Convert Millisievert to Rem
Type the number of millisieverts that you wish to convert to rem.
How to Convert Millisieverts to Rem
The millisievert and rem are both units of radiation dose. By definition, 1 rem equals exactly 10 millisieverts. This means to convert millisieverts to rem, you divide by 10.
Formula
Step-by-Step Example
Convert 5 mSv to rem:
We need to convert millisieverts to rem
Since 1 rem = 10 mSv, divide by 10
5 ÷ 10 = 0.5
5 mSv = 0.5 rem
Millisievert to Rem Conversion Table
Quick reference table for common millisievert to rem conversions. Click any value for detailed calculation.
| Millisieverts (mSv) | Rem (rem) |
|---|---|
| 1 mSv | 0.1 rem |
| 2 mSv | 0.2 rem |
| 5 mSv | 0.5 rem |
| 10 mSv | 1 rem |
| 15 mSv | 1.5 rem |
| 20 mSv | 2 rem |
| 25 mSv | 2.5 rem |
| 50 mSv | 5 rem |
| 100 mSv | 10 rem |
About These Units
Millisievert (mSv)
A millisievert (mSv) equals 0.001 sieverts or 100 mrem. Natural background: 2-3 mSv/year. CT scan: 2-15 mSv. Annual occupational limit: 20-50 mSv (varies by country). Single dose above 100 mSv increases cancer risk slightly.
Rem (rem)
The rem (Roentgen Equivalent Man) is the traditional unit of equivalent dose. One sievert = 100 rem exactly. Still used in US nuclear industry and regulations. Annual occupational limit: 5 rem/year. Natural background: 0.3 rem/year. Acute 450 rem ≈ LD50.
Frequently Asked Questions
How do I convert millisieverts to rem?
To convert millisieverts to rem, divide the value by 10. For example, 10 mSv = 1 rem.
How many rem are in 1 millisievert?
1 millisievert equals 0.1 rem.
What is the formula for millisieverts to rem?
The formula is: rem = mSv ÷ 10.