Convert joules to megajoules
1 J = 0.000001 MJ — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
0.000 001MJ
Exact decimal: 0.000001
As a fraction: 1/1000000
1 J = 0.000001 MJ
How to convert joules to megajoules
Multiply the number of joules by 0.000001 to get megajoules.
The exact factor is 0.000001 — as a fraction, 1/1000000.
Joule to Megajoule conversion table
| Joules (J) | Megajoules (MJ) |
|---|---|
| 1 J | 0.000 001 |
| 2 J | 0.000 002 |
| 3 J | 0.000 003 |
| 5 J | 0.000 005 |
| 10 J | 0.000 01 |
| 20 J | 0.000 02 |
| 25 J | 0.000 025 |
| 50 J | 0.000 05 |
| 100 J | 0.0001 |
| 250 J | 0.000 25 |
| 500 J | 0.0005 |
| 1000 J | 0.001 |
Megajoule to Joule conversion table
| Megajoules (MJ) | Joules (J) |
|---|---|
| 1 MJ | 1 000 000 |
| 2 MJ | 2 000 000 |
| 3 MJ | 3 000 000 |
| 5 MJ | 5 000 000 |
| 10 MJ | 10 000 000 |
| 20 MJ | 20 000 000 |
| 25 MJ | 25 000 000 |
| 50 MJ | 50 000 000 |
| 100 MJ | 100 000 000 |
| 250 MJ | 250 000 000 |
| 500 MJ | 500 000 000 |
| 1000 MJ | 1 000 000 000 |
Frequently asked
How many megajoules are in a joule?
One joule equals 0.000001 megajoules (J → MJ). That figure is exact, not rounded.
How do you convert joules to megajoules?
Multiply the number of joules by 0.000001 to get megajoules.
What is 1 MJ in joules?
One megajoule is 1000000 joules.
What is 10 J in MJ?
10 J = 0.000 01 MJ.