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Convert Kilocalories to Kilojoules

Instantly convert kilocalories (kcal) to kilojoules (kJ) with our free online converter.

4.184

1 kcal = 4.184 kJ

Quick Formula

kJ = value × 4.184

Multiply the kilocalorie value by 4.184.

Common Kilocalories to Kilojoules Conversions

Kilocalories (kcal)Kilojoules (kJ)
1 kcal4.184 kJ
2 kcal8.368 kJ
5 kcal20.92 kJ
10 kcal41.84 kJ
25 kcal104.6 kJ
50 kcal209.2 kJ
100 kcal418.4 kJ
250 kcal1,046 kJ
500 kcal2,092 kJ
1,000 kcal4,184 kJ

How to Convert Kilocalories to Kilojoules

To convert kilocalories to kilojoules, you can use the following formula:

kJ = value × 4.184

Multiply the kilocalorie value by 4.184. This means that 1 kcal is equal to 4.184 kJ.

Conversion Examples

  • 1 kcal = 4.184 kJ
  • 2 kcal = 8.368 kJ
  • 5 kcal = 20.92 kJ
  • 10 kcal = 41.84 kJ
  • 25 kcal = 104.6 kJ

About Kilocalories and Kilojoules

Kilocalories (kcal) and Kilojoules (kJ) are both units of energy. The conversion factor between kilocalories and kilojoules is constant, making it straightforward to convert between these two units.