Table Of Contents
Microsievert to millisievert Conversion
1 microsievert (µSv) is equal to 0.001 millisievert (mSv).
1 µSv = 0.001 mSv
or
1 mSv = 1000 µSv
Formula
To convert a equivalent dose from microsievert (µSv) to millisievert (mSv), divide the equivalent dose in microsievert by 1000
e(mSv) = e(µSv) / 1000
Examples:
Convert 250 microsievert to millisievert:
e(mSv) = 250µSv / 1000 = 0.25 mSv
Conversion table
| Microsievert (µSv) | Millisievert (mSv) |
|---|---|
| 1 µSv | 0.001 mSv |
| 2 µSv | 0.002 mSv |
| 3 µSv | 0.003 mSv |
| 5 µSv | 0.005 mSv |
| 10 µSv | 0.01 mSv |
| 20 µSv | 0.02 mSv |
| 25 µSv | 0.025 mSv |
| 50 µSv | 0.05 mSv |
| 100 µSv | 0.1 mSv |
| 250 µSv | 0.25 mSv |
| 500 µSv | 0.5 mSv |
| 1000 µSv | 1 mSv |
| Millisievert (mSv) | Microsievert (µSv) |
|---|---|
| 1 mSv | 1000 µSv |
| 2 mSv | 2000 µSv |
| 3 mSv | 3000 µSv |
| 5 mSv | 5000 µSv |
| 10 mSv | 10000 µSv |
| 20 mSv | 20000 µSv |
| 25 mSv | 25000 µSv |
| 50 mSv | 50000 µSv |
| 100 mSv | 100000 µSv |
| 250 mSv | 250000 µSv |
| 500 mSv | 500000 µSv |
| 1000 mSv | 1000000 µSv |
Frequently asked questions
How do I convert microsievert to millisievert?
Divide the value in microsievert by 1000 to get the result in millisievert. For example, 5 µSv ÷ 1000 = 0.005 mSv.
How many millisievert are in 1 microsievert?
1 microsievert (µSv) is equal to 0.001 millisievert (mSv).
How do I convert millisievert back to microsievert?
Use the inverse operation: multiply the value in millisievert by 1000 to get the result in microsievert.
How accurate is the microsievert to millisievert conversion?
The converter multiplies by the conversion factor 1000 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:
