Millirem to Sievert Converter
Convert Millirem (mrem) to Sievert (Sv) instantly. 1 mrem = 1.000000e-5 Sv.
Radiation Converter
10 units available
1 mrem = 1.000000e-5 Sv
Formula:
Sv = mrem × 0.00001With your value: 1 mrem = 1.000000e-5 Sv
Other Millirem to Sievert conversions
Millirem to Sievert Conversion Table
| Millirem (mrem) | Sievert (Sv) |
|---|---|
| 0.5 | 5.000000e-6 |
| 1 | 1.000000e-5 |
| 2 | 2.000000e-5 |
| 5 | 5.000000e-5 |
| 10 | 0.0001 |
| 15 | 0.00015 |
| 20 | 0.0002 |
| 25 | 0.00025 |
| 50 | 0.0005 |
| 100 | 0.001 |
| 250 | 0.0025 |
| 500 | 0.005 |
| 1000 | 0.01 |
Sievert to Millirem Conversion Table
| Sievert (Sv) | Millirem (mrem) |
|---|---|
| 0.5 | 50,000 |
| 1 | 100,000 |
| 2 | 200,000 |
| 5 | 500,000 |
| 10 | 1,000,000 |
| 15 | 1,500,000 |
| 20 | 2,000,000 |
| 25 | 2,500,000 |
| 50 | 5,000,000 |
| 100 | 10,000,000 |
| 250 | 25,000,000 |
| 500 | 50,000,000 |
| 1000 | 100,000,000 |
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.
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
Sievert (Sv)
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 Sievert
To convert from Millirem (mrem) to Sievert (Sv), multiply the value by 1.000000e-5.
Formula: Sv = mrem × 0.00001
Reverse: mrem = Sv × 100,000
Step-by-Step Example
- Start with your value in Millirem. For example: 5 mrem
- Multiply by the conversion factor: 5 x 1.000000e-5
- The result is: 5.000000e-5 Sv
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 Sievert
The sievert (Sv) is the SI unit of equivalent radiation dose, which accounts for the biological effect of ionizing radiation on human tissue.
Fun Fact: A typical dental X-ray is about 0.005 millisieverts.
Common uses: radiation safety, medicine, environmental monitoring.
Frequently Asked Questions
How many Sievert are in 1 Millirem?
There are exactly 1.000000e-5 Sievert in 1 Millirem. This means the conversion factor from Millirem to Sievert is 1.000000e-5.
What is the formula to convert Millirem to Sievert?
The formula to convert Millirem to Sievert is: Sv = mrem × 0.00001. For example, to convert 10 Millirem to Sievert, you would multiply 10 by 1.000000e-5.
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 Sievert?
The sievert (Sv) is the SI unit of equivalent radiation dose, which accounts for the biological effect of ionizing radiation on human tissue.
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 Sievert converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/millirem-to-sievert