About converting Watt-hour to Joule
This page converts Watt-hour (Wh) to Joule (J). Enter a value above to get an immediate result with the target unit clearly shown.
Watt-hour to Joule formula
To convert from Watt-hour to Joule, multiply the starting value by 3600. This factor expresses how one Watt-hour relates to the selected Joule unit.
Conversion example: 100 Wh × 3600 = 360000 J. Therefore, 100 Watt-hour equals 360000 Joule.
This Watt-hour to Joule conversion compares two units used to express the capacity to perform work or transfer heat. Use Watt-hour (Wh) as the source unit when your original value is recorded in that unit; the calculated result is then presented in Joule (J).