Convert Kilocalories to Kilojoules

Convert kilocalories (kcal) to kilojoules (kJ) with our free online converter. Includes formula, conversion table, and common examples.

From

kcal

Kilocalories

To

kJ

Kilojoules

How It Works

Multiply the kilocalorie value by 4.184

Example: 1 kcal = 4.184 kJ

Kilocalories to Kilojoules Table

Kilocalories (kcal)	Kilojoules (kJ)
1 kcal	4.184 kJ
2 kcal	8.368 kJ
3 kcal	12.552 kJ
4 kcal	16.736 kJ
5 kcal	20.92 kJ
6 kcal	25.104 kJ
7 kcal	29.288 kJ
8 kcal	33.472 kJ
9 kcal	37.656 kJ
10 kcal	41.84 kJ
12 kcal	50.208 kJ
15 kcal	62.76 kJ
20 kcal	83.68 kJ
25 kcal	104.6 kJ
30 kcal	125.52 kJ

Did You Know?

The "Calorie" on food labels (capital C) is actually a kilocalorie.
An average adult needs about 2000 kcal (8368 kJ) per day.

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