Skip to tool

Categories

Unit conversion / Energy converter

Convert Kilocalories to Kilojoules (kcal to kJ)

1 kcal = 4.184 kJ. Convert kilocalories to kilojoules in this browser tab, with the exact factor and worked examples.

On-device prototype

Kilocalories to Kilojoules, worked out

Exact factor: multiply kilocalories by 4.184 to get kilojoules.

1 kcal
= 4.184 kJ
10 kcal
= 41.84 kJ
100 kcal
= 418.4 kJ

Energy converter

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

Auto-calculating

Chosen from where these tools sit in the catalogue — the same workbench, the same category, the same words. Nothing here measures what you or anyone else opened.