Energy Converter (Joules to Calories)
Convert energy and heat units between Joules and Calories (J ↔ cal) with precision.
Processed locally
Two-Way Conversion
Quick values:
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Joules to CaloriesEnter a value to calculate
Formulacal = Joules ÷ 4.184 | Joules = cal × 4.184
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Frequently Asked Questions
1 food calorie (large calorie or kcal) equals 1,000 small calories or 4,184 Joules (4.184 kJ).