Convert Sieverts to Millirems
Convert Sieverts (Sv) to Millirems (mrem) instantly and accurately.
Conversion Formula
mrem = Sv × 100000
About Sieverts
The sievert (Sv) is the SI coherent unit of equivalent and effective dose, equal to 1 J/kg of absorbed dose weighted by radiation type. Named after Rolf Sievert (Swedish radiophysicist, 1896-1966). Whole-body LD50 for acute exposure ~3-5 Sv; ICRP emergency responder limit 0.25 Sv; acute radiation syndrome threshold ~1 Sv. 1 Sv = 100 rem = 1 J/kg.
About Millirems
The millirem (mrem) equals 10⁻³ rem = 10⁻⁵ Sv. Standard unit in US radiation protection: NRC occupational whole-body limit 5000 mrem/year; US average annual background ~300 mrem; EPA drinking-water dose limit 4 mrem/year; dose rates near US nuclear plant boundaries are reported in mrem/year. 1 mrem = 10⁻⁵ Sv = 10 µSv.
Quick Reference Table
| Sieverts (Sv) | Millirems (mrem) |
|---|---|
| 1 Sv | 100000 mrem |
| 2 Sv | 200000 mrem |
| 5 Sv | 500000 mrem |
| 10 Sv | 1000000 mrem |
| 25 Sv | 2500000 mrem |
| 50 Sv | 5000000 mrem |
| 100 Sv | 10000000 mrem |