Watt-hours to Joules
Convert watt-hours to joules instantly — type a value, get the answer.
Joules3,600.0000J
Multiply watt-hours by 3600 to get joules. 1 Wh = 3600 J.
| Watt-hours (Wh) | Joules (J) |
|---|---|
| 1 Wh | 3,600 J |
| 2 Wh | 7,200 J |
| 5 Wh | 18,000 J |
| 10 Wh | 36,000 J |
| 25 Wh | 90,000 J |
| 50 Wh | 180,000 J |
| 100 Wh | 360,000 J |
Common watt-hours-to-joules conversions, rounded to 4 decimals.
How to convert watt-hours to joules
Multiply the number of watt-hours by 3600. For example, 10 Wh × 3600 = 36,000 J. The converter above does this for any value instantly, and the table below lists the conversions people look up most.
Converting joules back to watt-hours
To go the other way, divide the J value by 3600 — or multiply by 0.0003. So 1 J ≈ 0.0003 Wh.
Questions
How many joules are in a watt-hour?
One watt-hour equals 3600 joules. Multiply any Wh figure by 3600 to convert it to J.
How do I convert joules back to watt-hours?
Divide the J value by 3600, or multiply by 0.0003. For example, 5 J ≈ 0.0014 Wh.
What is 10 Wh in J?
10 Wh = 36,000 J. Type any value into the converter above to see its joules equivalent.