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Millisieverts to Microsieverts Converter (mSv to µSv)

1 mSv = 1,000 µSv. Type any value to convert millisieverts to microsieverts.

1 mSv = 1,000 µSv

Formula: µSv = mSv × 1,000

Common values
Decimals
In every unit 5 units
Sievert (Sv) 0.001 Sv
Millisievert (mSv) 1 mSv
Microsievert (µSv) 1,000 µSv
Rem (rem) 0.1 rem
Millirem (mrem) 100 mrem

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Millisieverts to microsieverts table

Formula: µSv = mSv × 1,000

Millisievert (mSv)Microsievert (µSv)
0.1 mSv100 µSv
0.25 mSv250 µSv
0.5 mSv500 µSv
1 mSv1,000 µSv
2 mSv2,000 µSv
3 mSv3,000 µSv
4 mSv4,000 µSv
5 mSv5,000 µSv
6 mSv6,000 µSv
7 mSv7,000 µSv
8 mSv8,000 µSv
9 mSv9,000 µSv
10 mSv10,000 µSv
12 mSv12,000 µSv
15 mSv15,000 µSv
20 mSv20,000 µSv
25 mSv25,000 µSv
30 mSv30,000 µSv
40 mSv40,000 µSv
50 mSv50,000 µSv
60 mSv60,000 µSv
75 mSv75,000 µSv
100 mSv100,000 µSv
150 mSv150,000 µSv
200 mSv200,000 µSv
250 mSv250,000 µSv
500 mSv500,000 µSv
1,000 mSv1,000,000 µSv

How to use: Millisieverts to Microsieverts

  1. 1 Type the value in millisieverts.
  2. 2 The result in microsieverts appears at once – or type in the microsieverts 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

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

To convert millisieverts to microsieverts, multiply the value by 1,000 (µSv = mSv × 1,000). Example: 10 mSv = 10,000 µSv.

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

Frequently asked questions

How do I convert millisieverts to microsieverts?

To convert millisieverts to microsieverts, multiply the value by 1,000: µSv = mSv × 1,000. For example 10 mSv = 10,000 µSv.

What is 1 mSv in microsieverts?

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

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.