Convert microsieverts to millisieverts
1 µSv = 0.001 mSv — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
0.001mSv
As a fraction: 1/1000
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1 µSv = 0.001 mSv
Show this value in all 7 equivalent dose units
- Sieverts Sv 0.000 001
- Millisieverts mSv 0.001
- Microsieverts µSv 1
- Nanosieverts nSv 1000
- Rems rem 0.0001
- Millirems mrem 0.1
- Microrems µrem 100
Every row is Microsievert (µSv) converted through the sievert, in exact rational arithmetic.
How to convert microsieverts to millisieverts
Multiply the number of microsieverts by 0.001 to get millisieverts.
The exact factor is 0.001 — as a fraction, 1/1000.
Microsievert to Millisievert conversion table
| Microsieverts (µSv) | Millisieverts (mSv) |
|---|---|
| 1 µSv | 0.001 |
| 2 µSv | 0.002 |
| 3 µSv | 0.003 |
| 5 µSv | 0.005 |
| 10 µSv | 0.01 |
| 20 µSv | 0.02 |
| 25 µSv | 0.025 |
| 50 µSv | 0.05 |
| 100 µSv | 0.1 |
| 250 µSv | 0.25 |
| 500 µSv | 0.5 |
| 1000 µSv | 1 |
Millisievert to Microsievert conversion table
| Millisieverts (mSv) | Microsieverts (µSv) |
|---|---|
| 1 mSv | 1000 |
| 2 mSv | 2000 |
| 3 mSv | 3000 |
| 5 mSv | 5000 |
| 10 mSv | 10 000 |
| 20 mSv | 20 000 |
| 25 mSv | 25 000 |
| 50 mSv | 50 000 |
| 100 mSv | 100 000 |
| 250 mSv | 250 000 |
| 500 mSv | 500 000 |
| 1000 mSv | 1 000 000 |
Frequently asked
How many millisieverts are in a microsievert?
One microsievert equals 0.001 millisieverts (µSv → mSv). That figure is exact, not rounded.
How do you convert microsieverts to millisieverts?
Multiply the number of microsieverts by 0.001 to get millisieverts.
What is 1 mSv in microsieverts?
One millisievert is 1000 microsieverts.
What is 10 µSv in mSv?
10 µSv = 0.01 mSv.