Energy

Kilocalories to Kilojoules

Convert Updates live

kcal — kJ

Formula

Multiply kcal by 4.184

Common conversions

kcal	kJ
1 kcal	4.2 kJ
10 kcal	41.8 kJ
50 kcal	209.2 kJ
100 kcal	418.4 kJ
150 kcal	627.6 kJ
200 kcal	836.8 kJ
250 kcal	1046.0 kJ
300 kcal	1255.2 kJ
400 kcal	1673.6 kJ
500 kcal	2092.0 kJ
1000 kcal	4184.0 kJ
1500 kcal	6276.0 kJ
2000 kcal	8368.0 kJ
2500 kcal	10460.0 kJ

Also: Kilojoules to Kilocalories

FAQ

How many kJ in 1 kcal?

1 kilocalorie (food Calorie) equals 4.184 kilojoules.

What is the difference between kcal and kJ?

Both measure energy. kJ is the SI unit. kcal is used on US food labels. Multiply kcal by 4.184 to get kJ.

Related converters

Kilojoules to Kilocalories Calories to Joules Joules to Calories