⚡ Energy
Wh to joules Converter
Convert Wh to joules instantly with a reference conversion table.
Quick answer: To convert Wh to joules, multiply by 3600. For example, 1 Wh = 3600 joules. Use the calculator below for any value.
Wh to joules
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Common conversions
| Wh | joules |
|---|
Formula:
How to convert Wh to joules
1
Enter your value
Type the number of wh you want to convert into the left box. The result in joules appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — joules to Wh. Your current value carries across so you don't have to re-enter anything.
3
About Wh and joules
Wh and joules are common energy measurements.
📊 Common conversions at a glance
| Wh | joules |
|---|---|
| 0.000278 | 1.001 |
| 0.001 | 3.6 |
| 0.1 | 360 |
| 1 | 3600 |
| 10 | 3.6e+04 |
| 100 | 3.6e+05 |
Reviewed for 2026. Wh ↔ joules conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.
Frequently asked questions
How do I convert Wh to joules?
To convert Wh to joules, multiply by 3600. Or use the calculator above for instant results.
How many joules are in 1 Wh?
1 Wh equals 3600 joules.
Is the Wh to joules converter free?
Yes, the Wh to joules converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.