Calorie to Joule Converter
cal → J
Convert between joules, calories, BTU, kWh, and more energy units. Perfect for physics, nutrition, and electricity calculations.
Convert Calorie to Joule
How to Convert Calorie to Joule
Enter a value above, select your units, and get instant results. Works both ways — Calorie to Joule or Joule to Calorie.
Formula: Joule = Calorie × 4.184
Quick steps
- Enter the value you want to convert in the "Calorie" field.
- Select "Calorie" as your "From" unit.
- Select "Joule" as your "To" unit.
- The converted result appears instantly in the "Joule" field.
- To reverse the conversion, enter a value in the "Joule" field instead.
Common Calorie to Joule Conversions
| Calorie | Joule |
|---|---|
| 1 | 4.184 |
| 5 | 20.92 |
| 10 | 41.84 |
| 25 | 104.6 |
| 50 | 209.2 |
| 100 | 418.4 |
Frequently Asked Questions
Multiply your calorie value by 4.184. For example, 10 cal = 41.84 J.
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