MJ to kJ
1 MJ (MJ) equals 1,000 kJ (kJ). Type a value into either box below for an instant two-way conversion. For other units, use the full unit converter.
Chinese version: 兆焦转千焦
Conversion factor
1 MJ = 1,000 kJ
Reverse: 1 kJ = 0.001 MJ
MJ to kJ converter
MJ（MJ）
kJ（kJ）
MJ to kJ conversion table
| MJ | kJ | Detail |
|---|---|---|
| 0.1 | 100 | 0.1 MJ to kJ |
| 0.5 | 500 | 0.5 MJ to kJ |
| 1 | 1,000 | 1 MJ to kJ |
| 2 | 2,000 | 2 MJ to kJ |
| 5 | 5,000 | 5 MJ to kJ |
| 10 | 10,000 | 10 MJ to kJ |
| 50 | 50,000 | 50 MJ to kJ |
| 100 | 100,000 | 100 MJ to kJ |
How to convert
To convert MJ to kJ, multiply: kJ = MJ × 1,000
To convert kJ to MJ, divide: MJ = kJ ÷ 1,000 (equivalently × 0.001).
Example: 1 MJ × 1,000 = 1,000 kJ. The factor is derived from the international definition of each unit; results are shown to 4 significant figures.
Frequently asked questions
1 MJ = 1,000 kJ. The formula is: value in MJ × 1,000 = value in kJ. Use the converter above to convert any value instantly.
1 kJ = 0.001 MJ. To convert back, divide the kJ value by 1,000 (or multiply by 0.001).
kJ = MJ × 1,000; conversely MJ = kJ ÷ 1,000. For example, 1 MJ × 1,000 = 1,000 kJ. The factor comes from the international definition of the units.
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Disclaimer: conversion factors are derived from international unit definitions and results are for reference only. For trade settlement, engineering or legal documents, follow the contract or official metrology standards.