Joule to Kilocalorie
1 J = 0.000239 kcal
One joule equals 0.000239 kilocalories, and one kilocalorie equals 4,184 joules.
Joule to Kilocalorie formula
kcal = J × 0.00023900574
To convert joules to kilocalories, multiply the value by 0.00023900574. One joule equals 0.000239 kilocalories.
Step-by-step examples
Convert 1 joules to kilocalories
- 1Start with the value in joules: 1 J.
- 2Multiply by the conversion factor 0.00023900574.
- 31 × 0.00023900574 = 0.000239 kcal.
Result: 1 J = 0.000239 kcal
Convert 10 joules to kilocalories
- 1Start with the value in joules: 10 J.
- 2Multiply by the conversion factor 0.00023900574.
- 310 × 0.00023900574 = 0.00239 kcal.
Result: 10 J = 0.00239 kcal
Convert 100 joules to kilocalories
- 1Start with the value in joules: 100 J.
- 2Multiply by the conversion factor 0.00023900574.
- 3100 × 0.00023900574 = 0.023901 kcal.
Result: 100 J = 0.023901 kcal
Joule to Kilocalorie conversion table
Joule to Kilocalorie chart
J (horizontal) vs kcal (vertical)
Batch convert — paste multiple values
Related converters
Reverse: Kilocalorie to JouleConvert from the same unit
Convert to the same unit
Frequently asked questions
How many kilocalories are in a joule?
There are 0.000239 kilocalories in one joule (1 J = 0.000239 kcal).
How do you convert joules to kilocalories?
To convert joules to kilocalories, multiply the value by 0.00023900574. One joule equals 0.000239 kilocalories.
What is 10 joules in kilocalories?
10 joules equals 0.00239 kilocalories.
How many joules are in a kilocalorie?
One kilocalorie equals 4,184 joules (1 kcal = 4,184 J).