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Kilowatt-hour to Kilojoule Converter

Kostenloser Energierechner, Joule, Kalorien, Kilowattstunden und BTU Sofort Umrechnen

1Kilowatt-hour=3600Kilojoule
1 Kilojoule = 0.0002777778 Kilowatt-hour

Kilowatt-hour

Symbol
kWh
System
Metric/Imperial
Dimension
Various

Kilojoule

Symbol
kJ
System
Metric/Imperial
Dimension
Various

Quick Reference Table

Kilowatt-hourKilojouleKilojouleKilowatt-hour
1360010.0002777778
2720020.0005555556
31080030.0008333333
51800050.0013888889
1036000100.0027777778
2590000250.0069444444
50180000500.0138888889
1003600001000.0277777778
50018000005000.1388888889
1000360000010000.2777777778

Conversion Formula

Kilojoule = Kilowatt-hour × 3600

Kilowatt-hour = Kilojoule × 0.0002777778

Factors are from BIPM SI brochure and NIST SP 811, stored unrounded and computed via a base unit. Reverse factor is 1 ÷ 3600.

How to convert Kilowatt-hour to Kilojoule

Multiply the value in kilowatt-hour by 3600 to get kilojoule. For example, 5 Kilowatt-hour = 18000 Kilojoule. All results in the energie converter update instantly as you type, so you can see every unit at once without manual math.

Common mistakes

Do not round the factor to 3600 too early — keep full precision until the final display. For energie, always verify critical calculations (medicine, engineering) with a second source.

FAQ

How many Kilojoule in 1 Kilowatt-hour?
1 Kilowatt-hour = 3600 Kilojoule.
How many Kilowatt-hour in 1 Kilojoule?
1 Kilojoule = 0.0002777778 Kilowatt-hour.
What is the source?
BIPM/NIST via OmniConverter base-unit engine. Source table and formula above are exact.

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