NiftyRecipe Online energy conversion
kWh/kJ 3600 cal/kWh 0.000001 MJ/kcal 239.005736 BTU/kJ 1.055056 kcal/BTU 3.965667 kJ/kWh 0.000278
kcal / MJ

Kilocalorie to Megajoule converter

1 kcal = 0.004184 MJ

This is the Kilocalorie to Megajoule converter. The factor is fixed: 1 kcal = 0.004184 MJ. Open a common amount below, or type any value — only selected amounts are indexed.

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

Formula: kilocalorie to megajoule

MJ = kcal × 0.004184 (1 KCAL = 0.004184 MJ)

Reference values: kilocalorie → megajoule
kcal MJ
1 kcal 0.004184 MJ
100 kcal 0.4184 MJ
200 kcal 0.8368 MJ
500 kcal 2.092 MJ
1000 kcal 4.184 MJ
2000 kcal 8.368 MJ
Common conversions
FAQ for kcal → MJ
Reverse factor?

1 megajoule ≈ 239.005736 kilocalorie.

How much is 1 kilocalorie in megajoule?

0.004184 megajoule (1 kilocalorie = 0.004184 megajoule).

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?

MJ = kcal × 0.004184 (1 KCAL = 0.004184 MJ)

How the Kilocalorie to Megajoule converter works

This hub describes the pair, not a single number. Pages like 1, 10 or 100 Kilocalorie answer exact searches.

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