
+    <string name="unit_area_square_meter">Metro Quadrado</string>
+    <string name="unit_area_square_centimeter">Centímetro Quadrado</string>
+    <string name="unit_area_square_millimeter">Milímetro Quadrado</string>
+    <string name="unit_area_square_mile">Milha Quadrada</string>
+    <string name="unit_area_square_yard">Jarda Quadrada</string>
+    <string name="unit_area_square_foot">Pé Quadrado</string>
+    <string name="unit_area_square_inch">Polegada Quadrada</string>
     <string name="unit_area_acre">Acre</string>
     <string name="unit_area_hectare">Hectare</string>
     <string name="unit_volume">Volume</string>
-    <string name="unit_volume_cubic_meter">Cubic Meter</string>
-    <string name="unit_volume_cubic_decimeter">Cubic Decimeter</string>
-    <string name="unit_volume_cubic_centimeter">Cubic Centimeter</string>
-    <string name="unit_volume_cubic_millimeter">Cubic Millimeter</string>
+    <string name="unit_volume_cubic_meter">Metro Cúbico</string>
+    <string name="unit_volume_cubic_decimeter">Decímetro Cúbico</string>
+    <string name="unit_volume_cubic_centimeter">Centímetro Cúbico</string>
+    <string name="unit_volume_cubic_millimeter">Milímetro Cúbico</string>
     <string name="unit_volume_liter">Liter</string>
-    <string name="unit_volume_centiliter">Centiliter</string>
-    <string name="unit_volume_deciliter">Deciliter</string>
-    <string name="unit_volume_milliliter">Milliliter</string>
+    <string name="unit_volume_centiliter">Centilitro</string>
+    <string name="unit_volume_deciliter">Decilitro</string>
+    <string name="unit_volume_milliliter">Mililitro</string>
     <string name="unit_volume_acre_foot">Acre Foot</string>
-    <string name="unit_volume_cubic_foot">Cubic Foot</string>
-    <string name="unit_volume_cubic_inch">Cubic Inch</string>
-    <string name="unit_volume_barrel_us">Barrel (US)</string>
-    <string name="unit_volume_gallon_us">Gallon (US)</string>
+    <string name="unit_volume_cubic_foot">Pé Cúbico</string>
+    <string name="unit_volume_cubic_inch">Polegada Cúbica</string>
+    <string name="unit_volume_barrel_us">Barril (EUA)</string>
+    <string name="unit_volume_gallon_us">Galão (EUA)</string>
     <string name="unit_volume_quart_us">Quart (US)</string>
     <string name="unit_volume_pint_us">Pint (US)</string>
     <string name="unit_volume_gill_us">Gill (US)</string>
     <string name="unit_volume_fluid_ounce_us">Fluid Ounce (US)</string>
-    <string name="unit_volume_barrel_imperial">Barrel (Imperial)</string>
-    <string name="unit_volume_gallon_imperial">Gallon (Imperial)</string>
+    <string name="unit_volume_barrel_imperial">Barril (Imperial)</string>
+    <string name="unit_volume_gallon_imperial">Galão (Imperial)</string>
     <string name="unit_volume_quart_imperial">Quart (Imperial)</string>
     <string name="unit_volume_pint_imperial">Pint (Imperial)</string>
     <string name="unit_volume_gill_imperial">Gill (Imperial)</string>
-    <string name="unit_volume_fluid_ounce_imperial">Fluid Ounce (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_volume_fluid_ounce_imperial">Onça Fluida (Imperial)</string>
+    <string name="unit_mass">Massa</string>
+    <string name="unit_mass_gram">Grama</string>
+    <string name="unit_mass_kilogram">Quilograma</string>
+    <string name="unit_mass_milligram">Miligrama</string>
+    <string name="unit_mass_microgram">Micrograma</string>
+    <string name="unit_mass_tonne">Tonelada</string>
     <string name="unit_mass_pound">Pound</string>
-    <string name="unit_mass_ounce">Ounce</string>
+    <string name="unit_mass_ounce">Onça</string>
     <string name="unit_mass_grain">Grain</string>
     <string name="unit_mass_dram">Dram</string>
     <string name="unit_mass_stone">Stone</string>
@@ -83,19 +83,19 @@
     <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="unit_temperature">Temperature</string>
+    <string name="unit_temperature">Temperatura</string>
     <string name="unit_temperature_celsius">Celsius</string>
     <string name="unit_temperature_fahrenheit">Fahrenheit</string>
     <string name="unit_temperature_rankine">Rankine</string>
     <string name="unit_temperature_kelvin">Kelvin</string>
-    <string name="unit_time">Time</string>
-    <string name="unit_time_hour">Hour</string>
+    <string name="unit_time">Tempo</string>
