Calorie to Kilojoule Converter
cal → kJ
Convert between joules, calories, BTU, kWh, and more energy units. Perfect for physics, nutrition, and electricity calculations.
Convert Calorie to Kilojoule
How to Convert Calorie to Kilojoule
Enter a value above, select your units, and get instant results. Works both ways — Calorie to Kilojoule or Kilojoule to Calorie.
Formula: Kilojoule = Calorie × 0.004184
Quick steps
- Enter the value you want to convert in the "Calorie" field.
- Select "Calorie" as your "From" unit.
- Select "Kilojoule" as your "To" unit.
- The converted result appears instantly in the "Kilojoule" field.
- To reverse the conversion, enter a value in the "Kilojoule" field instead.
Common Calorie to Kilojoule Conversions
| Calorie | Kilojoule |
|---|---|
| 1 | 0.004184 |
| 5 | 0.02092 |
| 10 | 0.04184 |
| 25 | 0.1046 |
| 50 | 0.2092 |
| 100 | 0.4184 |
Frequently Asked Questions
Multiply your calorie value by 0.004184. For example, 10 cal = 0.04184 kJ.
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