AbraCalc

1 kWh to kJ

1 kilowatt-hour equals 3,600 kilojoules.

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How to use this tool

  1. Enter energy and from unit in the fields above.
  2. Results update instantly as you type — or click Calculate.
  3. Read your kilojoules and the full breakdown beneath it.

Convert 1 kWh to kilojoules — 1 kilowatt-hour is exactly 3,600 kJ.