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Convert British Thermal Units to Joules

1 british thermal unit = 1,055.0559 joules. Multiply the number of british thermal units by 1055.05585262.

Result
1,055.055853

1 BTU = 1,055.055853 J

Multiply the number of british thermal units by 1055.05585262.

Results are rounded for display. Double-check values for critical work.

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British Thermal Units to Joules table

British Thermal UnitsJoules
1 BTU1,055.0559 J
2 BTU2,110.1117 J
3 BTU3,165.1676 J
4 BTU4,220.2234 J
5 BTU5,275.2793 J
10 BTU10,550.559 J
20 BTU21,101.117 J
25 BTU26,376.396 J
50 BTU52,752.793 J
100 BTU105,505.59 J
500 BTU527,527.93 J
1000 BTU1,055,055.9 J

About these units

The british thermal unit (BTU) is an imperial unit of energy & work, equal to 1,055.0559 joules.

The joule (J) is an SI base or derived unit of energy & work.

Going the other way, 1 joule = 0.00094781712 british thermal units. Diet calories, electricity bills in kilowatt-hours, boiler ratings in BTU and particle physics in electronvolts are all the same physical quantity. Convert energy across every scale from the atomic to the industrial.

Frequently asked

How many joules are in a british thermal unit?
1 british thermal unit = 1,055.0559 joules.
How do you convert british thermal units to joules?
Multiply the number of british thermal units by 1055.05585262.
What is 10 BTU in J?
10 BTU = 10,550.559 J.

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