kWh → kJ converter

Convert kilowatt-hours to kilojoules (Energy)

1 kWh = 3600 kJ · 1 kJ = 0.0002777777778 kWh

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

50 kWh = 180000 kJ

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Kilowatt-hours to kilojoules Conversion

1 kilowatt-hours (kWh) is equal to 3600 kilojoules (kJ).

1 kWh = 3600 kJ

or

1 kJ = 0.0002777777778 kWh

Formula

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

e(kJ) = e(kWh) × 3600

Examples:

Convert 50 kilowatt-hours to kilojoules:

e(kJ) = 50kWh × 3600 = 180000 kJ

Conversion table

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
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

Frequently asked questions

How do I convert kilowatt-hours to kilojoules?

Multiply the value in kilowatt-hours by 3600 to get the result in kilojoules. For example, 5 kWh × 3600 = 18000 kJ.

How many kilojoules are in 1 kilowatt-hours?

1 kilowatt-hours (kWh) is equal to 3600 kilojoules (kJ).

How do I convert kilojoules back to kilowatt-hours?

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

How accurate is the kilowatt-hours to kilojoules 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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