How to use Energy Converter
Convert joules to kilojoules and between J, kJ, Wh, kWh and kcal instantly with this free energy converter.
- Enter the source value or date.
- Choose the required target unit, date or method.
- Review and use the converted or calculated result.
Inputs are processed in your browser unless the tool explicitly states that it retrieves reference data. Verify the result against your own context before making an important decision.