How to convert joules to BTU
Multiply the value in joules by 0.0009478171203 (or divide by 1,055.055853) to get BTU.
Example
To convert 10 joules to BTU: 10 × 0.0009478171203 = 0.009478171203 BTU.
J to BTU conversion chart
| Joules (J) | BTU (BTU) |
|---|---|
| 0.1 J | 0.00009478171203 BTU |
| 0.25 J | 0.0002369542801 BTU |
| 0.5 J | 0.0004739085602 BTU |
| 1 J | 0.0009478171203 BTU |
| 2 J | 0.001895634241 BTU |
| 3 J | 0.002843451361 BTU |
| 4 J | 0.003791268481 BTU |
| 5 J | 0.004739085602 BTU |
| 6 J | 0.005686902722 BTU |
| 7 J | 0.006634719842 BTU |
| 8 J | 0.007582536963 BTU |
| 9 J | 0.008530354083 BTU |
| 10 J | 0.009478171203 BTU |
| 12 J | 0.01137380544 BTU |
| 15 J | 0.0142172568 BTU |
| 20 J | 0.01895634241 BTU |
| 25 J | 0.02369542801 BTU |
| 30 J | 0.02843451361 BTU |
| 40 J | 0.03791268481 BTU |
| 50 J | 0.04739085602 BTU |
| 75 J | 0.07108628402 BTU |
| 100 J | 0.09478171203 BTU |
| 250 J | 0.2369542801 BTU |
| 500 J | 0.4739085602 BTU |
| 1,000 J | 0.9478171203 BTU |
About the units
Joule (J)
The joule is the SI unit of energy: the work done by a force of one newton over one meter.
British thermal unit (BTU)
A BTU (IT) is about 1,055 joules, used for heating and air-conditioning capacity.
Related conversions
BTU to joules · Joules to kilojoules · Joules to calories · Joules to kilocalories · Joules to kilowatt-hours · Kilojoules to BTU · Calories to BTU · Kilocalories to BTU · Kilowatt-hours to BTU · All energy units