Want to convert between joule, calorie, and BTU? With this Energy conversion calculator, you can easily convert the most common units of energy.
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Unit of Energy
The unit of energy is joule (j) and the CGS unit is erg but also Kilojoules(Kj), Megajoules(Mj), Calorie(Cal), Kilocalorie(kcal), Megacalorie(Mcal), Watt-hours(Wh), Electron volt(ev), British Thermal Unit(BTU).
List of Energy Units with symbol
| Units | Symbol |
|---|
| Joules | J |
| Kilojoules | KJ |
| Megajoules | MJ |
| calorie | Cal |
| Kilocalorie | Kcal |
| Megacalorie | Mcal |
| Watt hours | Wh |
| Kilowatt-hours | kWh |
| Megawatt hours | MWh |
| Electron volt | ev |
| Erg | erg |
| British Thermal Units | BTU |
Energy Conversion Table
| Joule | Kilojoule | Calorie | British Thermal Unit |
|---|
| 1 J | 0.001 Kj | 0.23901 Cal | 0.00095 BTU |
| 2 J | 0.002 Kj | 0.47801 Cal | 0.00190 BTU |
| 3 J | 0.003 Kj | 0.71702 Cal | 0.00284 BTU |
| 4 J | 0.004 Kj | 0.65602 Cal | 0.00379 BTU |
| 5 J | 0.005 Kj | 1.19503 Cal | 0.00474 BTU |
| 6 J | 0.006 Kj | 1.43404 Cal | 0.00569 BTU |
| 7 J | 0.007 Kj | 1.67304 Cal | 0.00664 BTU |
| 8 J | 0.008 Kj | 1.91205 Cal | 0.00758 BTU |
| 9 J | 0.009 Kj | 2.15105 Cal | 0.00853 BTU |
| 10 J | 0.010 Kj | 2.39006 Cal | 0.00948 BTU |