Joules to BTUs (J to BTU)
Free online joule to btu converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
ENERGY CONVERTER — INSTANT RESULT
Formula: multiply the joule value by 0.00094781712 — i.e. BTU = J × 0.00094781712
Quick check: 1 J = 0.00094781712 BTU
Quick check: 1 J = 0.00094781712 BTU
Joules to BTUs conversion table
| Joules (J) | BTUs (BTU) |
|---|---|
| 1 J | 0.00094781712 BTU |
| 2 J | 0.0018956342 BTU |
| 3 J | 0.0028434514 BTU |
| 4 J | 0.0037912685 BTU |
| 5 J | 0.0047390856 BTU |
| 6 J | 0.0056869027 BTU |
| 7 J | 0.0066347198 BTU |
| 8 J | 0.007582537 BTU |
| 9 J | 0.0085303541 BTU |
| 10 J | 0.0094781712 BTU |
| 15 J | 0.014217257 BTU |
| 20 J | 0.018956342 BTU |
| 25 J | 0.023695428 BTU |
| 30 J | 0.028434514 BTU |
| 40 J | 0.037912685 BTU |
| 50 J | 0.047390856 BTU |
| 75 J | 0.071086284 BTU |
| 100 J | 0.094781712 BTU |
| 250 J | 0.23695428 BTU |
| 500 J | 0.47390856 BTU |
| 1,000 J | 0.94781712 BTU |
How to convert joules to btus
To convert joules to btus, multiply the amount in joules by 0.00094781712. For example, 10 J = 0.0094781712 BTU. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.
Convert between joules, calories, BTU, kilowatt-hours and foot-pounds. The joule is the SI unit of energy; the thermochemical calorie is defined as exactly 4.184 J.
Frequently asked questions
How many btus are in one joule?
One joule is exactly 0.00094781712 btus.
How do I convert J to BTU?
Multiply the J value by 0.00094781712 to get BTU. The converter at the top of this page does this automatically and works in both directions.
How much is 100 joules in btus?
100 joules equals 0.094781712 btus.