Energy Conversion
This tool provides equivalent-value calculations for energy between a variety of measurement units, including British Thermal Units (BTU), Joules (J), Kilowatt-hours (kWh), Therms (THM) and Calories (both nutritional and Thermochemical).
British Thermal Units
BTU
Joules
J
Kilowatt-hour
kWh
Therm
THM
Calorie (Nutritional)
Cal
Calorie (Thermochemical)
cal
How many joules are in one BTU?
1 BTU = 1055.05585262 J
How many BTU’s are in one joule?
1 Joule =0.00094781712 BTU