diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index c0a73890..b43a113a 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -3,8 +3,8 @@
     <string name="app_name">简单计算器</string>
     <string name="app_launcher_name">计算器</string>
     <string name="scientific_calculator">科学计算器</string>
-    <string name="unit_converter">Unit converter</string>
-    <string name="swap_units">Swap units</string>
+    <string name="unit_converter">单位转换器</string>
+    <string name="swap_units">交换单位</string>
     <!-- Calculator field -->
     <string name="formula_divide_by_zero_error">错误: 被零除</string>
     <!-- History -->
@@ -16,86 +16,86 @@
     <string name="vibrate_on_button_press">按下按键后震动</string>
     <string name="use_comma_as_decimal_mark">用逗号作小数点</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_micrometer">Micrometer</string>
-    <string name="unit_length_nanometer">Nanometer</string>
-    <string name="unit_length_angstrom">Angstrom</string>
+    <string name="unit_length">长度</string>
+    <string name="unit_length_kilometer">千米</string>
+    <string name="unit_length_meter">米</string>
+    <string name="unit_length_centimeter">厘米</string>
+    <string name="unit_length_millimeter">毫米</string>
+    <string name="unit_length_micrometer">微米</string>
+    <string name="unit_length_nanometer">纳米</string>
+    <string name="unit_length_angstrom">埃</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_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_parsec">Parsec</string>
-    <string name="unit_length_light_year">Light Year</string>
+    <string name="unit_length_foot">英尺</string>
+    <string name="unit_length_inch">英寸</string>
+    <string name="unit_length_fathom">英寻</string>
+    <string name="unit_length_nautical_mile">海里</string>
+    <string name="unit_length_astronomical_unit">天文单位</string>
+    <string name="unit_length_parsec">秒差距</string>
+    <string name="unit_length_light_year">光年</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">平方千米</string>
+    <string name="unit_area_square_meter">平方米</string>
+    <string name="unit_area_square_centimeter">平方厘米</string>
+    <string name="unit_area_square_millimeter">平方毫米</string>
+    <string name="unit_area_square_mile">平方英里</string>
+    <string name="unit_area_square_yard">平方码</string>
+    <string name="unit_area_square_foot">平方英寸</string>
+    <string name="unit_area_square_inch">平方英尺</string>
     <string name="unit_area_acre">Acre</string>
-    <string name="unit_area_hectare">Hectare</string>
+    <string name="unit_area_hectare">公顷</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_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_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_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_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_cubic_meter">立方米</string>
+    <string name="unit_volume_cubic_decimeter">立方分米</string>
+    <string name="unit_volume_cubic_centimeter">立方厘米</string>
+    <string name="unit_volume_cubic_millimeter">立方毫米</string>
+    <string name="unit_volume_liter">升</string>
+    <string name="unit_volume_centiliter">厘升</string>
+    <string name="unit_volume_deciliter">分升</string>
+    <string name="unit_volume_milliliter">毫升</string>
+    <string name="unit_volume_acre_foot">英亩-英尺</string>
+    <string name="unit_volume_cubic_foot">立方英尺</string>
+    <string name="unit_volume_cubic_inch">立方英寸</string>
+    <string name="unit_volume_barrel_us">桶 （美制）</string>
+    <string name="unit_volume_gallon_us">加仑（美制）</string>
+    <string name="unit_volume_quart_us">夸脱（美制）</string>
+    <string name="unit_volume_pint_us">品脱（美制）</string>
+    <string name="unit_volume_gill_us">及耳（美制）</string>
+    <string name="unit_volume_fluid_ounce_us">液量盎司（美制）</string>
+    <string name="unit_volume_barrel_imperial">桶 （英制）</string>
+    <string name="unit_volume_gallon_imperial">加仑（英制）</string>
+    <string name="unit_volume_quart_imperial">夸脱（英制）</string>
+    <string name="unit_volume_pint_imperial">品脱（英制）</string>
+    <string name="unit_volume_gill_imperial">及耳（英制）</string>
+    <string name="unit_volume_fluid_ounce_imperial">液量盎司（英制）</string>
+    <string name="unit_mass">摩尔质量</string>
+    <string name="unit_mass_gram">克</string>
+    <string name="unit_mass_kilogram">千克</string>
+    <string name="unit_mass_milligram">毫克</string>
+    <string name="unit_mass_microgram">微克</string>
+    <string name="unit_mass_tonne">公吨</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_ounce">盎司</string>
+    <string name="unit_mass_grain">格令</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="unit_temperature">Temperature</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_mass_stone">英石</string>
+    <string name="unit_mass_long_ton">长吨</string>
+    <string name="unit_mass_short_ton">短吨</string>
+    <string name="unit_mass_carat">克拉</string>
+    <string name="unit_mass_carat_metric">克拉（公制）</string>
+    <string name="unit_temperature">温度</string>
+    <string name="unit_temperature_celsius">摄氏度</string>
+    <string name="unit_temperature_fahrenheit">华氏度</string>
+    <string name="unit_temperature_rankine">兰金刻度</string>
+    <string name="unit_temperature_kelvin">开尔文</string>
+    <string name="unit_time">时间</string>
+    <string name="unit_time_hour">小时</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">秒</string>
+    <string name="unit_time_millisecond">微秒</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">周</string>
+    <string name="unit_time_year">年</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>
@@ -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