diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 7b572de6..70c957b4 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -94,4 +94,39 @@
     <string name="unit_temperature_fahrenheit">Fahrenheit</string>
     <string name="unit_volume_legal_cup_us">Szklanka urzędowa (US)</string>
     <string name="unit_volume_customary_cup_us">Szklanka zwyczajowa (US)</string>
+    <string name="unit_speed">Prędkość</string>
+    <string name="unit_speed_meter_per_second">Metr na sekundę</string>
+    <string name="unit_speed_kilometer_per_second">Kilometr na sekundę</string>
+    <string name="unit_speed_kilometer_per_hour">Kilometr na godzinę</string>
+    <string name="unit_speed_mile_per_hour">Mila na godzinę</string>
+    <string name="unit_speed_knot">Węzeł</string>
+    <string name="unit_speed_foot_per_second">Stopa na sekundę</string>
+    <string name="unit_speed_mach">Mach</string>
+    <string name="unit_speed_speed_of_light">Prędkość światła</string>
+    <string name="unit_pressure">Ciśnienie</string>
+    <string name="unit_pressure_pascal">Paskal</string>
+    <string name="unit_pressure_kilopascal">Kilopaskal</string>
+    <string name="unit_pressure_megapascal">Megapaskal</string>
+    <string name="unit_pressure_bar">Bar</string>
+    <string name="unit_pressure_millibar">Milibar</string>
+    <string name="unit_pressure_atmosphere">Atmosfera</string>
+    <string name="unit_pressure_psi">Funt na cal kwadratowy</string>
+    <string name="unit_pressure_torr">Tor</string>
+    <string name="unit_pressure_mmhg">Milimetr słupa rtęci</string>
+    <string name="unit_pressure_inhg">Cal słupa rtęci</string>
+    <string name="unit_energy">Energia</string>
+    <string name="unit_energy_joule">Dżul</string>
+    <string name="unit_energy_kilojoule">Kilodżul</string>
+    <string name="unit_energy_megajoule">Megadżul</string>
+    <string name="unit_energy_gigajoule">Gigadżul</string>
+    <string name="unit_energy_calorie">Kaloria</string>
+    <string name="unit_energy_kilocalorie">Kilokaloria</string>
+    <string name="unit_energy_watt_hour">Watogodzina</string>
+    <string name="unit_energy_kilowatt_hour">Kilowatogodzina</string>
+    <string name="unit_energy_megawatt_hour">Megawatogodzina</string>
+    <string name="unit_energy_electronvolt">Elektronowolt</string>
+    <string name="unit_energy_btu">Brytyjska jednostka ciepła</string>
+    <string name="unit_energy_therm">Therm</string>
+    <string name="unit_energy_foot_pound">Stopofunt</string>
+    <string name="unit_energy_erg">Erg</string>
 </resources>