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Unit conversion / Energy converter

Convert Kilocalories to Joules (kcal to J)

1 kcal = 4184 J. Convert kilocalories to joules in this browser tab, with the exact factor and worked examples.

On-device prototype

Kilocalories to Joules, worked out

Exact factor: multiply kilocalories by 4184 to get joules.

1 kcal
= 4184 J
10 kcal
= 41840 J
100 kcal
= 418400 J

Energy converter

Convert joules, watt-hours, calories, and BTU.

Auto-calculating

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