Watt-hours to joules
Type a value in Wh to get it in J instantly.
360,000J
That's 7.2× as much energy as a phone charge, while a banana is 1.22× more. That could lift a one-tonne car 36.71 m into the air.
Convert the other way: J to Wh
What it means
What could that energy do?
The hill climb ignores friction and assumes a 1,000 kg car. Food calories on labels are kilocalories.
The math
How to convert Wh to J
To convert watt-hours to joules, multiply by 3,600.
Example: 100 Wh × 3,600 = 360,000 J.
In the other direction, 1 J = 0.000277778 Wh.
Every unit
Your energy in every unit
Tables
Wh to J conversion table
| Wh | J |
|---|---|
| 1 Wh | 3,600 J |
| 2 Wh | 7,200 J |
| 5 Wh | 18,000 J |
| 10 Wh | 36,000 J |
| 15 Wh | 54,000 J |
| 20 Wh | 72,000 J |
| 25 Wh | 90,000 J |
| 50 Wh | 180,000 J |
| 75 Wh | 270,000 J |
| 100 Wh | 360,000 J |
| 150 Wh | 540,000 J |
| 200 Wh | 720,000 J |
| 500 Wh | 1,800,000 J |
| 1,000 Wh | 3,600,000 J |
J to Wh conversion table
| J | Wh |
|---|---|
| 1 J | 0.000277778 Wh |
| 2 J | 0.000555556 Wh |
| 5 J | 0.00138889 Wh |
| 10 J | 0.00277778 Wh |
| 15 J | 0.00416667 Wh |
| 20 J | 0.00555556 Wh |
| 25 J | 0.00694444 Wh |
| 50 J | 0.0138889 Wh |
| 75 J | 0.0208333 Wh |
| 100 J | 0.0277778 Wh |
| 150 J | 0.0416667 Wh |
| 200 J | 0.0555556 Wh |
| 500 J | 0.138889 Wh |
| 1,000 J | 0.277778 Wh |
Quick answers
Quick answers
- How many J is 1 Wh?
- 1 Wh is 3,600 J.
- How many J is 10 Wh?
- 10 Wh is 36,000 J.
- How many J is 100 Wh?
- 100 Wh is 360,000 J.
The units
About these units
Watt-hours (Wh)
A watt-hour is one watt for one hour, 3,600 joules. Phone and laptop batteries are rated in watt-hours.
Joules (J)
The joule is the SI unit of energy: the work done pushing with one newton over one meter. Lifting an apple a meter takes about one joule.
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