Kilocalorie to Kilojoule Converter

Convert kilocalories to kilojoules instantly for nutrition and energy calculations

Kilocalories (kcal)

Kilojoules (kJ)

Quick Reference

1 kcal

= 4.184 kJ

100 kcal

= 418.4 kJ

500 kcal

= 2092 kJ

1000 kcal

= 4184 kJ

This converter helps you convert between kilocalories (kcal) and kilojoules (kJ). One kilocalorie equals exactly 4.184 kilojoules.

Conversion Formula:
Kilojoules = Kilocalories × 4.184
Kilocalories = Kilojoules ÷ 4.184