Joule to Watt hour
joule
watt hour
joule to watt hour Conversion Table
| joule (J) | watt hour (Wh) | |
|---|---|---|
| 0.01 J | → | 0.0000027778 Wh |
| 0.1 J | → | 0.0000277778 Wh |
| 1.0 J | → | 0.0002777778 Wh |
| 2.0 J | → | 0.0005555556 Wh |
| 3.0 J | → | 0.0008333333 Wh |
| 5.0 J | → | 0.0013888889 Wh |
| 10.0 J | → | 0.0027777778 Wh |
| 20.0 J | → | 0.0055555556 Wh |
| 30.0 J | → | 0.0083333333 Wh |
| 50.0 J | → | 0.0138888889 Wh |
| 100.0 J | → | 0.0277777778 Wh |
| 1000.0 J | → | 0.277777778 Wh |
Example Conversion
To convert from joule to watt hour, multiply by 0.0002777778.
For example: 22 joule = 22 × 0.0002777778 = 0.0061111111 watt hour
Unit History
About joule
The joule is the SI unit of energy, named after James Prescott Joule for his work on the mechanical equivalent of heat. It links energy to force and distance in a single coherent framework.
About watt hour
Developed alongside electric power grids, the watt-hour measures energy consumption as power delivered over time. It is still used in metering household appliances and batteries.