Convert Megarems to Nanosieverts

Convert Megarems (Mrem) to Nanosieverts (nSv) instantly and accurately.

Megarems (Mrem)
Nanosieverts (nSv)

Conversion Formula

nSv = Mrem × 10000000000000

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.

About Nanosieverts

The nanosievert (nSv) equals 10⁻⁹ Sv. Ambient environmental gamma dose rates at sea level are ~30-50 nSv/h; portable radiation survey meters and environmental monitoring networks report ambient dose equivalent rates in nSv/h; airborne gamma spectrometry surveys record deposition rates in nSv/h. 1 nSv = 10⁻⁹ Sv = 10⁻³ µSv.

Quick Reference Table

Megarems (Mrem)Nanosieverts (nSv)
1 Mrem1 × 1013 nSv
2 Mrem2 × 1013 nSv
5 Mrem5 × 1013 nSv
10 Mrem1 × 1014 nSv
25 Mrem2.5 × 1014 nSv
50 Mrem5 × 1014 nSv
100 Mrem1 × 1015 nSv

→ Full Equivalent Dose Converter