rem
Rem
Equivalent System

Rem (rem)

The rem (Roentgen Equivalent Man) is the traditional unit of equivalent dose. One sievert = 100 rem exactly. Still used in US nuclear industry and regulations. Annual occupational limit: 5 rem/year. Natural background: 0.3 rem/year. Acute 450 rem ≈ LD50.

Convert From Rem

Convert To Rem

Conversion Factors

1 rem 0.01 Sv
1 rem 10 mSv
1 rem 10000 μSv
1 rem 10000000 nSv
1 rem 10000000000 pSv
1 rem 1000 mrem
1 rem 1000000 μrem
1 rem 0.01 Gy
1 rem 10 mGy
1 rem 10000 μGy
1 rem 10000000 nGy
1 rem 1 cGy
1 rem 1e-5 kGy
1 rem 1 rad
1 rem 1000 mrad
1 rem 0.001 krad
1 rem 1.1402508552 R
1 rem 1140.2508552 mR
1 rem 1140250.8552 μR

Related Units