Millirem to Millisievert Converter
Convert Millirem (mrem) to Millisievert (mSv) instantly. 1 mrem = 0.01 mSv.
Radiation Converter
10 units available
1 mrem = 0.01 mSv
Formula:
mSv = mrem × 0.01With your value: 1 mrem = 0.01 mSv
Other Millirem to Millisievert conversions
Millirem to Millisievert Conversion Table
| Millirem (mrem) | Millisievert (mSv) |
|---|---|
| 0.5 | 0.005 |
| 1 | 0.01 |
| 2 | 0.02 |
| 5 | 0.05 |
| 10 | 0.1 |
| 15 | 0.15 |
| 20 | 0.2 |
| 25 | 0.25 |
| 50 | 0.5 |
| 100 | 1 |
| 250 | 2.5 |
| 500 | 5 |
| 1000 | 10 |
Millisievert to Millirem Conversion Table
| Millisievert (mSv) | Millirem (mrem) |
|---|---|
| 0.5 | 50 |
| 1 | 100 |
| 2 | 200 |
| 5 | 500 |
| 10 | 1,000 |
| 15 | 1,500 |
| 20 | 2,000 |
| 25 | 2,500 |
| 50 | 5,000 |
| 100 | 10,000 |
| 250 | 25,000 |
| 500 | 50,000 |
| 1000 | 100,000 |
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.
Millirem (mrem)
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 Millirem to Millisievert
To convert from Millirem (mrem) to Millisievert (mSv), multiply the value by 0.01.
Formula: mSv = mrem × 0.01
Reverse: mrem = mSv × 100
Step-by-Step Example
- Start with your value in Millirem. For example: 5 mrem
- Multiply by the conversion factor: 5 x 0.01
- The result is: 0.05 mSv
About Millirem
The millirem (mrem) is a unit of radiation dose. One millirem equals 1.000000 × 10^-5 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 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.
Frequently Asked Questions
How many Millisievert are in 1 Millirem?
There are exactly 0.01 Millisievert in 1 Millirem. This means the conversion factor from Millirem to Millisievert is 0.01.
What is the formula to convert Millirem to Millisievert?
The formula to convert Millirem to Millisievert is: mSv = mrem × 0.01. For example, to convert 10 Millirem to Millisievert, you would multiply 10 by 0.01.
What is a Millirem?
The millirem (mrem) is a unit of radiation dose. One millirem equals 1.000000 × 10^-5 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 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 are the common uses of Millirem?
The Millirem is commonly used in radiation calculations, engineering and science, education.
Related Radiation Conversions
Cite this page
UnitConvertLab. (2026). Millirem to Millisievert converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/millirem-to-millisievert