Work with temperature scales and physical quantities using stated conventions.
1 kWh = 3,600,000 J; 1 food Calorie = 1 kcal = 4,184 J.
Open calculatorConvert force quantities while keeping force distinct from mass.
Open calculatorConvert cycles-per-second measurements between common frequency scales.
Open calculator1 kW = 1,000 W; 1 mechanical hp is approximately 745.699872 W.
Open calculator1 standard atmosphere = 101,325 Pa = 760 Torr.
Open calculator0 °C = 32 °F; 100 °C = 373.15 K; −40 °C = −40 °F.
Open calculatorTemperature conversion includes offsets and an absolute-zero limit. Energy describes a quantity while power describes a rate. Calorie, BTU and horsepower conventions are labeled so that different definitions are not silently mixed.