Home/Energy/Joule to Watt-hour

Convert Joule to Watt-hour

Instantly convert Joule (J) to Watt-hour (Wh) with our free online converter.

Joule → Watt-hour

—
Enter a value to convert

Conversion Formula

Joule to Watt-hour

Joule value × 0.00027778 = Watt-hour value

Multiply the joule value by 0.00027778 to convert to watt-hour. This is because 1 J = 0.00027778 Wh.

Quick Reference Table

Joule (J)Watt-hour (Wh)
0.1 J2.777778e-5 Wh
0.5 J0.00013889 Wh
1 J0.00027778 Wh
2 J0.00055556 Wh
5 J0.00138889 Wh
10 J0.00277778 Wh
25 J0.00694444 Wh
50 J0.01388889 Wh
100 J0.02777778 Wh
1000 J0.27777778 Wh

Related Conversions

Joule to KilojouleKilojoule to Watt-hourJoule to CalorieCalorie to Watt-hourJoule to KilocalorieKilocalorie to Watt-hourJoule to Kilowatt-hourKilowatt-hour to Watt-hourJoule to ElectronvoltElectronvolt to Watt-hourJoule to British Thermal UnitBritish Thermal Unit to Watt-hour

Frequently Asked Questions

How do I convert Joule to Watt-hour?
Multiply the joule value by 0.00027778 to convert to watt-hour. This is because 1 J = 0.00027778 Wh.
What is 1 Joule in Watt-hour?
1 J is equal to 0.00027778 Wh.
Is this converter accurate?
Yes. All conversions use internationally recognized conversion factors and formulas for precise results.