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Energy unit converter

Convert energy units with the UnitMatrix conversion grid.

Enable JavaScript to use the interactive calculator. Formulas and examples are available below.

Energy unit converter: reference

Conversion reference

1 kJ = 1,000 J; 1 Wh = 3,600 J.

Select a unit and enter a value in the interactive grid. Keep units consistent and check the precision of your original measurement.

Reference text updated . For research and teaching reference. Verify results against your course or laboratory protocol.