Energy Converter | Convert Power & Energy Units
Free online energy converter to convert between joules, calories, kilowatt-hours, and more
Convert Energy and Power Units
Energy Conversion Guide
Electrical Energy
Common electrical energy conversions:
- Kilowatt-hours:
1 kWh = 3,600,000 J
- Watt-hours:
1 Wh = 3,600 J
- Electron Volts:
1 MeV = 1.602×10⁻¹³ J
Heat Energy
Common heat energy conversions:
- BTU to Joules:
1 BTU = 1,055.06 J
- Calories:
1 kcal = 4,184 J
- Foot-pounds:
1 ft⋅lb = 1.35582 J