Calories (cal) Conversions
Calories (cal) is a unit of energy. Pick a converter below to convert Calories to any other energy unit — each one shows the formula, a worked example and a reference table.
Quick Reference
| 1 cal = 4.184 J | Joules |
| 1 cal = 0.004184 kJ | Kilojoules |
| 1 cal = 0.00116222 Wh | Watt Hours |
| 1 cal = 1.1622e-06 kWh | Kilowatt Hours |
| 1 cal = 1.1622e-09 MWh | Megawatt Hours |
| 1 cal = 1.1622e-12 GWh | Gigawatt Hours |
| 1 cal = 0.001 kcal | Kilocalories |
| 1 cal = 0.00396567 BTU | British Thermal Units |