Megacalories to Megajoules Converter
Convert megacalories (Mcal) to megajoules (MJ), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter an amount of energy, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 Mcal = 4.184 MJ
- 1 × 4.184 = 4.184 MJ
How to convert megacalories to megajoules
1 Mcal = 4.184 MJ, so multiply by 4.184 to go from megacalories to megajoules. Going the other way, 1 MJ = 0.239005736138 Mcal.
MJ = Mcal × 4.184 Mcal = MJ × 0.239005736138
Worked example:
1 Mcal = 4.184 MJ 5 × 4.184 = 20.92 MJ
Megacalories to megajoules table
| Megacalories | Megajoules |
|---|---|
| 1 Mcal | 4.184 MJ |
| 2 Mcal | 8.368 MJ |
| 3 Mcal | 12.552 MJ |
| 4 Mcal | 16.736 MJ |
| 5 Mcal | 20.92 MJ |
| 6 Mcal | 25.104 MJ |
| 7 Mcal | 29.288 MJ |
| 8 Mcal | 33.472 MJ |
| 9 Mcal | 37.656 MJ |
| 10 Mcal | 41.84 MJ |
| 15 Mcal | 62.76 MJ |
| 20 Mcal | 83.68 MJ |
| 25 Mcal | 104.6 MJ |
| 30 Mcal | 125.52 MJ |
| 40 Mcal | 167.36 MJ |
| 50 Mcal | 209.2 MJ |
| 75 Mcal | 313.8 MJ |
| 100 Mcal | 418.4 MJ |
| 250 Mcal | 1,046 MJ |
| 500 Mcal | 2,092 MJ |
| 1000 Mcal | 4,184 MJ |
About the units
- Megacalories (Mcal)
- Megacalories, a specialised unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.
- Megajoules (MJ)
- Megajoules, a metric unit. Definition: BIPM SI Brochure, 9th edition (SI units, prefixes and units accepted for use with the SI).
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