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Energy
Kilocalories to Megajoules
Convert kilocalories (kcal) to megajoules (MJ). Type a value below to see the result update instantly. Reference table and formula included.
Calculator
1 kcal = 0.004184 MJ
Kilocalories to Megajoules Conversion Table
Common values, ready to copy:
| kilocalories | megajoules |
|---|---|
| 1 kcal | 0.004184 MJ |
| 2 kcal | 0.008368 MJ |
| 5 kcal | 0.02092 MJ |
| 10 kcal | 0.04184 MJ |
| 25 kcal | 0.1046 MJ |
| 50 kcal | 0.2092 MJ |
| 100 kcal | 0.4184 MJ |
| 1,000 kcal | 4.184 MJ |
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Formula
megajoules = kilocalories × 0.004184
Energy uses the SI joule. Food calories (kcal) are 1,000 small calories: 1 kcal = 4,184 J. 1 kWh = 3.6 MJ = 3,600,000 J. 1 BTU = 1,055.06 J.
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