Convert Millirems to Rems
Convert Millirems (mrem) to Rems (rem) instantly and accurately.
Conversion Formula
rem = mrem × 0.001
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.
About Rems
The rem (roentgen equivalent man) equals exactly 0.01 Sv = 1 cSv. The pre-SI unit of equivalent dose, still dominant in US regulation: NRC occupational whole-body limit 5 rem/year; 10 CFR Part 20 exposure limits cited in rem; US military personnel dose records maintained in rem. 1 rem = 0.01 Sv = 1 cSv.
Quick Reference Table
| Millirems (mrem) | Rems (rem) |
|---|---|
| 1 mrem | 0.001 rem |
| 2 mrem | 0.002 rem |
| 5 mrem | 0.005 rem |
| 10 mrem | 0.01 rem |
| 25 mrem | 0.025 rem |
| 50 mrem | 0.05 rem |
| 100 mrem | 0.1 rem |