Convert British Thermal Units to Joules
1 British thermal unit = 1,055.056 joules. Type any value below to convert in either direction — the calculation happens in your browser.
British Thermal Units to Joules formula
Multiply the number of British thermal units by 1055.056 to get joules.
joules = British thermal units × 1055.056To go the other way: divide the number of joules by 1055.056, or multiply by 0.0009478171.
British thermal units = joules ÷ 1055.056British Thermal Units to Joules conversion table
| British Thermal Units | Joules |
|---|---|
| 1 BTU | 1,055.056 J |
| 2 BTU | 2,110.112 J |
| 3 BTU | 3,165.168 J |
| 4 BTU | 4,220.223 J |
| 5 BTU | 5,275.279 J |
| 6 BTU | 6,330.335 J |
| 7 BTU | 7,385.391 J |
| 8 BTU | 8,440.447 J |
| 9 BTU | 9,495.503 J |
| 10 BTU | 10,550.56 J |
| 15 BTU | 15,825.84 J |
| 20 BTU | 21,101.12 J |
| 25 BTU | 26,376.4 J |
| 30 BTU | 31,651.68 J |
| 40 BTU | 42,202.23 J |
| 50 BTU | 52,752.79 J |
| 75 BTU | 79,129.19 J |
| 100 BTU | 105,505.6 J |
| 250 BTU | 263,764 J |
| 500 BTU | 527,527.9 J |
| 1,000 BTU | 1,055,056 J |
Joules to British Thermal Units conversion table
| Joules | British Thermal Units |
|---|---|
| 1 J | 0.0009478171 BTU |
| 2 J | 0.001895634 BTU |
| 3 J | 0.002843451 BTU |
| 4 J | 0.003791268 BTU |
| 5 J | 0.004739086 BTU |
| 6 J | 0.005686903 BTU |
| 7 J | 0.00663472 BTU |
| 8 J | 0.007582537 BTU |
| 9 J | 0.008530354 BTU |
| 10 J | 0.009478171 BTU |
About the British thermal unit
A BTU is the energy needed to raise one pound of water by one degree Fahrenheit, about 1,055 joules.
About the joule
The joule is the SI unit of energy — the work done by one newton acting over one metre.
Frequently asked questions
How many joules are in a British thermal unit?
There are 1,055.056 joules in one British thermal unit.
How many British thermal units are in a joule?
There are 0.0009478171 British thermal units in one joule.
Is this conversion exact?
The ratio between the British thermal unit and the joule is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 British thermal units in joules?
10 British thermal units equals 10,550.56 joules.
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