Skip to tool

Categories

Unit conversion / Energy converter

Convert Calories to Kilojoules (cal to kJ)

1 cal = 0.004184 kJ. Convert calories to kilojoules in this browser tab, with the exact factor and worked examples.

On-device prototype

Calories to Kilojoules, worked out

Exact factor: multiply calories by 0.004184 to get kilojoules.

1 cal
= 0.004184 kJ
10 cal
= 0.04184 kJ
100 cal
= 0.4184 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.