2 watt hours to joules
2 Wh = 7,200 J. Change the amount below, or read the formula and the reference table further down.
2 watt hours equals
joules
1 Wh = 3,600 J
The formula
Watt hours and joules both measure energy from the same zero, so a single multiplier does the job.
J = Wh × 3,600
Going the other way? Convert joules to watt hours.
Watt hours to joules table
Values either side of 2 Wh.
| Watt hours (Wh) | Joules (J) |
|---|---|
| -3 | -10,800 |
| -2.5 | -9,000 |
| -2 | -7,200 |
| -1.5 | -5,400 |
| -1 | -3,600 |
| -0.5 | -1,800 |
| 0 | 0 |
| 0.5 | 1,800 |
| 1 | 3,600 |
| 1.5 | 5,400 |
| 2 | 7,200 |
| 2.5 | 9,000 |
| 3 | 10,800 |
| 3.5 | 12,600 |
| 4 | 14,400 |
| 4.5 | 16,200 |
| 5 | 18,000 |
| 5.5 | 19,800 |
| 6 | 21,600 |
| 6.5 | 23,400 |
| 7 | 25,200 |
Questions people ask
- How many joules are in a watt hour?
- One watt hour equals 3,600 joules.
- How do I convert watt hours to joules by hand?
- Multiply the number of watt hours by 3,600. For a rough check, 3,600 is close enough for most everyday use.
- What is 2 watt hours in joules?
- 2 watt hours is 7,200 joules.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.