Joules to British thermal units
Convert J to BTU. 1 joule = 0.00094781712 BTU, and 1 british thermal unit = 1,055.05585262 J.
Formula Multiply the value in joules by 0.00094781712. Joules to British thermal units table
1 joule in every unit
| Kilojoules | 0.001 | kJ |
|---|---|---|
| Megajoules | 0.000001 | MJ |
| Calories | 0.239005736138 | cal |
| Kilocalories | 0.000239005736 | kcal |
| Watt-hours | 0.000277777778 | Wh |
| Kilowatt-hours | 0.000000277778 | kWh |
| British thermal units | 0.00094781712 | BTU |
| Foot-pounds | 0.737562149277 | ft·lbf |
| Electronvolts | 6.241509e+18 | eV |
Food labels write kilocalories (kcal) as "Calories". Calories here are thermochemical: 1 cal = 4.184 J.
How to convert joules to british thermal units
Multiply the value in joules by 0.00094781712.
For example, 10 J = 0.009478171203 BTU, and 10 BTU = 10,550.5585262 J.
Frequently asked questions
How many british thermal units are in one joule?
1 joule = 0.00094781712 BTU.
What is 10 J in BTU?
10 J = 0.009478171203 BTU.
How do I convert BTU back to J?
Multiply the value in british thermal units by 1,055.05585262. 1 british thermal unit = 1,055.05585262 J.
Joules to British thermal units table
| Joules (J) | British thermal units (BTU) |
|---|---|
| 0.1 | 0.000094781712 |
| 0.5 | 0.00047390856 |
| 1 | 0.00094781712 |
| 2 | 0.001895634241 |
| 3 | 0.002843451361 |
| 4 | 0.003791268481 |
| 5 | 0.004739085602 |
| 6 | 0.005686902722 |
| 7 | 0.006634719842 |
| 8 | 0.007582536963 |
| 9 | 0.008530354083 |
| 10 | 0.009478171203 |
| 15 | 0.014217256805 |
| 20 | 0.018956342406 |
| 25 | 0.023695428008 |
| 30 | 0.028434513609 |
| 50 | 0.047390856016 |
| 75 | 0.071086284024 |
| 100 | 0.094781712031 |
| 250 | 0.236954280078 |
| 500 | 0.473908560157 |
| 1,000 | 0.947817120313 |
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