+    <string name="unit_time_hour">Hora</string>
     <string name="unit_time_minute">Minute</string>
-    <string name="unit_time_second">Second</string>
-    <string name="unit_time_millisecond">Microsecond</string>
+    <string name="unit_time_second">Segundo</string>
+    <string name="unit_time_millisecond">Microssegundo</string>
     <string name="unit_time_day">Day</string>
-    <string name="unit_time_week">Week</string>
-    <string name="unit_time_year">Year</string>
+    <string name="unit_time_week">Semana</string>
+    <string name="unit_time_year">Ano</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 0748a611..8ad80d9d 100644
--- a/app/src/main/res/values-pt/strings.xml
+++ b/app/src/main/res/values-pt/strings.xml
@@ -3,8 +3,8 @@
     <string name="app_name">Simple Calculator</string>
     <string name="app_launcher_name">Calculadora</string>
     <string name="scientific_calculator">Calculadora científica</string>
-    <string name="unit_converter">Unit converter</string>
-    <string name="swap_units">Swap units</string>
+    <string name="unit_converter">Conversor de unidades</string>
+    <string name="swap_units">Trocar unidades</string>
     <!-- Calculator field -->
     <string name="formula_divide_by_zero_error">Erro: divisão por zero</string>
     <!-- History -->
@@ -16,20 +16,20 @@
     <string name="vibrate_on_button_press">Vibrar ao tocar nos botões</string>
     <string name="use_comma_as_decimal_mark">Usar vírgula como separador decimal</string>
     <!-- Unit converter -->
-    <string name="unit_length">Length</string>
-    <string name="unit_length_kilometer">Kilometer</string>
-    <string name="unit_length_meter">Meter</string>
-    <string name="unit_length_centimeter">Centimeter</string>
-    <string name="unit_length_millimeter">Millimeter</string>
+    <string name="unit_length">Comprimento</string>
+    <string name="unit_length_kilometer">Quilómetros</string>
+    <string name="unit_length_meter">Metros</string>
+    <string name="unit_length_centimeter">Centímetros</string>
+    <string name="unit_length_millimeter">Milímetros</string>
     <string name="unit_length_micrometer">Micrometer</string>
     <string name="unit_length_nanometer">Nanometer</string>
     <string name="unit_length_angstrom">Angstrom</string>
     <string name="unit_length_mile">Mile</string>
     <string name="unit_length_yard">Yard</string>
-    <string name="unit_length_foot">Foot</string>
-    <string name="unit_length_inch">Inch</string>
+    <string name="unit_length_foot">Pés</string>
+    <string name="unit_length_inch">Polegadas</string>
     <string name="unit_length_fathom">Fathom</string>
-    <string name="unit_length_nautical_mile">Nautical Mile</string>
+    <string name="unit_length_nautical_mile">Milhas náuticas</string>
     <string name="unit_length_astronomical_unit">Astronomical Unit</string>
     <string name="unit_length_parsec">Parsec</string>
     <string name="unit_length_light_year">Light Year</string>
@@ -45,14 +45,14 @@
     <string name="unit_area_acre">Acre</string>
     <string name="unit_area_hectare">Hectare</string>
     <string name="unit_volume">Volume</string>
-    <string name="unit_volume_cubic_meter">Cubic Meter</string>
-    <string name="unit_volume_cubic_decimeter">Cubic Decimeter</string>
+    <string name="unit_volume_cubic_meter">Metro cúbico</string>
+    <string name="unit_volume_cubic_decimeter">Decímetro cúbico</string>
     <string name="unit_volume_cubic_centimeter">Cubic Centimeter</string>
     <string name="unit_volume_cubic_millimeter">Cubic Millimeter</string>
-    <string name="unit_volume_liter">Liter</string>
-    <string name="unit_volume_centiliter">Centiliter</string>
-    <string name="unit_volume_deciliter">Deciliter</string>
-    <string name="unit_volume_milliliter">Milliliter</string>
+    <string name="unit_volume_liter">Litro</string>
+    <string name="unit_volume_centiliter">Centilitro</string>
+    <string name="unit_volume_deciliter">Decilitro</string>
+    <string name="unit_volume_milliliter">Mililitro</string>
     <string name="unit_volume_acre_foot">Acre Foot</string>
     <string name="unit_volume_cubic_foot">Cubic Foot</string>
     <string name="unit_volume_cubic_inch">Cubic Inch</string>
@@ -103,4 +103,4 @@
         Haven't found some strings? There's more at
