Joules to British Thermal Units
Convert joules (J) to British thermal units (BTU). Type in either box; the other updates as you go.
How to convert joules to British thermal units
To convert joules to British thermal units, multiply the number of joules by 0.0009478171203.
Example
Convert 50 joules to British thermal units:
Joule to British thermal unit conversion chart
| Joules (J) | British Thermal Units (BTU) |
|---|---|
| 10 J | 0.009478171 BTU |
| 20 J | 0.01895634 BTU |
| 30 J | 0.02843451 BTU |
| 40 J | 0.03791268 BTU |
| 50 J | 0.04739086 BTU |
| 60 J | 0.05686903 BTU |
| 70 J | 0.0663472 BTU |
| 80 J | 0.07582537 BTU |
| 90 J | 0.08530354 BTU |
| 100 J | 0.09478171 BTU |
| 120 J | 0.1137381 BTU |
| 150 J | 0.1421726 BTU |
| 200 J | 0.1895634 BTU |
| 250 J | 0.2369543 BTU |
| 300 J | 0.2843451 BTU |
| 400 J | 0.3791268 BTU |
| 500 J | 0.4739086 BTU |
| 600 J | 0.5686903 BTU |
| 700 J | 0.663472 BTU |
| 750 J | 0.7108628 BTU |
| 800 J | 0.7582537 BTU |
| 900 J | 0.8530354 BTU |
| 1,000 J | 0.9478171 BTU |
| 1,500 J | 1.421726 BTU |
| 2,000 J | 1.895634 BTU |
| 2,500 J | 2.369543 BTU |
| 5,000 J | 4.739086 BTU |
| 10,000 J | 9.478171 BTU |
Going the other way? See the British thermal units to joules chart.
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 British thermal unit (International Table) is about 1,055 joules, the heat that warms one pound of water by one degree Fahrenheit.
Frequently asked questions
How many British thermal units are in a joule?
There are 0.0009478171203 British thermal units in a joule.
How many joules are in a British thermal unit?
There are 1,055.055853 joules in a British thermal unit.
How do you convert joules to British thermal units?
To convert joules to British thermal units, multiply the number of joules by 0.0009478171203.
What is 50 joules in British thermal units?
50 joules equals 0.0473909 British thermal units.
Convert between joules, calories, kilocalories, kilowatt-hours and BTU. Open the energy converter to see a value in every unit at once.