Millisieverts to millirems
Type a value in millisieverts to see it in millirems straight away, or type in the second box to convert back.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Type the value in the millisieverts box.
- Read the result in millirems as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
mrem = mSv × 100
Multiply the value in millisieverts by 100 to get millirems.
Example
To convert 25 mSv to millirems: 25 × 100 = 2,500 mrem.
Conversion table
| Millisieverts (mSv) | Millirems (mrem) |
|---|---|
| 1 | 100 |
| 2 | 200 |
| 3 | 300 |
| 5 | 500 |
| 10 | 1,000 |
| 20 | 2,000 |
| 25 | 2,500 |
| 50 | 5,000 |
| 100 | 10,000 |
| 250 | 25,000 |
| 500 | 50,000 |
| 1,000 | 100,000 |
About the units
- Millisievert
- A millisievert is exactly one thousandth of a sievert, the usual unit for medical imaging doses and occupational limits.
- Millirem
- A millirem is one thousandth of a rem, exactly 0.01 millisievert.
Limits and caveats
- Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
- Both unit factors are exact by their official definitions.
Questions about this tool
How many millirems are in one millisievert?
1 mSv = 100 mrem exactly.
How do I convert millisieverts to millirems?
Use mrem = mSv × 100. For example, 25 mSv = 2,500 mrem.
How many millisieverts are in one millirem?
1 mrem = 0.01 mSv.
How many millirems are in a millisievert?
One millisievert is exactly 100 millirems, because one sievert equals 100 rems.
Can sieverts be converted to becquerels?
No. Becquerels measure how active a radioactive source is, while sieverts measure the dose effect on the body. Linking them needs the isotope, exposure time and exposure route.
