joule → W⋅hr converter

Convert joules to watt-hour (Energy)

1 joule = 0.0002777777778 W⋅hr · 1 W⋅hr = 3600 joule

Common values: 10 joule 50 joule 100 joule 500 joule 1000 joule

500 joule = 0.138888889 W⋅hr

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Joules to watt-hour Conversion

1 joules (joule) is equal to 0.0002777777778 watt-hour (W⋅hr).

1 joule = 0.0002777777778 W⋅hr

or

1 W⋅hr = 3600 joule

Formula

To convert a energy from joules (joule) to watt-hour (W⋅hr), divide the energy in joules by 3600

e(W⋅hr) = e(joule) / 3600

Examples:

Convert 500 joules to watt-hour:

e(W⋅hr) = 500joule / 3600 = 0.1388888889 W⋅hr

Conversion table

Joules (joule) Watt-hour (W⋅hr)
1 joule 2.77778e-4 W⋅hr
2 joule 5.55556e-4 W⋅hr
3 joule 8.33333e-4 W⋅hr
5 joule 0.001388889 W⋅hr
10 joule 0.002777778 W⋅hr
20 joule 0.005555556 W⋅hr
25 joule 0.006944444 W⋅hr
50 joule 0.013888889 W⋅hr
100 joule 0.027777778 W⋅hr
250 joule 0.069444444 W⋅hr
500 joule 0.138888889 W⋅hr
1000 joule 0.277777778 W⋅hr
Watt-hour (W⋅hr) Joules (joule)
1 W⋅hr 3600 joule
2 W⋅hr 7200 joule
3 W⋅hr 10800 joule
5 W⋅hr 18000 joule
10 W⋅hr 36000 joule
20 W⋅hr 72000 joule
25 W⋅hr 90000 joule
50 W⋅hr 180000 joule
100 W⋅hr 360000 joule
250 W⋅hr 900000 joule
500 W⋅hr 1800000 joule
1000 W⋅hr 3600000 joule

Frequently asked questions

How do I convert joules to watt-hour?

Divide the value in joules by 3600 to get the result in watt-hour. For example, 5 joule ÷ 3600 = 0.001388889 W⋅hr.

How many watt-hour are in 1 joules?

1 joules (joule) is equal to 2.77778e-4 watt-hour (W⋅hr).

How do I convert watt-hour back to joules?

Use the inverse operation: multiply the value in watt-hour by 3600 to get the result in joules.

How accurate is the joules to watt-hour conversion?

The converter multiplies by the conversion factor 3600 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.

Sources

Conversion factors are based on internationally recognised standards:

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