Convert 1 Millijoule to Megajoule (1 mJ to MJ)
Looking to convert 1 millijoule (mJ) to megajoule (MJ)? This page provides the accurate result and a detailed explanation of how the conversion is done. Use this information to understand the relationship between Millijoule and Megajoule and how to calculate conversions manually or using online tools.

Looking to convert 1 millijoule (mJ) to megajoule (MJ)? This page provides the accurate result and a detailed explanation of how the conversion is done. Use this information to understand the relationship between Millijoule and Megajoule and how to calculate conversions manually or using online tools.
What is Millijoule to Megajoule Conversion?
Millijoule (mJ) and megajoule (MJ) are both units used to measure energy, but they serve different purposes depending on the scale of the measurement. If you ever need to convert millijoule to megajoule, knowing the exact conversion formula is essential.
MJ to mj Conversion Formula:
One Millijoule is equal to 1e-9 Megajoule.
Formula: 1 mJ = 1e-9 MJ
By using this conversion factor, you can easily convert any energy from millijoule to megajoule with precision.
Convert 1 Millijoule to Megajoule
To convert 1 millijoule to megajoule, multiply the value by 1e-9 since:
1 millijoule = 1e-9 megajoule
So:
1 × 1e-9 = 1e-9
Result: 1 millijoule = 1e-9 megajoule
Reverse Conversion
Need the reverse result? You can also convert megajoule back to millijoule by dividing 1e-9:
1e-9 megajoule ÷ 1e-9 = 1 millijoule
For more, visit: Megajoule to Millijoule
Explore Related Conversion Tool
This page focuses specifically on converting 1 Millijoule to Megajoule. If you're looking to convert a different value, you can use our general conversion tool:
Frequently Asked Questions
What is 1 millijoule in megajoule?
1 millijoule is equal to 1e-9 megajoule.
How do I convert millijoule to megajoule?
Multiply the value in millijoule by 1e-9 to get the equivalent in megajoule.