Watt-hours to Kilojoules Converter

Convert Watt-hours to Kilojoules with this free calculator. Type any value to convert it instantly, or use the conversion table below for common amounts.

Watt-hours and Kilojoules are both units used in the Energy Converter. This page converts between the two, shows the exact conversion factor and gives a table of the values people look up most often.

wh to kj conversion table

Watt-hours	Kilojoules
1 wh	3.6 kj
2 wh	7.2 kj
5 wh	18 kj
10 wh	36 kj
25 wh	90 kj
50 wh	180 kj
100 wh	360 kj
500 wh	1800 kj
1,000 wh	3600 kj

How it is calculated

Result = value in Watt-hours × 3.6
So 1 wh = 3.6 kj.

Common wh to kj conversions

1 wh = 3.6 kj
5 wh = 18 kj
10 wh = 36 kj
25 wh = 90 kj
50 wh = 180 kj
100 wh = 360 kj

Related conversions

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Frequently asked questions

How do I convert Watt-hours to Kilojoules?

Multiply the Watt-hours value by 3.6. For example, 10 wh = 36 kj.

What is 10 wh in kj?

10 wh equals 36 kj.

Is the Watt-hours to Kilojoules converter accurate?

Yes. The conversion uses the internationally defined conversion factor between these units, so the result is exact at the precision shown.