Calories to Joules

Convert calories to joules with ease, learn about energy units and conversion precision

1 Calories = 4.184 Joules (standard conversion factor). · Updated 2026-05-29

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Calories to Joules Conversion Table

Common Calories to Joules conversion values

Calories Joules
1 cal 4.184 J
10 cal 41.840 J
50 cal 209.200 J
100 cal 418.400 J
500 cal 2092.000 J
1000 cal 4184.000 J

The formula

Joules = Calories × 4.184

Example: 10 Calories = 41.84 Joules