Convert Rems to Microrems

Convert Rems (rem) to Microrems (µrem) instantly and accurately.

Rems (rem)
Microrems (µrem)

Conversion Formula

µrem = rem × 1000000

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 Microrems

The microrem (µrem) equals 10⁻⁶ rem = 10⁻⁸ Sv. Used in legacy US health physics instrumentation and NRC licence documentation for extremely low ambient dose-rate measurements; older EPA environmental surveillance reports quote dose rates in µrem/h where modern instruments report nSv/h. 1 µrem = 10⁻⁸ Sv = 10⁻² µSv.

Quick Reference Table

Rems (rem)Microrems (µrem)
1 rem1000000 µrem
2 rem2000000 µrem
5 rem5000000 µrem
10 rem10000000 µrem
25 rem25000000 µrem
50 rem50000000 µrem
100 rem100000000 µrem

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