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Microsieverts to Millisieverts Converter (µSv to mSv)

1 µSv = 0.001 mSv. Type any value to convert microsieverts to millisieverts.

1 µSv = 0.001 mSv

Formula: mSv = µSv × 0.001

Common values
Decimals
In every unit 5 units
Sievert (Sv) 0.000001 Sv
Millisievert (mSv) 0.001 mSv
Microsievert (µSv) 1 µSv
Rem (rem) 0.0001 rem
Millirem (mrem) 0.1 mrem

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If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Microsieverts to millisieverts table

Formula: mSv = µSv × 0.001

Microsievert (µSv)Millisievert (mSv)
0.1 µSv0.0001 mSv
0.25 µSv0.00025 mSv
0.5 µSv0.0005 mSv
1 µSv0.001 mSv
2 µSv0.002 mSv
3 µSv0.003 mSv
4 µSv0.004 mSv
5 µSv0.005 mSv
6 µSv0.006 mSv
7 µSv0.007 mSv
8 µSv0.008 mSv
9 µSv0.009 mSv
10 µSv0.01 mSv
12 µSv0.012 mSv
15 µSv0.015 mSv
20 µSv0.02 mSv
25 µSv0.025 mSv
30 µSv0.03 mSv
40 µSv0.04 mSv
50 µSv0.05 mSv
60 µSv0.06 mSv
75 µSv0.075 mSv
100 µSv0.1 mSv
150 µSv0.15 mSv
200 µSv0.2 mSv
250 µSv0.25 mSv
500 µSv0.5 mSv
1,000 µSv1 mSv

How to use: Microsieverts to Millisieverts

  1. 1 Type the value in microsieverts.
  2. 2 The result in millisieverts appears at once – or type in the millisieverts field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of equivalent dose.

About this tool

Microsievert (µSv) is a unit of equivalent dose (SI); 1 µSv = 0.000001 Sv. Millisievert (mSv) is a unit of equivalent dose (SI); 1 mSv = 0.001 Sv.

To convert microsieverts to millisieverts, multiply the value by 0.001 (mSv = µSv × 0.001). Example: 10 µSv = 0.01 mSv.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

How do I convert microsieverts to millisieverts?

To convert microsieverts to millisieverts, multiply the value by 0.001: mSv = µSv × 0.001. For example 10 µSv = 0.01 mSv.

What is 1 µSv in millisieverts?

1 µSv = 0.001 mSv. The other way round, 1 mSv = 1,000 µSv.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of equivalent dose here?

Yes – choose any of the 5 units of equivalent dose in the From and To lists, or switch to another measurement at the top.

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