kJ → kWh converter

Convert kilojoules to kilowatt-hours (Energy)

1 kJ = 0.0002777777778 kWh · 1 kWh = 3600 kJ

Common values: 10 kJ 50 kJ 100 kJ 500 kJ 1000 kJ

50 kJ = 0.013888889 kWh

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Kilojoules to kilowatt-hours Conversion

1 kilojoules (kJ) is equal to 0.0002777777778 kilowatt-hours (kWh).

1 kJ = 0.0002777777778 kWh

or

1 kWh = 3600 kJ

Formula

To convert a energy from kilojoules (kJ) to kilowatt-hours (kWh), divide the energy in kilojoules by 3600

e(kWh) = e(kJ) / 3600

Examples:

Convert 50 kilojoules to kilowatt-hours:

e(kWh) = 50kJ / 3600 = 0.01388888889 kWh

Conversion table

Kilojoules (kJ) Kilowatt-hours (kWh)
1 kJ 2.77778e-4 kWh
2 kJ 5.55556e-4 kWh
3 kJ 8.33333e-4 kWh
5 kJ 0.001388889 kWh
10 kJ 0.002777778 kWh
20 kJ 0.005555556 kWh
25 kJ 0.006944444 kWh
50 kJ 0.013888889 kWh
100 kJ 0.027777778 kWh
250 kJ 0.069444444 kWh
500 kJ 0.138888889 kWh
1000 kJ 0.277777778 kWh
Kilowatt-hours (kWh) Kilojoules (kJ)
1 kWh 3600 kJ
2 kWh 7200 kJ
3 kWh 10800 kJ
5 kWh 18000 kJ
10 kWh 36000 kJ
20 kWh 72000 kJ
25 kWh 90000 kJ
50 kWh 180000 kJ
100 kWh 360000 kJ
250 kWh 900000 kJ
500 kWh 1800000 kJ
1000 kWh 3600000 kJ

Frequently asked questions

How do I convert kilojoules to kilowatt-hours?

Divide the value in kilojoules by 3600 to get the result in kilowatt-hours. For example, 5 kJ ÷ 3600 = 0.001388889 kWh.

How many kilowatt-hours are in 1 kilojoules?

1 kilojoules (kJ) is equal to 2.77778e-4 kilowatt-hours (kWh).

How do I convert kilowatt-hours back to kilojoules?

Use the inverse operation: multiply the value in kilowatt-hours by 3600 to get the result in kilojoules.

How accurate is the kilojoules to kilowatt-hours 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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