cal / MJ

Calorie to Megajoule converter

1 cal = 0.000004 MJ

This is the Calorie to Megajoule converter. The factor is fixed: 1 cal = 4.184e-06 MJ. Open a common amount below, or type any value — only selected amounts are indexed.

Common values

megajoule to calorie 2 calories in megajoule 5 calories in megajoule 10 calories in megajoule 20 calories in megajoule 25 calories in megajoule 50 calories in megajoule 75 calories in megajoule 100 calories in megajoule 120 calories in megajoule 150 calories in megajoule

Same amount, other units

1 calorie → kcal 1 calorie → BTU 1 calorie → kJ 1 calorie → kWh

Formula: calorie to megajoule

MJ = cal × 0.000004 (1 CAL = 0.000004 MJ)

Reference values: calorie → megajoule

cal	MJ
1 cal	0.000004 MJ
100 cal	0.000418 MJ
200 cal	0.000837 MJ
500 cal	0.002092 MJ
1000 cal	0.004184 MJ
2000 cal	0.008368 MJ

Common conversions

1 cal → 0.000004 MJ 2 cal → 0.000008 MJ 5 cal → 0.000021 MJ 10 cal → 0.000042 MJ 20 cal → 0.000084 MJ 25 cal → 0.000105 MJ 50 cal → 0.000209 MJ 75 cal → 0.000314 MJ 100 cal → 0.000418 MJ 120 cal → 0.000502 MJ 150 cal → 0.000628 MJ 200 cal → 0.000837 MJ

FAQ for cal → MJ

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 = cal × 0.000004 (1 CAL = 0.000004 MJ)

Reverse factor?

1 megajoule ≈ 239005.736138 calorie.

How much is 1 calorie in megajoule?

0.000004 megajoule (1 calorie = 0.000004 megajoule).

How many kJ in 1 MJ?

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

How the Calorie to Megajoule converter works

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

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