At One Place

Kilojoules to kilocalories

1 kilojoule in kilocalories
1 kJ = 0.23901 kcal
kcal = kJ × 0.2390057361

To convert kilojoules to kilocalories, multiply by 0.2390057361. The table below gives the values people look up most often, and the converter works for any number.

Kilojoules to kilocalories table

Common kilojoule values converted to kilocalories.
Kilojoules Kilocalories
1 kJ 0.23901
2 kJ 0.47801
3 kJ 0.71702
4 kJ 0.95602
5 kJ 1.195029
10 kJ 2.390057
15 kJ 3.585086
20 kJ 4.780115
25 kJ 5.975143
30 kJ 7.170172
40 kJ 9.560229
50 kJ 11.95029
75 kJ 17.92543
100 kJ 23.90057
250 kJ 59.75143
500 kJ 119.5029
1,000 kJ 239.0057

How the conversion works

The relationship is kcal = kJ × 0.2390057361. Both units measure energy, so the conversion is a fixed factor that never changes.

Kilocalorie: The "calorie" on food labels.

Common questions

How many kilocalories are in one kilojoule?
One kilojoule equals 0.23901 kilocalories. kcal = kJ × 0.2390057361.
How do you convert kilojoules to kilocalories?
Use kcal = kJ × 0.2390057361. So 10 kJ is 2.390057 kcal.
How many kilojoules are in one kilocalorie?
One kilocalorie equals 4.184 kilojoules, which is the reverse of the conversion above.
Is there more than one kind of kilocalorie?
The "calorie" on food labels.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked