Millijoules to Kilojoules Converter
EngineeringJoules, calories, kilowatt-hours and more.
How to convert Millijoules to Kilojoules
Multiply the millijoules value by 1e-6: 1 mJ = 1e-6 kJ. Going the other way, 1 kJ = 1e+6 mJ, so divide by 1e-6 or use the Kilojoules to Millijoules converter.
About these units
Kilojoules (kJ)
A kilojoule is 1,000 joules. Food energy is labelled in kilojoules in many countries; 1 kJ is about 0.239 kilocalories.
Millijoules to Kilojoules conversion table
| Millijoules (mJ) | Kilojoules (kJ) |
|---|---|
| 1 mJ | 1e-6 kJ |
| 2 mJ | 2e-6 kJ |
| 3 mJ | 3e-6 kJ |
| 4 mJ | 4e-6 kJ |
| 5 mJ | 5e-6 kJ |
| 10 mJ | 1e-5 kJ |
| 20 mJ | 2e-5 kJ |
| 25 mJ | 2.5e-5 kJ |
| 50 mJ | 5e-5 kJ |
| 100 mJ | 0.0001 kJ |
| 500 mJ | 0.0005 kJ |
| 1,000 mJ | 0.001 kJ |
More millijoules conversions
- Millijoules to Joules1 mJ = 0.001 J
- Millijoules to Megajoules1 mJ = 1e-9 MJ
- Millijoules to Gigajoules1 mJ = 1e-12 GJ
- Millijoules to Microjoules1 mJ = 1,000 µJ
- Millijoules to Nanojoules1 mJ = 1e+6 nJ
- Millijoules to Calories1 mJ = 0.000239006 cal
- Millijoules to Watt Hours1 mJ = 2.7778e-7 Wh
- Millijoules to British Thermal Units1 mJ = 9.4781e-7 BTU
- Millijoules to Ergs1 mJ = 10,000 erg
See every unit on the Energy Converter.