Daily Unit Converter

Energy & Work converter

Kilojoule to Watt-hour Converter

Converts kilojoule to watt-hour for energy.

From
To

Result

0.277778 Wh

1 kJ = 0.277778 Wh

Also equals

1,000J
0.000278kWh
0.239006kcal
0.277778Wh
0.947817BTU
737.562149ft·lb
Need the reverse conversion?Watt-hour to Kilojoule Converter

Conversion formula

Wh = kJ × 0.277777777778

1 kilojoule equals 0.27777778 watt-hour.

Kilojoule to Watt-hour table

Kilojoule (kJ)Watt-hour (Wh)
0.010.0028
0.10.0278
10.2778
20.5556
30.8333
51.3889
102.7778
205.5556
5013.8889
10027.7778
1,000277.7778

About this conversion

This converter uses the displayed definition for kilojoule and its recognized relationship to watt-hour. Calculations retain full precision internally, and only the visible result is rounded. You can swap the conversion direction without changing the underlying standard.

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Convert Kilojoule to other energy & work units

Kilojoule to JouleKilojoule to MegajouleKilojoule to CalorieKilojoule to KilocalorieKilojoule to Watt-hourKilojoule to Kilowatt-hourKilojoule to BTUKilojoule to ThermKilojoule to Foot-poundKilojoule to ElectronvoltKilojoule to ErgKilojoule to Ton of TNTKilojoule to Barrel of Oil EquivalentKilojoule to GigajouleKilojoule to MillijouleKilojoule to MicrojouleKilojoule to NanojouleKilojoule to Hartree (Atomic Unit)Kilojoule to RydbergKilojoule to Gigawatt HourKilojoule to Megawatt HourKilojoule to Kilowatt SecondKilojoule to Watt SecondKilojoule to Newton MeterKilojoule to Horsepower HourKilojoule to Metric Horsepower HourKilojoule to Kilocalorie (IT)Kilojoule to Kilocalorie (Th)Kilojoule to Calorie (IT)Kilojoule to Calorie (Th)Kilojoule to MBTUKilojoule to Ton Hour (Refrigeration)Kilojoule to Foe (Kilotons)Kilojoule to Foe (Barrels)Kilojoule to Gigaton TNTKilojoule to Megaton TNTKilojoule to Kiloton TNTKilojoule to Ton (Explosive)Kilojoule to Dyne CentimeterKilojoule to Gram-force MeterKilojoule to Gram-force CentimeterKilojoule to Kilogram-force CentimeterKilojoule to Kilogram-force MeterKilojoule to Kilopond MeterKilojoule to Pound-force FootKilojoule to Pound-force InchKilojoule to Ounce-force InchKilojoule to Foot PoundKilojoule to Inch PoundKilojoule to Inch OunceKilojoule to Poundal FootKilojoule to Therm (EC)Kilojoule to Therm (US)

Frequently asked questions

How do I convert kilojoules to watt-hours?+

Enter the kilojoules value in the converter. The result uses the defined factor 0.277777777778 and is rounded only for display.

Does the converter keep full precision?+

Yes. Calculations retain high precision throughout each step, while the visible result is rounded for readability.

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