Conversion Factors

To convert from

To

Multiply by

Curies (Ci)

becquerels (Bq)

3.7 x
1010

millicuries (mCi)

megabecquerels (MBq)

37

microcuries (μCi)

megabecquerels (MBq)

0.037

millirads (mrad)

milligrays (mGy)

0.01

millirems (mrem)

microsieverts (μSv)

10

milliroentgens (mR)

microcoulombs/
kilogram (μC/kg)

0.258

 

To convert from

To

Multiply by

becquerels (Bq)

curies (Ci)

2.7 x
10-11

megabecquerels (MBq)

millicuries (mCi)

0.027

megabecquerels (MBq)

microcuries (μCi)

27

milligrays (mGy)

millirads (mrad)

100

microsieverts (μSv)

millrems (mrem)

0.1

microcoulombs/
kilogram (μC/kg)

milliroentgens (mR)

3.88