Convert Nanosieverts to Millirems

Convert Nanosieverts (nSv) to Millirems (mrem) instantly and accurately.

Nanosieverts (nSv)
Millirems (mrem)

Conversion Formula

mrem = nSv × 0.0001

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.

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

Nanosieverts (nSv)Millirems (mrem)
1 nSv0.0001 mrem
2 nSv0.0002 mrem
5 nSv0.0005 mrem
10 nSv0.001 mrem
25 nSv0.0025 mrem
50 nSv0.005 mrem
100 nSv0.01 mrem

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