How to Convert Joules to Watt-hours
To convert Joules to Watt-hours, divide the value by 3600.
The Formula
Watt-hours = Joules ÷ 3600
Key Fact
1 Watt-hour = 3600 Joules
Tip: To convert Watt-hours back to Joules, multiply by 3600.
Joules to Watt-hours
Convert Joules (J) to Watt-hours (Wh) with formulas, examples, and conversion tables.
J
Wh
1 Joules (J) = 0.000277777777778 Watt-hours (Wh)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 Watt-hour = 3600 Joules
2Divide the value by the conversion factor:
1 ÷ 3600 = 0.000277777777778
3Result:
1 Joules (J) = 0.000277777777778 Watt-hours (Wh)
Joules to Watt-hours Table
| Joules | Watt-hours |
|---|---|
| 1 J | 0.000277777777778 Wh |
| 2 J | 0.000555555555556 Wh |
| 5 J | 0.00138888888889 Wh |
| 10 J | 0.00277777777778 Wh |
| 20 J | 0.00555555555556 Wh |
| 25 J | 0.00694444444444 Wh |
| 50 J | 0.0138888888889 Wh |
| 100 J | 0.0277777777778 Wh |
| 250 J | 0.0694444444444 Wh |
| 500 J | 0.138888888889 Wh |
| 1000 J | 0.277777777778 Wh |
1 Joule in Other Units
| Unit | 1 J = |
|---|---|
| Joules to Kilojoules | 0.001 kJ |
| Joules to Megajoules | 1e-6 MJ |
| Joules to Gigajoules | 1e-9 GJ |
| Joules to Watt-hours | 0.000277777777778 Wh |
| Joules to Kilowatt-hours | 2.77777777778e-7 kWh |
| Joules to Megawatt-hours | 2.77777777778e-10 MWh |
| Joules to Calories | 0.239005736138 cal |
| Joules to Kilocalories | 0.000239005736138 kcal |
| Joules to BTU | 0.000947813394499 BTU |
| Joules to Therms | 9.47817120331e-9 therm |
| Joules to Foot-pounds | 0.737561033175 ft·lb |
| Joules to Electronvolts | 6.24149596175e18 eV |
| Joules to Ergs | 10000000 erg |