Megacalories to Kilojoules Converter
Convert megacalories (Mcal) to kilojoules (kJ), 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 = 4184 kJ
- 1 × 4184 = 4184 kJ
How to convert megacalories to kilojoules
1 Mcal = 4,184 kJ, so multiply by 4,184 to go from megacalories to kilojoules. Going the other way, 1 kJ = 0.000239005736138 Mcal.
kJ = Mcal × 4,184 Mcal = kJ × 0.000239005736138
Worked example:
1 Mcal = 4184 kJ 5 × 4184 = 20920 kJ
Megacalories to kilojoules table
| Megacalories | Kilojoules |
|---|---|
| 1 Mcal | 4,184 kJ |
| 2 Mcal | 8,368 kJ |
| 3 Mcal | 12,552 kJ |
| 4 Mcal | 16,736 kJ |
| 5 Mcal | 20,920 kJ |
| 6 Mcal | 25,104 kJ |
| 7 Mcal | 29,288 kJ |
| 8 Mcal | 33,472 kJ |
| 9 Mcal | 37,656 kJ |
| 10 Mcal | 41,840 kJ |
| 15 Mcal | 62,760 kJ |
| 20 Mcal | 83,680 kJ |
| 25 Mcal | 104,600 kJ |
| 30 Mcal | 125,520 kJ |
| 40 Mcal | 167,360 kJ |
| 50 Mcal | 209,200 kJ |
| 75 Mcal | 313,800 kJ |
| 100 Mcal | 418,400 kJ |
| 250 Mcal | 1,046,000 kJ |
| 500 Mcal | 2,092,000 kJ |
| 1000 Mcal | 4,184,000 kJ |
About the units
- Megacalories (Mcal)
- Megacalories, a specialised unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.
- Kilojoules (kJ)
- Kilojoules, a metric unit. Definition: BIPM SI Brochure, 9th edition (SI units, prefixes and units accepted for use with the SI).
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