NiftyRecipe Online energy conversion
MJ/kWh 0.277778 kJ/kcal 0.239006 MJ/cal 239005.736138 cal/kJ 0.004184 kJ/kWh 0.000278 BTU/kJ 1.055056
J / kcal

Joule to Kilocalorie converter

1 J = 0.000239 kcal

This is the Joule to Kilocalorie converter. 1 J = 0.0002390057361376673 kcal.

Enter a value and click Calculate - opens the page with the new result

Common values

kilocalorie to joule

Same amount, other units

1 joule → kJ

Related converters

J → kJ
Formula: joule to kilocalorie

kcal = J × 0.000239 (1 J = 0.000239 KCAL)

Reference values: joule → kilocalorie
J kcal
1 J 0.000239 kcal
100 J 0.023901 kcal
200 J 0.047801 kcal
500 J 0.119503 kcal
1000 J 0.239006 kcal
2000 J 0.478011 kcal
Common conversions
1 J → 0.000239 kcal
FAQ for J → kcal
How much is 1 joule in kilocalorie?

0.000239 kilocalorie (1 joule = 0.000239 kilocalorie).

How many kJ in 1 MJ?

Exactly 1000 kJ. Larger or mixed conversions still follow the fixed chain used by the calculator.

When is MJ more practical than kJ?

For larger totals-process energy, some statistical tables. Food labels usually stay in kJ or kcal.

Manual formula?

kcal = J × 0.000239 (1 J = 0.000239 KCAL)

Reverse factor?

1 kilocalorie ≈ 4184 joule.

How the Joule to Kilocalorie converter works

This hub describes the pair, not a single number.

NiftyRecipe shows the factor and selected amount pages.