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