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

All Converters


Other energy units