Convert Sievert to Rem
Live bidirectional calculator for Sieverts (Sv) and Rems (rem) with verified formula and conversion charts.
Equivalent Radiation Dose4 units
How the Calculation Works (Linear Scaling)
Since 1 Sievert = 100 Rems, multiply the value in Sieverts by 100.
Sievert to Rem Conversion Table
Precomputed values for quick reference and printing.
| Sievert | Rem |
|---|---|
| 1 Sv | 100 rem |
| 2 Sv | 200 rem |
| 3 Sv | 300 rem |
| 4 Sv | 400 rem |
| 5 Sv | 500 rem |
| 6 Sv | 600 rem |
| 7 Sv | 700 rem |
| 8 Sv | 800 rem |
| 9 Sv | 900 rem |
| 10 Sv | 1000 rem |
| 15 Sv | 1500 rem |
| 20 Sv | 2000 rem |
| 25 Sv | 2500 rem |
| 30 Sv | 3000 rem |
| 40 Sv | 4000 rem |
| 50 Sv | 5000 rem |
| 75 Sv | 7500 rem |
| 100 Sv | 10000 rem |
| Rem | Sievert |
|---|---|
| 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 |
| 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 |
๐ Standard Benchmark Reference Values
Biological radiation protection dose equivalence (1 rem = 0.01 Sv = 10 mSv).
Exact RatioAbout Sievert (Sv)
The SI coherent derived unit of equivalent and effective radiation dose, defined as the absorbed dose in grays multiplied by dimensionless biological radiation weighting factors (wR) and tissue weighting factors (wT) (1 Sv = 1 J/kg).
History: Named in 1979 in honor of Swedish medical physicist Rolf Sievert (1896โ1966), founding member of the ICRP.
Common Uses: Radiation protection regulations (ICRP, NRC), occupational radiation worker dose monitoring, nuclear safety emergency thresholds.
About Rem (rem)
A non-SI unit of equivalent dose standing for "roentgen equivalent man", defined as exactly 0.01 sievert (1 rem = 0.01 Sv = 10 mSv).
History: Introduced in the Manhattan Project era and standardized by the US NRC to quantify biological radiation risk in human tissue.
Common Uses: United States Nuclear Regulatory Commission (NRC) occupational regulations (5 rem/year worker limit), US military radiological doctrine.
โ Frequently Asked Questions
How many Rems are in 1 Sievert?
There are exactly 100 Rems in 1 Sievert (1 Sv = 100 rem).
What is the formula to convert Sievert to Rem?
The formula is: Rem = Sievert ร 100. Since 1 Sievert = 100 Rems, multiply the value in Sieverts by 100.
How do I convert 1 Sv to rem manually?
To convert 1 Sv to rem: apply the formula Rem = Sievert ร 100. Substituting gives: 1 ร 100 = 100 rem.