Table Of Contents
Megajoule to joules Conversion
1 megajoule (MJ) is equal to 1000000 joules (joule).
1 MJ = 1000000 joule
or
1 joule = 0.000001 MJ
Formula
To convert a energy from megajoule (MJ) to joules (joule), multiply the energy in megajoule by 1000000
e(joule) = e(MJ) × 1000000
Examples:
Convert 50 megajoule to joules:
e(joule) = 50MJ × 1000000 = 50000000 joule
Conversion table
| Megajoule (MJ) | Joules (joule) |
|---|---|
| 1 MJ | 1000000 joule |
| 2 MJ | 2000000 joule |
| 3 MJ | 3000000 joule |
| 5 MJ | 5000000 joule |
| 10 MJ | 10000000 joule |
| 20 MJ | 20000000 joule |
| 25 MJ | 25000000 joule |
| 50 MJ | 50000000 joule |
| 100 MJ | 100000000 joule |
| 250 MJ | 250000000 joule |
| 500 MJ | 500000000 joule |
| 1000 MJ | 1e9 joule |
| Joules (joule) | Megajoule (MJ) |
|---|---|
| 1 joule | 1e-6 MJ |
| 2 joule | 2e-6 MJ |
| 3 joule | 3e-6 MJ |
| 5 joule | 5e-6 MJ |
| 10 joule | 1e-5 MJ |
| 20 joule | 2e-5 MJ |
| 25 joule | 2.5e-5 MJ |
| 50 joule | 5e-5 MJ |
| 100 joule | 1.0e-4 MJ |
| 250 joule | 2.5e-4 MJ |
| 500 joule | 5.0e-4 MJ |
| 1000 joule | 0.001 MJ |
Frequently asked questions
How do I convert megajoule to joules?
Multiply the value in megajoule by 1000000 to get the result in joules. For example, 5 MJ × 1000000 = 5000000 joule.
How many joules are in 1 megajoule?
1 megajoule (MJ) is equal to 1000000 joules (joule).
How do I convert joules back to megajoule?
Use the inverse operation: divide the value in joules by 1000000 to get the result in megajoule.
How accurate is the megajoule to joules conversion?
The converter multiplies by the conversion factor 1000000 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
- BIPM — The International System of Units (SI Brochure, 9th edition)
- NIST Guide to the SI, Appendix B.8: Factors for Units Listed Alphabetically (NIST SP 811, 2008 edition)
- NIST Guide to the SI (SP 811), Footnotes (notes 22 and 23)
- CODATA Value: electron volt-joule relationship (NIST Fundamental Physical Constants)