Watt Hours to Joules Converter
EngineeringJoules, calories, kilowatt-hours and more.
How to convert Watt Hours to Joules
Multiply the watt hours value by 3,600: 1 Wh = 3,600 J. Going the other way, 1 J = 0.000277778 Wh, so divide by 3,600 or use the Joules to Watt Hours converter.
About these units
Watt Hours (Wh)
A watt-hour is the energy of one watt sustained for one hour, exactly 3,600 joules. Phone and laptop batteries are rated in watt-hours.
Joules (J)
The joule is the SI unit of energy: the work done by a force of one newton over one meter. Lifting a small apple one meter takes about one joule.
Watt Hours to Joules conversion table
| Watt Hours (Wh) | Joules (J) |
|---|---|
| 1 Wh | 3,600 J |
| 2 Wh | 7,200 J |
| 3 Wh | 10,800 J |
| 4 Wh | 14,400 J |
| 5 Wh | 18,000 J |
| 10 Wh | 36,000 J |
| 20 Wh | 72,000 J |
| 25 Wh | 90,000 J |
| 50 Wh | 180,000 J |
| 100 Wh | 360,000 J |
| 500 Wh | 1.8e+6 J |
| 1,000 Wh | 3.6e+6 J |
More watt hours conversions
- Watt Hours to Kilowatt Hours1 Wh = 0.001 kWh
- Watt Hours to Electron Volts1 Wh = 2.2469e+22 eV
- Watt Hours to Megawatt Hours1 Wh = 1e-6 MWh
- Watt Hours to Calories1 Wh = 860.421 cal
- Watt Hours to British Thermal Units1 Wh = 3.41213 BTU
- Watt Hours to Ergs1 Wh = 3.6e+10 erg
See every unit on the Energy Converter.