Kilocalories to Megajoules

Convert kilocalories (kcal) to megajoules (MJ) with formulas, examples, and conversion tables.

kcal
MJ
1 kcal = 0.004184 MJ
Full precision:0.004184 MJ
Step-by-Step Solution

To convert 1 kilocalories to megajoules, we divide by 239.006 because one megajoule equals exactly 239.006 kilocalories.

1 megajoule = 239.006 kilocalories

Since there are 239.006 kilocalories in every megajoule, we divide our value by this factor:

1 ÷ 239.006 = 0.004184 megajoules

So 1 kilocalories = 0.004184 megajoules.

Quick check: 0.004184 × 239.006 = 1 kilocalories

How to Convert Kilocalories to Megajoules

To convert kilocalories to megajoules, divide the value by 239.006.

The Formula

Megajoules = Kilocalories ÷ 239.006

Key Fact

1 megajoule = 239.006 kilocalories

Tip: To convert megajoules back to kilocalories, multiply by 239.006.

Example Conversions

Example 1: 1 kcal = 0.004184 MJ
1 ÷ 239.006 = 0.004184
Example 2: 5 kcal = 0.02092 MJ
5 ÷ 239.006 = 0.02092
Example 3: 10 kcal = 0.04184 MJ
10 ÷ 239.006 = 0.04184

Kilocalories to Megajoules Table

KilocaloriesMegajoules
1 kcal0.004184 MJ
2 kcal0.008368 MJ
5 kcal0.02092 MJ
10 kcal0.04184 MJ
20 kcal0.08368 MJ
25 kcal0.1046 MJ
50 kcal0.2092 MJ
100 kcal0.4184 MJ
250 kcal1.046 MJ
500 kcal2.092 MJ
1000 kcal4.184 MJ

1 Kilocalorie in Other Units

Unit1 kcal =
Kilocalories to Joules4184 J
Kilocalories to Kilojoules4.184 kJ
Kilocalories to Megajoules0.004184 MJ
Kilocalories to Gigajoules0.00000418 GJ
Kilocalories to Watt-hours1.1622 Wh
Kilocalories to Kilowatt-hours0.0011622 kWh
Kilocalories to Megawatt-hours0.00000116 MWh
Kilocalories to Calories1000 cal
Kilocalories to BTU3.9657 BTU
Kilocalories to Therms0.00003966 therm
Kilocalories to Foot-pounds3085.96 ft·lb
Kilocalories to Electronvolts2.6114e+22 eV
Kilocalories to Ergs4.184e+10 erg

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