ACCURATE CONVERSION
Joules to British thermal units Converter
Convert joules (J) to British thermal units (BTU) with a standards-based formula.
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How to convert joules to British thermal units
Enter a value in the converter above. The result updates immediately using the relationship below.
FORMULA1 joule = 0.00094782 British thermal units
Joules to British thermal units conversion table
| Joules (J) | British thermal units (BTU) |
|---|---|
| 1 | 0.00094782 |
| 5 | 0.00473909 |
| 10 | 0.00947817 |
| 20 | 0.01895634 |
| 50 | 0.04739086 |
| 100 | 0.09478171 |
Common values
For a quick estimate, multiply by the factor above. Use more decimal places when technical work requires additional precision.
Frequently asked questions
How many British thermal units are in one joule?
One joule equals 0.00094782 British thermal units.
How do you convert joules to British thermal units?
Multiply the joule value by 0.00094782.
Can I convert British thermal units back to joules?
Yes. One British thermal unit equals 1,055.05585262 joules; you can also use the swap button.