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Calories to Joules

Calories to Joules

cal

Formula

J = cal × 4.184

Frequently Asked Questions

How do I convert calories to Joules?
Multiply the energy in calories by 4.184. For example, 1,000 cal = 4,184 J.
How many Joules in a food Calorie?
One food Calorie (kcal) equals 4,184 Joules, or approximately 4.2 kJ.

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