Kilojoules to Kilowatt-hours Converter

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

Kilojoules and Kilowatt-hours 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.

kj to kwh conversion table

Kilojoules	Kilowatt-hours
1 kj	0.000278 kwh
2 kj	0.000556 kwh
5 kj	0.001389 kwh
10 kj	0.002778 kwh
25 kj	0.006944 kwh
50 kj	0.013889 kwh
100 kj	0.027778 kwh
500 kj	0.138889 kwh
1,000 kj	0.277778 kwh

How it is calculated

Result = value in Kilojoules × 0.000278
So 1 kj = 0.000278 kwh.

Common kj to kwh conversions

1 kj = 0.000278 kwh
5 kj = 0.001389 kwh
10 kj = 0.002778 kwh
25 kj = 0.006944 kwh
50 kj = 0.013889 kwh
100 kj = 0.027778 kwh

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Frequently asked questions

How do I convert Kilojoules to Kilowatt-hours?

Multiply the Kilojoules value by 0.000278. For example, 10 kj = 0.002778 kwh.

What is 10 kj in kwh?

10 kj equals 0.002778 kwh.

Is the Kilojoules to Kilowatt-hours converter accurate?

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