How to convert rems to sieverts
Sv = rem × 0.01Multiply the value in rems by 0.01. To go the other way, multiply by 100 (or divide by 0.01).
A rem is smaller than a sievert: it takes 100 rems to make one sievert.
Worked examples
- 1 rem1 rem × 0.01 = 0.01 Sv
- 5 rems5 rem × 0.01 = 0.05 Sv
- 10 rems10 rem × 0.01 = 0.1 Sv
- 20 rems20 rem × 0.01 = 0.2 Sv
- 100 rems100 rem × 0.01 = 1 Sv
Rems to sieverts conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Rems (rem) | Sieverts (Sv) |
|---|---|
| 0.1 rem | 0.001 Sv |
| 0.25 rem | 0.0025 Sv |
| 0.5 rem | 0.005 Sv |
| 1 rem | 0.01 Sv |
| 2 rem | 0.02 Sv |
| 3 rem | 0.03 Sv |
| 4 rem | 0.04 Sv |
| 5 rem | 0.05 Sv |
| 6 rem | 0.06 Sv |
| 7 rem | 0.07 Sv |
| 8 rem | 0.08 Sv |
| 9 rem | 0.09 Sv |
| 10 rem | 0.1 Sv |
| Rems (rem) | Sieverts (Sv) |
|---|---|
| 12 rem | 0.12 Sv |
| 15 rem | 0.15 Sv |
| 20 rem | 0.2 Sv |
| 25 rem | 0.25 Sv |
| 30 rem | 0.3 Sv |
| 40 rem | 0.4 Sv |
| 50 rem | 0.5 Sv |
| 75 rem | 0.75 Sv |
| 100 rem | 1 Sv |
| 250 rem | 2.5 Sv |
| 500 rem | 5 Sv |
| 1,000 rem | 10 Sv |
About the units
Rem (rem)
“Roentgen equivalent man”: exactly 0.01 Sv.
Sievert (Sv)
The sievert (Sv) is a unit of equivalent dose in the International System of Units (SI).
Frequently asked questions
How many sieverts are in one rem?
There are 0.01 sieverts in one rem, and this value is exact by definition.
How do I convert rems to sieverts?
Multiply the number of rems by 0.01. For example, 10 rem × 0.01 = 0.1 Sv.
How many rems are in one sievert?
One sievert equals 100 rems. That is the reverse factor, 1 ÷ 0.01.
What is 10 rems in sieverts?
10 rem = 0.1 Sv.
Is this rem to Sv 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.