Convert Millirems to Microsieverts

Convert Millirems (mrem) to Microsieverts (µSv) instantly and accurately.

Millirems (mrem)
Microsieverts (µSv)

Conversion Formula

µSv = mrem × 10

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.

About Microsieverts

The microsievert (µSv) equals 10⁻⁶ Sv. Standard unit for individual low-dose exposures: chest X-ray ~20 µSv effective dose; transatlantic flight ~80 µSv; dental panoramic X-ray ~10-25 µSv. Personal electronic dosimeters in medical and industrial workplaces accumulate and display dose in µSv. 1 µSv = 10⁻⁶ Sv.

Quick Reference Table

Millirems (mrem)Microsieverts (µSv)
1 mrem10 µSv
2 mrem20 µSv
5 mrem50 µSv
10 mrem100 µSv
25 mrem250 µSv
50 mrem500 µSv
100 mrem1000 µSv

→ Full Equivalent Dose Converter