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Millisieverts to Microsieverts Converter

1 millisievert = 1,000 microsieverts

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1 millisievert equals 1,000 microsieverts

How to convert millisieverts to microsieverts

Sieverts and rem express weighted radiation dose: 1 rem = 0.01 Sv. This page changes units only; it does not determine weighting factors, effective dose or health risk from an absorbed dose.

Formula
µSv = mSv × 2000/2

One millisievert is 2000/2 microsieverts, so a single multiplication converts any value.

Example
10,000 µSv = 10 × 2000/2

Millisieverts to microsieverts conversion table

Common values in millisieverts, converted to microsieverts.

Millisieverts converted to microsieverts
Millisieverts (mSv)Microsieverts (µSv)
11,000
22,000
33,000
44,000
55,000
1010,000
2020,000
2525,000
5050,000
100100,000
250250,000
500500,000
1,0001,000,000

About these units

millisievertmSv

One thousandth of a sievert. Preserve whether the source measurement states equivalent dose or effective dose.

microsievertµSv

Sources and precision

Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.