Microsievert to Millisievert Converter
Quick answer
To convert Microsieverts to Millisieverts, multiply by 0.001 (or divide by 1,000). Therefore, 1 Microsievert (µSv) equals 0.001 Millisieverts (mSv).
Formula: mSv = µSv × 0.001. Worked example: 10 µSv = 0.01 mSv.
Convert Microsievert (µSv) to Millisievert (mSv) online with our free unit converter. In radiation, 1 µSv = 0.001 mSv. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Microsievert to Millisievert
- Step 1 — start with the formula. mSv = µSv × 0.001
- Step 2 — substitute your figure. 10 µSv × 0.001
- Step 3 — read the result. 10 µSv = 0.01 mSv
- Step 4 — check it in reverse. µSv = mSv × 1,000 returns 10 µSv, which matches the figure you started with.
Radiation Converter
10 units available
1 µSv = 0.001 mSv
Formula:
mSv = µSv × 0.001With your value: 1 µSv = 0.001 mSv
Other Microsievert to Millisievert conversions
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 |
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 |
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.
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
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
How to Convert Microsievert to Millisievert
To convert from Microsievert (µSv) to Millisievert (mSv), multiply the value by 0.001.
Formula: mSv = µSv × 0.001
Reverse: µSv = mSv × 1,000
Step-by-Step Example
- Start with your value in Microsievert. For example: 5 µSv
- Multiply by the conversion factor: 5 x 0.001
- The result is: 0.005 mSv
Microsievert and Millisievert Relationship
This calculation facilitates standardized conversion between recognized units of radiation. Since 1 Microsievert represents a fraction of a Millisievert (1 Millisievert ≈ 1,000 Microsieverts), the Millisievert is the larger measurement interval. Understanding the relationship between Microsievert and Millisievert is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Microsievert
The Microsievert (symbol: µSv) is a recognized unit in the Standard measurement framework, utilized within radiation applications for precision and standardized data representation.
Common uses of Microsievert: radiation calculations, engineering and science, education.
About Millisievert
The Millisievert (symbol: mSv) is a recognized unit in the Standard measurement framework, utilized within radiation applications for precision and standardized data representation.
Common uses of Millisievert: radiation calculations, engineering and science, education.
Frequently Asked Questions
- How many Millisieverts are in 1 Microsievert?
- There are exactly 0.001 Millisieverts in 1 Microsievert. This means the conversion factor from Microsievert to Millisievert is 0.001.
- What is the formula to convert Microsievert to Millisievert?
- The formula to convert Microsievert to Millisievert is: mSv = µSv × 0.001. For example, to convert 10 Microsieverts to Millisieverts, you would multiply 10 by 0.001.
- What is a Microsievert?
- The Microsievert (symbol: µSv) is a recognized unit in the Standard measurement framework, utilized within radiation applications for precision and standardized data representation.
- What is a Millisievert?
- The Millisievert (symbol: mSv) is a recognized unit in the Standard measurement framework, utilized within radiation applications for precision and standardized data representation.
- What are the common uses of Microsievert?
- The Microsievert is commonly used in radiation calculations, engineering and science, education.
Related Radiation Conversions
Cite this page
UnitConvertLab. (2026). Microsievert to Millisievert converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/microsievert-to-millisievert