Convert Rems to Megarems
Convert Rems (rem) to Megarems (Mrem) instantly and accurately.
Conversion Formula
Mrem = rem × 1.000000000e-6
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.
About Megarems
The megarem (Mrem) equals 10⁶ rem = 10⁴ Sv. Found in legacy radiation hardness assurance (RHA) documentation for space and military electronics: some total ionising dose (TID) test reports specify doses in Mrem(Si); at Mrem-level equivalent doses all organic structures suffer irreparable radiation damage. 1 Mrem = 10⁴ Sv = 10 kSv.
Quick Reference Table
| Rems (rem) | Megarems (Mrem) |
|---|---|
| 1 rem | 1 × 10-6 Mrem |
| 2 rem | 2 × 10-6 Mrem |
| 5 rem | 5 × 10-6 Mrem |
| 10 rem | 1 × 10-5 Mrem |
| 25 rem | 2.5 × 10-5 Mrem |
| 50 rem | 5 × 10-5 Mrem |
| 100 rem | 1 × 10-4 Mrem |