         https://github.com/SimpleMobileTools/Simple-Commons/tree/master/commons/src/main/res
     -->
-</resources>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-sr/strings.xml b/app/src/main/res/values-sr/strings.xml
index 84f16af4..fbd95557 100644
--- a/app/src/main/res/values-sr/strings.xml
+++ b/app/src/main/res/values-sr/strings.xml
@@ -4,16 +4,16 @@
     <string name="app_launcher_name">Калкулатор</string>
     <string name="scientific_calculator">Научни калкулатор</string>
     <string name="unit_converter">Претварач јединица</string>
-    <string name="swap_units">Замијени јединице</string>
+    <string name="swap_units">Замени јединице</string>
     <!-- Calculator field -->
-    <string name="formula_divide_by_zero_error">Грешка : дељење нулом</string>
+    <string name="formula_divide_by_zero_error">Грешка: дељење нулом</string>
     <!-- History -->
     <string name="history">Историја</string>
     <string name="history_empty">Историја је празна</string>
-    <string name="clear_history">Опозовите избор</string>
+    <string name="clear_history">Очисти</string>
     <string name="history_cleared">Историја је очишћена</string>
     <!-- Settings -->
-    <string name="vibrate_on_button_press">Вибрирајте притиснути дугметом</string>
+    <string name="vibrate_on_button_press">Вибрација при притиску на дугме</string>
     <string name="use_comma_as_decimal_mark">Коришћење зареза као децималног знака</string>
     <!-- Unit converter -->
     <string name="unit_length">Дужина</string>
@@ -27,7 +27,7 @@
     <string name="unit_length_mile">Миља</string>
     <string name="unit_length_yard">Јард</string>
     <string name="unit_length_foot">Стопа</string>
-    <string name="unit_length_inch">Палац</string>
+    <string name="unit_length_inch">Инч</string>
     <string name="unit_length_fathom">Фатом</string>
     <string name="unit_length_nautical_mile">Наутичка миља</string>
     <string name="unit_length_astronomical_unit">Астрономска јединица</string>
@@ -38,11 +38,11 @@
     <string name="unit_area_square_meter">Квадратни метар</string>
     <string name="unit_area_square_centimeter">Квадратни центиметар</string>
     <string name="unit_area_square_millimeter">Квадратни милиметар</string>
-    <string name="unit_area_square_mile">Квадратна милја</string>
+    <string name="unit_area_square_mile">Квадратна миља</string>
     <string name="unit_area_square_yard">Квадратни јард</string>
     <string name="unit_area_square_foot">Квадратна стопа</string>
-    <string name="unit_area_square_inch">Квадратни палац</string>
-    <string name="unit_area_acre">Акер</string>
+    <string name="unit_area_square_inch">Квадратни инч</string>
+    <string name="unit_area_acre">Акр</string>
     <string name="unit_area_hectare">Хектар</string>
     <string name="unit_volume">Запремина</string>
     <string name="unit_volume_cubic_meter">Кубни метар</string>
@@ -53,9 +53,9 @@
     <string name="unit_volume_centiliter">Центилитар</string>
     <string name="unit_volume_deciliter">Децилитар</string>
     <string name="unit_volume_milliliter">Милилитар</string>
-    <string name="unit_volume_acre_foot">Акер стопа</string>
+    <string name="unit_volume_acre_foot">Акр стопа</string>
     <string name="unit_volume_cubic_foot">Кубна стопа</string>
-    <string name="unit_volume_cubic_inch">Кубни палац</string>
+    <string name="unit_volume_cubic_inch">Кубни инч</string>
     <string name="unit_volume_barrel_us">Барел (САД)</string>
     <string name="unit_volume_gallon_us">Галон (САД)</string>
     <string name="unit_volume_quart_us">Четвртина (САД)</string>
@@ -64,10 +64,10 @@
     <string name="unit_volume_fluid_ounce_us">Текућа унца (САД)</string>
     <string name="unit_volume_barrel_imperial">Барел (Империјални)</string>
     <string name="unit_volume_gallon_imperial">Галон (Империјални)</string>
-    <string name="unit_volume_quart_imperial">Четвртина (Империјални)</string>
-    <string name="unit_volume_pint_imperial">Пинта (Империјални)</string>
+    <string name="unit_volume_quart_imperial">Четвртина (Империјална)</string>
+    <string name="unit_volume_pint_imperial">Пинта (Империјална)</string>
     <string name="unit_volume_gill_imperial">Гил (Империјални)</string>
-    <string name="unit_volume_fluid_ounce_imperial">Текућа унца (Империјални)</string>
