How to convert sieverts to millirems
mrem = Sv × 100,000Multiply the value in sieverts by 100,000. To go the other way, multiply by 0.00001 (or divide by 100,000).
A sievert is larger than a millirem: one sievert contains 100,000 millirems.
Worked examples
- 1 sievert1 Sv × 100,000 = 100,000 mrem
- 5 sieverts5 Sv × 100,000 = 500,000 mrem
- 10 sieverts10 Sv × 100,000 = 1,000,000 mrem
- 20 sieverts20 Sv × 100,000 = 2,000,000 mrem
- 100 sieverts100 Sv × 100,000 = 10,000,000 mrem
Sieverts to millirems conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Sieverts (Sv) | Millirems (mrem) |
|---|---|
| 0.1 Sv | 10,000 mrem |
| 0.25 Sv | 25,000 mrem |
| 0.5 Sv | 50,000 mrem |
| 1 Sv | 100,000 mrem |
| 2 Sv | 200,000 mrem |
| 3 Sv | 300,000 mrem |
| 4 Sv | 400,000 mrem |
| 5 Sv | 500,000 mrem |
| 6 Sv | 600,000 mrem |
| 7 Sv | 700,000 mrem |
| 8 Sv | 800,000 mrem |
| 9 Sv | 900,000 mrem |
| 10 Sv | 1,000,000 mrem |
| Sieverts (Sv) | Millirems (mrem) |
|---|---|
| 12 Sv | 1,200,000 mrem |
| 15 Sv | 1,500,000 mrem |
| 20 Sv | 2,000,000 mrem |
| 25 Sv | 2,500,000 mrem |
| 30 Sv | 3,000,000 mrem |
| 40 Sv | 4,000,000 mrem |
| 50 Sv | 5,000,000 mrem |
| 75 Sv | 7,500,000 mrem |
| 100 Sv | 10,000,000 mrem |
| 250 Sv | 25,000,000 mrem |
| 500 Sv | 50,000,000 mrem |
| 1,000 Sv | 100,000,000 mrem |
About the units
Sievert (Sv)
The sievert (Sv) is a unit of equivalent dose in the International System of Units (SI).
Millirem (mrem)
The millirem (mrem) is a unit of equivalent dose. One millirem equals 0.00001 sieverts (Sv).
Frequently asked questions
How many millirems are in one sievert?
There are 100,000 millirems in one sievert, and this value is exact by definition.
How do I convert sieverts to millirems?
Multiply the number of sieverts by 100,000. For example, 10 Sv × 100,000 = 1,000,000 mrem.
How many sieverts are in one millirem?
One millirem equals 0.00001 sieverts. That is the reverse factor, 1 ÷ 100,000.
What is 10 sieverts in millirems?
10 Sv = 1,000,000 mrem.
Is this Sv to mrem converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.