ConvertNavi

Kilocalorie (food calorie) to Megajoule (kcal → MJ)

Convert kilocalorie (food calorie) to megajoule instantly. The conversion factor below is exact by international definition.

Realtime·energy·metric
Exact
kcal
× 0.0042
MJ
0.004184
Precision [auto]
6

📐kcal to MJ formulaExact

MJ = kcal × 0.004184
Inverse: kcal = MJ × 239.005736137667

Worked example: 1 kcal = 0.004184 MJ

ℹ️About these units

Kilocalorie (food calorie) (kcal)
Nutrition labels in the US and worldwide as "Calorie".
Megajoule (MJ)

📊Reference table: kcal → MJ

Kilocalorie (food calorie) (kcal)Megajoule (MJ)
10.004184
20.008368
50.02092
100.04184
150.06276
200.08368
250.1046
500.2092
1000.4184
2501.046
5002.092
7503.138
1,0004.184

Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.

🔁Reverse & related

Reverse: MJ → kcalkcal → kJkcal → Jkcal → GJkcal → calkcal → Whkcal → kWhkcal → MWhkcal → BTU

🔌API & widget

GET https://convertnavi.com/api/v1/convert?value=10&from=kilocalorie&to=megajoule
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