+    <string name="unit_volume_fluid_ounce_imperial">Текућа унца (Империјална)</string>
     <string name="unit_mass">Маса</string>
     <string name="unit_mass_gram">Грам</string>
     <string name="unit_mass_kilogram">Килограм</string>
@@ -76,27 +76,27 @@
     <string name="unit_mass_tonne">Тона</string>
     <string name="unit_mass_pound">Фунта</string>
     <string name="unit_mass_ounce">Унца</string>
-    <string name="unit_mass_grain">Граин</string>
+    <string name="unit_mass_grain">Зрно</string>
     <string name="unit_mass_dram">Драм</string>
-    <string name="unit_mass_stone">Стоне</string>
-    <string name="unit_mass_long_ton">Лонг тона</string>
-    <string name="unit_mass_short_ton">Шорт тона</string>
+    <string name="unit_mass_stone">Камен</string>
+    <string name="unit_mass_long_ton">Дуга тона</string>
+    <string name="unit_mass_short_ton">Кратка тона</string>
     <string name="unit_mass_carat">Карат</string>
-    <string name="unit_mass_carat_metric">Карат (Метричнки)</string>
-    <string name="unit_temperature">Температуре</string>
+    <string name="unit_mass_carat_metric">Карат (Метрички)</string>
+    <string name="unit_temperature">Температура</string>
     <string name="unit_temperature_celsius">Целзијус</string>
     <string name="unit_temperature_fahrenheit">Фаренхајт</string>
     <string name="unit_temperature_rankine">Ранкин</string>
     <string name="unit_temperature_kelvin">Келвин</string>
     <string name="unit_time">Време</string>
     <string name="unit_time_hour">Сат</string>
-    <string name="unit_time_minute">Минута</string>
+    <string name="unit_time_minute">Минут</string>
     <string name="unit_time_second">Секунда</string>
     <string name="unit_time_millisecond">Милисекунда</string>
     <string name="unit_time_day">Дан</string>
-    <string name="unit_time_week">Седмица</string>
+    <string name="unit_time_week">Недеља</string>
     <string name="unit_time_year">Година</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>
-</resources>
+    <string name="faq_1_title">Како функционише дугме C (Очисти)\?</string>
+    <string name="faq_1_text">Додиром на њега уклања се један по један знак. Дуг притисак ће ресетовати сва поља одједном.</string>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-sv/strings.xml b/app/src/main/res/values-sv/strings.xml
index 5e6af507..e10b1808 100644
--- a/app/src/main/res/values-sv/strings.xml
+++ b/app/src/main/res/values-sv/strings.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">Simpel kalkylator</string>
+    <string name="app_name">Simple Calculator</string>
     <string name="app_launcher_name">Kalkylator</string>
     <string name="scientific_calculator">Avancerad kalkylator</string>
     <string name="unit_converter">Enhetskonverterare</string>
@@ -9,7 +9,7 @@
     <string name="formula_divide_by_zero_error">Fel: delning med noll</string>
     <!-- History -->
     <string name="history">Historik</string>
-    <string name="history_empty">Historik är tom</string>
+    <string name="history_empty">Historiken är tom</string>
     <string name="clear_history">Rensa</string>
     <string name="history_cleared">Historiken har rensats</string>
     <!-- Settings -->
@@ -28,8 +28,8 @@
     <string name="unit_length_yard">Yard</string>
     <string name="unit_length_foot">Fot</string>
     <string name="unit_length_inch">Tum</string>
-    <string name="unit_length_fathom">Fathom</string>
-    <string name="unit_length_nautical_mile">Nautisk Mil</string>
+    <string name="unit_length_fathom">Famn</string>
+    <string name="unit_length_nautical_mile">Sjömil</string>
     <string name="unit_length_astronomical_unit">Astronomisk Enhet</string>
     <string name="unit_length_parsec">Parsec</string>
     <string name="unit_length_light_year">Ljusår</string>
@@ -56,7 +56,7 @@
     <string name="unit_volume_acre_foot">Acre Foot</string>
     <string name="unit_volume_cubic_foot">Kubikfot</string>
     <string name="unit_volume_cubic_inch">Kubiktum</string>
-    <string name="unit_volume_barrel_us">Barrel (US)</string>
+    <string name="unit_volume_barrel_us">Fat (US)</string>
     <string name="unit_volume_gallon_us">Gallon (US)</string>
     <string name="unit_volume_quart_us">Quart (US)</string>
     <string name="unit_volume_pint_us">Pint (US)</string>