J / kcal

Joule to Kilocalorie converter

1 J = 0.000239 kcal

This is the Joule to Kilocalorie converter. The factor is fixed: 1 J = 0.0002390057361376673 kcal. Open a common amount below, or type any value — only selected amounts are indexed.

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. Pages like 1, 10 or 100 Joule answer exact searches.

NiftyRecipe uses thermochemical energy factors (for example 1 kcal = 4184 J). Results do not change with the time of day.