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Energy Converter

Convert joules, kilojoules, calories, kilocalories, Wh and kWh.

Reviewed/updated September 8, 2026
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What is the Energy Converter?

Convert joules, kilojoules, calories, kilocalories, Wh and kWh. ITS Research Solution keeps the interactive tool above the explanation so you can calculate first and then review the method used.

Formula or method

Values are converted through joules as the base unit.

How to use this tool

Enter the requested values using consistent units, run the calculation and review the main result plus any supporting values. 1 kWh equals 3.6 MJ.

Interpretation and limitations

Food “Calories” commonly refer to kilocalories (kcal), not small calories. Always check source data, units, rounding and discipline-specific requirements before using a result in assessed, published, regulated or high-stakes work.

Questions

Frequently asked questions

How is this result calculated?

Values are converted through joules as the base unit.

Can I use this result in formal academic or research work?

Use it as a transparent calculation aid, then verify the assumptions, units, rounding and any institution-, journal- or field-specific requirements before formal use.