W⋅hr → joule converter

Convert watt-hour to joules (Energy)

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

Common values: 10 W⋅hr 50 W⋅hr 100 W⋅hr 500 W⋅hr 1000 W⋅hr

50 W⋅hr = 180000 joule

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Watt-hour to joules Conversion

1 watt-hour (W⋅hr) is equal to 3600 joules (joule).

1 W⋅hr = 3600 joule

or

1 joule = 0.0002777777778 W⋅hr

Formula

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

e(joule) = e(W⋅hr) × 3600

Examples:

Convert 50 watt-hour to joules:

e(joule) = 50W⋅hr × 3600 = 180000 joule

Conversion table

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
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

Frequently asked questions

How do I convert watt-hour to joules?

Multiply the value in watt-hour by 3600 to get the result in joules. For example, 5 W⋅hr × 3600 = 18000 joule.

How many joules are in 1 watt-hour?

1 watt-hour (W⋅hr) is equal to 3600 joules (joule).

How do I convert joules back to watt-hour?

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

How accurate is the watt-hour to joules 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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