British Thermal Units (BTU) Conversions
British Thermal Units (BTU) is a unit of energy. Pick a converter below to convert British Thermal Units to any other energy unit — each one shows the formula, a worked example and a reference table.
Quick Reference
| 1 BTU = 1055.055853 J | Joules |
| 1 BTU = 1.055056 kJ | Kilojoules |
| 1 BTU = 0.293071 Wh | Watt Hours |
| 1 BTU = 0.000293071 kWh | Kilowatt Hours |
| 1 BTU = 2.9307e-07 MWh | Megawatt Hours |
| 1 BTU = 2.9307e-10 GWh | Gigawatt Hours |
| 1 BTU = 252.164401 cal | Calories |
| 1 BTU = 0.252164 kcal | Kilocalories |