Kilojoules to Megajoules Converter
Convert kilojoules (kJ) 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 kJ = 0.001 MJ
- 1 × 0.001 = 0.001 MJ
How to convert kilojoules to megajoules
1 kJ = 0.001 MJ, so multiply by 0.001 to go from kilojoules to megajoules. Going the other way, 1 MJ = 1,000 kJ.
MJ = kJ × 0.001 kJ = MJ × 1,000
Worked example:
1 kJ = 0.001 MJ 5 × 0.001 = 0.005 MJ
Kilojoules to megajoules table
| Kilojoules | Megajoules |
|---|---|
| 1 kJ | 0.001 MJ |
| 2 kJ | 0.002 MJ |
| 3 kJ | 0.003 MJ |
| 4 kJ | 0.004 MJ |
| 5 kJ | 0.005 MJ |
| 6 kJ | 0.006 MJ |
| 7 kJ | 0.007 MJ |
| 8 kJ | 0.008 MJ |
| 9 kJ | 0.009 MJ |
| 10 kJ | 0.01 MJ |
| 15 kJ | 0.015 MJ |
| 20 kJ | 0.02 MJ |
| 25 kJ | 0.025 MJ |
| 30 kJ | 0.03 MJ |
| 40 kJ | 0.04 MJ |
| 50 kJ | 0.05 MJ |
| 75 kJ | 0.075 MJ |
| 100 kJ | 0.1 MJ |
| 250 kJ | 0.25 MJ |
| 500 kJ | 0.5 MJ |
| 1000 kJ | 1 MJ |
About the units
- Kilojoules (kJ)
- Kilojoules, a metric unit. Definition: BIPM SI Brochure, 9th edition (SI units, prefixes and units accepted for use with the SI).
- 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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