tier_2 conversion

Convert kilojoule to kilowatt-hour

Convert kilojoule to kilowatt-hour with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.

kilojoule to kilowatt-hour

kilowatt-hour—

Quick answer

1 kilojoule = 0.000277777777778 kilowatt-hour.

Formula

kilowatt-hour = kilojoule × 0.0002777777777777800000000000000

Precision

The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.

How to convert kilojoule to kilowatt-hour

Enter a value in kilojoule.
Use the scale factor 0.0002777777777777800000000000000: kilowatt-hour equals kilojoule multiplied by this factor.
Round the displayed kilowatt-hour value only when needed.

About these units

kilojoule is a unit used in energy conversions. Energy measures the capacity to perform work or transfer heat. Its recorded symbol is kJ. kilowatt-hour is a unit used in energy conversions. Energy measures the capacity to perform work or transfer heat. Its recorded symbol is kW*h.

Explore related conversions

kilojoule to kilowatt-hour conversion table

kilojoule	kilowatt-hour
0 kilojoule	0e-31 kilowatt-hour
1 kilojoule	0.000277777777778 kilowatt-hour
5 kilojoule	0.00138888888889 kilowatt-hour
10 kilojoule	0.00277777777778 kilowatt-hour
25 kilojoule	0.00694444444444 kilowatt-hour
100 kilojoule	0.0277777777778 kilowatt-hour

Frequently asked questions

How do I convert from kilojoule to kilowatt-hour?

Use the scale factor 0.0002777777777777800000000000000: kilowatt-hour equals kilojoule multiplied by this factor.

What formula does CalculatorHQ use for kilojoule to kilowatt-hour?

kilowatt-hour = kilojoule × 0.0002777777777777800000000000000

How should I round the result?

The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.

Can I convert kilowatt-hour back to kilojoule?

Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.