Millisievert to Microsievert Converter
Convert Millisievert (mSv) to Microsievert (µSv) instantly. 1 mSv = 1,000 µSv.
Radiation Converter
10 units available
1 mSv = 1,000 µSv
Formula:
µSv = mSv × 1,000With your value: 1 mSv = 1,000 µSv
Other Millisievert to Microsievert conversions
Millisievert to Microsievert Conversion Table
| Millisievert (mSv) | Microsievert (µSv) |
|---|---|
| 0.5 | 500 |
| 1 | 1,000 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 15 | 15,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1000 | 1,000,000 |
Microsievert to Millisievert Conversion Table
| Microsievert (µSv) | Millisievert (mSv) |
|---|---|
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1000 | 1 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Millisievert (mSv)
Radiation
Gray and sievert are coherent SI units (J/kg). Rad and rem are exactly 0.01 Gy and 0.01 Sv; the curie is exactly 3.7 × 10¹⁰ Bq.
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Microsievert (µSv)
Radiation
Gray and sievert are coherent SI units (J/kg). Rad and rem are exactly 0.01 Gy and 0.01 Sv; the curie is exactly 3.7 × 10¹⁰ Bq.
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
How to Convert Millisievert to Microsievert
To convert from Millisievert (mSv) to Microsievert (µSv), multiply the value by 1,000.
Formula: µSv = mSv × 1,000
Reverse: mSv = µSv × 0.001
Step-by-Step Example
- Start with your value in Millisievert. For example: 5 mSv
- Multiply by the conversion factor: 5 x 1,000
- The result is: 5,000 µSv
About Millisievert
The millisievert (mSv) is a unit of radiation dose. One millisievert equals 0.001 grays. UnitConvertLab converts it against every other radiation unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: radiation calculations, engineering and science, education.
About Microsievert
The microsievert (µSv) is a unit of radiation dose. One microsievert equals 1.000000 × 10^-6 grays. UnitConvertLab converts it against every other radiation unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: radiation calculations, engineering and science, education.
Frequently Asked Questions
How many Microsievert are in 1 Millisievert?
There are exactly 1,000 Microsievert in 1 Millisievert. This means the conversion factor from Millisievert to Microsievert is 1,000.
What is the formula to convert Millisievert to Microsievert?
The formula to convert Millisievert to Microsievert is: µSv = mSv × 1,000. For example, to convert 10 Millisievert to Microsievert, you would multiply 10 by 1,000.
What is a Millisievert?
The millisievert (mSv) is a unit of radiation dose. One millisievert equals 0.001 grays. UnitConvertLab converts it against every other radiation unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Microsievert?
The microsievert (µSv) is a unit of radiation dose. One microsievert equals 1.000000 × 10^-6 grays. UnitConvertLab converts it against every other radiation unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Millisievert?
The Millisievert is commonly used in radiation calculations, engineering and science, education.
Related Radiation Conversions
Cite this page
UnitConvertLab. (2026). Millisievert to Microsievert converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/millisievert-to-microsievert