Watt-hour to Joule

1 Wh = 3,600 J

One watt-hour equals 3,600 joules, and one joule equals 0.000278 watt-hours.

Watt-hour to Joule formula

J = Wh × 3600

To convert watt-hours to joules, multiply the value by 3600. One watt-hour equals 3,600 joules.

Step-by-step examples

Convert 1 watt-hours to joules

  1. 1Start with the value in watt-hours: 1 Wh.
  2. 2Multiply by the conversion factor 3600.
  3. 31 × 3600 = 3,600 J.

Result: 1 Wh = 3,600 J

Convert 10 watt-hours to joules

  1. 1Start with the value in watt-hours: 10 Wh.
  2. 2Multiply by the conversion factor 3600.
  3. 310 × 3600 = 36,000 J.

Result: 10 Wh = 36,000 J

Convert 100 watt-hours to joules

  1. 1Start with the value in watt-hours: 100 Wh.
  2. 2Multiply by the conversion factor 3600.
  3. 3100 × 3600 = 360,000 J.

Result: 100 Wh = 360,000 J

Watt-hour to Joule conversion table

Watt-hour (Wh)Joule (J)
0.0136
0.1360
0.51,800
13,600
27,200
310,800
414,400
518,000
1036,000
2072,000
2590,000
50180,000
100360,000
250900,000
5001,800,000
10003,600,000

Watt-hour to Joule chart

09.00e+31.80e+42.70e+43.60e+40 Wh10 Wh

Wh (horizontal) vs J (vertical)

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Related converters

Reverse: Joule to Watt-hour

Frequently asked questions

How many joules are in a watt-hour?

There are 3,600 joules in one watt-hour (1 Wh = 3,600 J).

How do you convert watt-hours to joules?

To convert watt-hours to joules, multiply the value by 3600. One watt-hour equals 3,600 joules.

What is 10 watt-hours in joules?

10 watt-hours equals 36,000 joules.

How many watt-hours are in a joule?

One joule equals 0.000278 watt-hours (1 J = 0.000278 Wh).