Convert Rems (rem) to Sieverts (Sv)
How many Sieverts are in a single rem? The answer is 0.01 — and the calculator below handles any value you throw at it.
Formula
1 rem = 0.01 Sv
To convert rem to Sv, divide the value by 100.
Conversion Table
| Rems (rem) | Sieverts (Sv) |
|---|---|
| 0.01 rem | 0.0001 Sv |
| 0.1 rem | 0.001 Sv |
| 0.5 rem | 0.005 Sv |
| 1 rem | 0.01 Sv |
| 2 rem | 0.02 Sv |
| 3 rem | 0.03 Sv |
| 5 rem | 0.05 Sv |
| 10 rem | 0.1 Sv |
| 15 rem | 0.15 Sv |
| 20 rem | 0.2 Sv |
| 25 rem | 0.25 Sv |
| 50 rem | 0.5 Sv |
| 100 rem | 1 Sv |
| 250 rem | 2.5 Sv |
| 500 rem | 5 Sv |
| 1000 rem | 10 Sv |
| 2500 rem | 25 Sv |
| 5000 rem | 50 Sv |
| 10000 rem | 100 Sv |
| 50000 rem | 500 Sv |
Common rem to Sv Examples
- 1 rem = 0.01 Sv
- 5 rem = 0.05 Sv
- 10 rem = 0.1 Sv
- 25 rem = 0.25 Sv
- 50 rem = 0.5 Sv
- 100 rem = 1 Sv
- 500 rem = 5 Sv
- 1000 rem = 10 Sv
About the units
Rems (rem) — The rem is the US radiation-dose unit (100 rem = 1 Sv). American nuclear-industry dose records and NRC limits are written in rem and millirem, while the rest of the world uses sieverts.
Frequently Asked Questions
Where does the unit Sv come from?
Sieverts is a Radiation Dose unit with its own historical and regional roots, now defined in relation to internationally agreed reference standards.
Is there a shortcut for converting rem to Sv?
The shortest route is the formula itself: 1 rem = 0.01 Sv. Memorizing this single line covers every case.
Where does the unit rem come from?
The rem is the US radiation-dose unit (100 rem = 1 Sv). American nuclear-industry dose records and NRC limits are written in rem and millirem, while the rest of the world uses sieverts.
Can I convert large numbers of rem to Sv at once?
Yes. The same ratio 0.01 applies to any value, whether it is a fraction or millions of rem.
What should I check before trusting a rem to Sv result?
Confirm the input value, the unit direction (rem to Sv, not the reverse), and that the formula 1 rem = 0.01 Sv has been applied.
How do rem and Sv compare in size?
Compare them through the ratio: 1 rem equals 0.01 Sv, which shows directly which unit represents a larger amount of Radiation Dose.