Convert μSv to mSv
Type the number of microsieverts that you wish to convert to millisieverts.
How to Convert Microsieverts to Millisieverts
The microsievert and millisievert are both units of radiation dose. By definition, 1 millisievert equals exactly 1000 microsieverts. This means to convert microsieverts to millisieverts, you divide by 1000.
Formula
Step-by-Step Example
Convert 5 μSv to millisieverts:
We need to convert microsieverts to millisieverts
Since 1 mSv = 1000 μSv, divide by 1000
5 ÷ 1000 = 0.005
5 μSv = 0.005 mSv
Microsievert to Millisievert Conversion Table
Quick reference table for common microsievert to millisievert conversions. Click any value for detailed calculation.
| Microsieverts (μSv) | Millisieverts (mSv) |
|---|---|
| 0.1 μSv | 1e-4 mSv |
| 0.5 μSv | 0.0005 mSv |
| 1 μSv | 0.001 mSv |
| 2 μSv | 0.002 mSv |
| 5 μSv | 0.005 mSv |
| 10 μSv | 0.01 mSv |
| 25 μSv | 0.025 mSv |
| 50 μSv | 0.05 mSv |
| 100 μSv | 0.1 mSv |
About These Units
Microsievert (μSv)
A microsievert (μSv) equals 0.001 mSv or 0.1 mrem. Common exposures: dental X-ray ~5 μSv, chest X-ray 20 μSv, transatlantic flight 40-80 μSv, banana (K-40) 0.1 μSv. Most radiation meters display μSv/h for environmental monitoring.
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.
Frequently Asked Questions
How do I convert microsieverts to millisieverts?
To convert microsieverts to millisieverts, divide the value by 1000. For example, 10 μSv = 0.01 mSv.
How many millisieverts are in 1 microsievert?
1 microsievert equals 0.001 millisieverts.
What is the formula for microsieverts to millisieverts?
The formula is: mSv = μSv ÷ 1000.