Calorie to Joule Converter
Convert calories to joules. Accurate energy unit conversion for physics and nutrition.
100 cal =
418.4 J
Also Equals
418.4
Joules (J)
0.4184
Kilojoules (kJ)
Formula
Joules = Calories × 4.184
100 cal × 4.184 = 418.4 J
Common Conversions
1 cal
= 4.184 J
10 cal
= 41.84 J
100 cal
= 418.4 J
1000 cal
= 4,184 J
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
📚
Formula Source: NIST Guide to SI Units
by National Institute of Standards
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.