Joules to watt-hours
1 joule = 0.0002777777778 Wh · 1 watt-hour = 3,600 J
How to convert joules to watt-hours
To convert joules to watt-hours, divide the value by 3,600.
Formula: Wh = J ÷ 3,600
Example: 10 J = 0.002777777778 Wh
Joules to watt-hours conversion table
| joules (J) | watt-hours (Wh) |
|---|---|
| 1 J | 0.0002777777778 Wh |
| 2 J | 0.0005555555556 Wh |
| 3 J | 0.0008333333333 Wh |
| 4 J | 0.001111111111 Wh |
| 5 J | 0.001388888889 Wh |
| 6 J | 0.001666666667 Wh |
| 7 J | 0.001944444444 Wh |
| 8 J | 0.002222222222 Wh |
| 9 J | 0.0025 Wh |
| 10 J | 0.002777777778 Wh |
| 15 J | 0.004166666667 Wh |
| 20 J | 0.005555555556 Wh |
| 25 J | 0.006944444444 Wh |
| 30 J | 0.008333333333 Wh |
| 40 J | 0.01111111111 Wh |
| 50 J | 0.01388888889 Wh |
| 75 J | 0.02083333333 Wh |
| 100 J | 0.02777777778 Wh |
| 250 J | 0.06944444444 Wh |
| 500 J | 0.1388888889 Wh |
| 1,000 J | 0.2777777778 Wh |
Frequently asked questions
How many watt-hours are in 1 joule?
1 J = 0.0002777777778 Wh
How many joules are in 1 watt-hour?
1 Wh = 3,600 J
What is 5 J in Wh?
5 J = 0.00138889 Wh (5 × 0.0002777777778)
What is 100 J in Wh?
100 J = 0.0277778 Wh (100 × 0.0002777777778)