Convert Microsievert to Millisievert
Live bidirectional calculator for Microsieverts (μSv) and Millisieverts (mSv) with verified formula and conversion charts.
Equivalent Radiation Dose4 units
How the Calculation Works (Linear Scaling)
Since 1 Millisievert = 1000 Microsieverts, divide the value in Microsieverts by 1000.
Microsievert to Millisievert Conversion Table
Precomputed values for quick reference and printing.
| Microsievert | Millisievert |
|---|---|
| 1 μSv | 0.001 mSv |
| 2 μSv | 0.002 mSv |
| 3 μSv | 0.003 mSv |
| 4 μSv | 0.004 mSv |
| 5 μSv | 0.005 mSv |
| 6 μSv | 0.006 mSv |
| 7 μSv | 0.007 mSv |
| 8 μSv | 0.008 mSv |
| 9 μSv | 0.009 mSv |
| 10 μSv | 0.01 mSv |
| 15 μSv | 0.015 mSv |
| 20 μSv | 0.02 mSv |
| 25 μSv | 0.025 mSv |
| 30 μSv | 0.03 mSv |
| 40 μSv | 0.04 mSv |
| 50 μSv | 0.05 mSv |
| 75 μSv | 0.075 mSv |
| 100 μSv | 0.1 mSv |
| Millisievert | Microsievert |
|---|---|
| 1 mSv | 1000 μSv |
| 2 mSv | 2000 μSv |
| 3 mSv | 3000 μSv |
| 4 mSv | 4000 μSv |
| 5 mSv | 5000 μSv |
| 6 mSv | 6000 μSv |
| 7 mSv | 7000 μSv |
| 8 mSv | 8000 μSv |
| 9 mSv | 9000 μSv |
| 10 mSv | 10000 μSv |
| 15 mSv | 15000 μSv |
| 20 mSv | 20000 μSv |
| 25 mSv | 25000 μSv |
| 30 mSv | 30000 μSv |
| 40 mSv | 40000 μSv |
| 50 mSv | 50000 μSv |
| 75 mSv | 75000 μSv |
| 100 mSv | 100000 μSv |
About Microsievert (μSv)
One millionth of a sievert (10⁻⁶ Sv).
History: Fine submultiple used for personal electronic dosimeter readouts and environmental radiation rate meters.
Common Uses: Commercial airline flight radiation exposure (~3–5 μSv/hour at cruising altitude), dental panoramic X-ray (~10 μSv), personal dosimeter alarms.
About Millisievert (mSv)
One thousandth of a sievert (10⁻³ Sv).
History: The standard everyday operational unit in health physics and international radiation protection.
Common Uses: Annual natural background radiation dose (~2.4–3.0 mSv/year), occupational dose limit (typically 20 mSv/year averaged over 5 years), full-body CT scan (~10–15 mSv).
❓ Frequently Asked Questions
How many Millisieverts are in 1 Microsievert?
There are exactly 0.001 Millisieverts in 1 Microsievert (1 μSv = 0.001 mSv).
What is the formula to convert Microsievert to Millisievert?
The formula is: Millisievert = Microsievert / 1000. Since 1 Millisievert = 1000 Microsieverts, divide the value in Microsieverts by 1000.
How do I convert 1 μSv to mSv manually?
To convert 1 μSv to mSv: apply the formula Millisievert = Microsievert / 1000. Substituting gives: 1 / 1000 = 0.001 mSv.