BTU (IT) to Joule
1 BTU = 1,055.0559 J
Precision & format
1 BTU equals
1,055.055853J
All 21 units
- JouleJ1,055.055853
- KilojoulekJ1.055055853
- MegajouleMJ0.001055055853
- GigajouleGJ0.000001055055853
- MillijoulemJ1,055,055.853
- Calorie (thermochemical)calexactly 4.184 J252.1644007
- Kilocalorie (thermochemical)kcalfood Calorie0.2521644007
- Calorie (IT)cal (IT)International Table251.9957611
- Kilocalorie (IT)kcal (IT)0.2519957611
- Watt-hourWh0.2930710702
- Kilowatt-hourkWh0.0002930710702
- Megawatt-hourMWh2.930710702 × 10⁻⁷
- BTU (IT)BTUInternational Table1
- BTU (thermochemical)BTU (th)1.000669216
- Therm (US)thm100 000 BTU0.00001000238767
- Foot-poundft·lbf778.1692623
- Ergerg10,550,558,530
- ElectronvolteV6.585140678 × 10²¹
- KiloelectronvoltkeV6.585140678 × 10¹⁸
- MegaelectronvoltMeV6.585140678 × 10¹⁵
- Tonne of oil equivalenttoe2.519957611 × 10⁻⁸
BTU (IT) to Joule table
| BTU (IT) (BTU) | Joule (J) |
|---|---|
| 1 | 1,055.0559 |
| 2 | 2,110.1117 |
| 5 | 5,275.2793 |
| 10 | 10,550.559 |
| 20 | 21,101.117 |
| 50 | 52,752.793 |
| 100 | 105,505.59 |
| 250 | 263,763.96 |
| 500 | 527,527.93 |
| 1,000 | 1,055,055.9 |
How the conversion works
Multiply the btu (it) figure by 1,055.055853 to get joule. Every factor on this site is anchored to the SI base unit for energy, so the same number is used everywhere it appears.
Going the other way, 1 J = 0.00094781712 BTU — see joule to btu (it).