Calorie to Kilojoule Converter

Quick Answer

1 cal = 0.004184 kJ

Formula: Kilojoule = Calorie x 0.004184

Formula verifiedLive calculation
To (Kilojoule)
0.004184kJ

Quick values

Calorie to Kilojoule Conversion Table

Calorie (cal)Kilojoule (kJ)
10.004184
20.008368
30.012552
40.016736
50.02092
60.025104
70.029288
80.033472
90.037656
100.04184

Convert Calorie to Other Energy Units

Frequently Asked Questions

How do you convert Calorie to Kilojoule?
Use the formula Kilojoule = Calorie x 0.004184. For example: 1 cal = 0.004184 kJ. Our calculator handles this automatically.
How many Kilojoules in a Calorie?
1 cal = 0.004184 kJ.
Why would I need to convert Calorie to Kilojoule?
Converting Calorie to Kilojoule is useful for scientific calculations, engineering projects, international trade, and everyday measurements where different unit systems are used.

Energy reference calculator

Reference factors

0.004184

kJ per cal

239.006

cal per kJ

Contents

Formula audit

Kilojoule = Calorie x 0.004184

1 cal = 0.004184 kJ

Results use the shared conversion engine and retain the full conversion rule before display formatting.

Unit reference

CategoryEnergy
Input unitCalorie (cal)
Output unitKilojoule (kJ)