Free online energy converter. Convert between joules, kilojoules, kilocalories, BTU, watt-hours and more.
All calculations run locally. No data uploaded.
| Unit | Symbol | 1 base = |
|---|---|---|
| Joule | J | 1 J = 1 base |
| Kilojoule | kJ | 1 kJ = 1000 base |
| Megajoule | MJ | 1 MJ = 1000000 base |
| Watt-second | W·s | 1 W·s = 1 base |
| Watt-hour | W·h | 1 W·h = 3600 base |
| Kilowatt-hour | kW·h | 1 kW·h = 3600000 base |
| British thermal unit | BTU | 1 BTU = 1055.05585262 base |
| Foot-pound | ft·lb | 1 ft·lb = 1.355817948 base |
| Calorie | cal | 1 cal = 4.184 base |
| Kilocalorie | kcal | 1 kcal = 4184 base |
| Megacalorie | Mcal | 1 Mcal = 4184000 base |
| Calorie (nutritional) | Cal | 1 Cal = 4184 base |
Energy is the ability to do work, used in food, electricity and fuel.
Susuan365 energy converter supports metric and imperial units.