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Convert watt-hours to joules. Completely free.
1 watt-hour is 3,600 joules. Type any value below for the exact answer. It all happens in this tab, with no account and no paid version.
Watt-hours to joules converter
1 watt-hour=3,600 joules
Formulajoules = watt-hours × 3,600
How to convert watt-hours to joules
- Type a value, or a question like the one already filled in.
- The result appears as you type, alongside every related unit.
- Copy it.
Energy chart
| Watt-hours | Joules |
|---|---|
| 1 | 3,600 |
| 2 | 7,200 |
| 5 | 18,000 |
| 10 | 36,000 |
| 25 | 90,000 |
| 50 | 180,000 |
| 100 | 360,000 |
| 1,000 | 3,600,000 |
Questions
Is this watt-hours to joules converter really free?
Yes, completely. Every tool and every format is free, and there's no paid version, account, watermark or daily limit.
Does anything get sent to a server?
No. It all runs in your browser, so it keeps working once the page has loaded, even offline.
How do I convert watt-hours to joules?
Use joules = watt-hours × 3,600. 1 watt-hour is 3,600 joules. Type any value in the converter above, or a plain question like "5 wh in j".
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