Watt-hours to Joules Converter

Convert watt-hours (Wh) to joules (J) instantly. Type a value below; the result updates as you type. 1 Wh = 3,600 J.

How to convert watt-hours to joules

1 Wh = 3,600 J. To convert watt-hours to joules, multiply the value by 3,600.

joules = watt-hours × 3,600

Worked examples

  • 5 Wh = 18,000 J
  • 12 Wh = 43,200 J
  • 100 Wh = 360,000 J

Common watt-hours to joules conversions

How many joules is 2 Wh?

2 Wh is equal to 7,200 J.

How many joules is 10 Wh?

10 Wh is equal to 36,000 J.

How many joules is 20 Wh?

20 Wh is equal to 72,000 J.

How many joules is 50 Wh?

50 Wh is equal to 180,000 J.

How many joules is 100 Wh?

100 Wh is equal to 360,000 J.

How many joules is 500 Wh?

500 Wh is equal to 1,800,000 J.

Watt-hours to joules conversion table

Watt-hours (Wh)Joules (J)
1 Wh3,600 J
2 Wh7,200 J
3 Wh10,800 J
4 Wh14,400 J
5 Wh18,000 J
6 Wh21,600 J
7 Wh25,200 J
8 Wh28,800 J
9 Wh32,400 J
10 Wh36,000 J
15 Wh54,000 J
20 Wh72,000 J
25 Wh90,000 J
30 Wh108,000 J
40 Wh144,000 J
50 Wh180,000 J
75 Wh270,000 J
100 Wh360,000 J
250 Wh900,000 J
500 Wh1,800,000 J
1,000 Wh3,600,000 J

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Frequently asked questions

How many joules are in 1 watt-hour?

1 watt-hour (Wh) equals 3,600 joules (J).

How do I convert watt-hours to joules?

To convert watt-hours to joules, multiply the value by 3,600. For example, 5 Wh = 18,000 J.

How many watt-hours are in 1 joule?

1 joule (J) equals 0.000277778 watt-hours (Wh).

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