Skip to content

Kilocalories to kilojoules

Convert kilocalories to kilojoules, with the math shown step by step.

Kilojoules
83.68 kJ

20 kcal = 83.68 kJ

Also equals

How it works

kJ = kcal × 4.184

One kilocalorie is exactly 4.184 kilojoules, so multiplying by 4.184 turns kilocalories into kilojoules. For example, 500 kcal is 2,092 kJ.

  1. Multiply by 4.184 20 × 4.184 = 83.68 kJ

Nearby values

Kilocalories Kilojoules British thermal units Watt-hours
0 kcal 0 kJ 0 0
10 kcal 41.84 kJ 39.66 11.62
20 kcal 83.68 kJ 79.31 23.24
30 kcal 125.52 kJ 118.97 34.87
40 kcal 167.36 kJ 158.63 46.49
50 kcal 209.2 kJ 198.28 58.11