Convert Millisieverts to Megarems

Convert Millisieverts (mSv) to Megarems (Mrem) instantly and accurately.

Millisieverts (mSv)
Megarems (Mrem)

Conversion Formula

Mrem = mSv × 1.000000000e-7

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 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

Millisieverts (mSv)Megarems (Mrem)
1 mSv1 × 10-7 Mrem
2 mSv2 × 10-7 Mrem
5 mSv5 × 10-7 Mrem
10 mSv1 × 10-6 Mrem
25 mSv2.5 × 10-6 Mrem
50 mSv5 × 10-6 Mrem
100 mSv1 × 10-5 Mrem

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