Convert Millisieverts to Millirems

Convert Millisieverts (mSv) to Millirems (mrem) instantly and accurately.

Millisieverts (mSv)
Millirems (mrem)

Conversion Formula

mrem = mSv × 100

About Millisieverts

The millisievert (mSv) equals 10⁻³ Sv and is the primary international radiation protection unit. ICRP 103 occupational limit 20 mSv/year averaged over 5 years; worldwide average background ~2.4 mSv/year; abdominal CT ~10 mSv; EU medical exposure directive and IAEA dose limits are quoted in mSv. 1 mSv = 10⁻³ Sv = 100 mrem.

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

Millisieverts (mSv)Millirems (mrem)
1 mSv100 mrem
2 mSv200 mrem
5 mSv500 mrem
10 mSv1000 mrem
25 mSv2500 mrem
50 mSv5000 mrem
100 mSv10000 mrem

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