Common Conversions and Prefixes
1 µCi = 37 kBq
1 mCi = 37 MBq
1 Bq = 27 pCi
370 MBq = 10 mCi
1 µSv = 0.1 mrem
Roentgen
represented by "R", is the unit of measurement that indicates the charge produced in air by x or gamma rays, whereas SI Units are n terms of coulombs per kilogram of air (C kg-1).
1R = 2.58 X 10-4 C kg-1
Radiation Absorbed Dose and KERMA (Kinetic Energy Released in Material)
100 rad = 1 gray (Gy) 0.01 Gy = 1 rad
Radiation Dose Equivalent
100 rem = 1 sievert (Sv) 0.01 Sv = 1 rem
Activity
1 disintigration per second = 1 becquerel (Bq)
2.7 X 10-11 curie (Ci) = 1 Bq
SI Unit Prefixes
10-3 milli m 103 kilo k
10-6 micro µ 106 mega M
10-9 nano n 109 giga G
10-12 pico p 1012 tera T