Watt-hour to Joule
1 Wh = 3,600 J
Precision & format
1 Wh equals
3,600J
All 21 units
- JouleJ3,600
- KilojoulekJ3.6
- MegajouleMJ0.0036
- GigajouleGJ0.0000036
- MillijoulemJ3,600,000
- Calorie (thermochemical)calexactly 4.184 J860.4206501
- Kilocalorie (thermochemical)kcalfood Calorie0.8604206501
- Calorie (IT)cal (IT)International Table859.8452279
- Kilocalorie (IT)kcal (IT)0.8598452279
- Watt-hourWh1
- Kilowatt-hourkWh0.001
- Megawatt-hourMWh0.000001
- BTU (IT)BTUInternational Table3.412141633
- BTU (thermochemical)BTU (th)3.414425093
- Therm (US)thm100 000 BTU0.00003412956341
- Foot-poundft·lbf2,655.223737
- Ergerg36,000,000,000
- ElectronvolteV2.246943267 × 10²²
- KiloelectronvoltkeV2.246943267 × 10¹⁹
- MegaelectronvoltMeV2.246943267 × 10¹⁶
- Tonne of oil equivalenttoe8.598452279 × 10⁻⁸
Watt-hour to Joule table
| Watt-hour (Wh) | Joule (J) |
|---|---|
| 1 | 3,600 |
| 2 | 7,200 |
| 5 | 18,000 |
| 10 | 36,000 |
| 20 | 72,000 |
| 50 | 180,000 |
| 100 | 360,000 |
| 250 | 900,000 |
| 500 | 1,800,000 |
| 1,000 | 3,600,000 |
How the conversion works
Multiply the watt-hour figure by 3,600 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 = 0.00027777778 Wh — see joule to watt-hour.
