ENERGY CONVERSION

Kilojoule to Kilocalorie.

Convert kilojoule (kJ) to kilocalorie (kcal), with the math explained.

Energy converter
kJ
0.2390057361kcal
THE RESULT

1 kJ = 0.2390057361 kcal

Calculated in your browserFormula & conversion table

THE MATH, MADE SIMPLE

How to convert kilojoule to kilocalorie

Multiply your kilojoule value by 0.239005736138 to get the equivalent in kilocalorie. Both units are normalized through the joule.

CONVERSION FORMULAkcal = kJ × 0.2390057361
WORKED EXAMPLE

10 kJ = 2.39005736138 kcal

Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.

QUICK REFERENCE

kJ to kcal conversion table

Reverse
Kilojoule (kJ)Kilocalorie (kcal)
1 kJ0.239005736138 kcal
2 kJ0.478011472275 kcal
5 kJ1.19502868069 kcal
10 kJ2.39005736138 kcal
20 kJ4.78011472275 kcal
50 kJ11.9502868069 kcal
100 kJ23.9005736138 kcal
500 kJ119.502868069 kcal
1,000 kJ239.005736138 kcal
kJ

About the kilojoule

The kilojoule (kJ) is a unit of energy. One kilojoule equals 1,000 joule (base unit) in this calculator.

All kilojoule conversions
kcal

About the kilocalorie

The kilocalorie (kcal) is a unit of energy. One kilocalorie equals 4,184 joule (base unit) in this calculator.

All kilocalorie conversions

Common questions

What is 1 kJ in kcal?

One kilojoule equals 0.239005736138 kcal. Use the formula above for other values.

Why might another calculator show a different last digit?

Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.

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