BTU to Joules
Convert British thermal units to joules precisely — 1 BTU equals 1055.06 joules for energy calculations
1 BTU × 1055.06 = 1055.06 J
Result
1,055.06 J
J = BTU × 1055.06
About this calculator
The British thermal unit (BTU) is a traditional unit of heat energy used in HVAC, heating systems, and air conditioning. One BTU equals approximately 1055.06 joules, the energy needed to raise one pound of water by 1°F. Use this converter to translate BTU ratings into joules for scientific or engineering calculations.
Common examples
- 1 BTU = 1055.06 J
- 5 BTU = 5275.3 J
- 10 BTU = 10550.6 J
- 100 BTU = 105506 J
- 1000 BTU = 1055060 J