Radioactivity Dose Unit Converter Tool

Absorbed Dose

rad to centigray(cGy)
centigray(cGy) to gray(Gy)
rad to gray(Gy)
gray(Gy) to rad
centigray(cGy) to rad
gray(Gy) to centigray(cGy)
  

Unit Terminology

Category SI Units* Common Units
Radioactivity becquerel (Bq) curie (Ci)
Absorbed Dose gray (Gy) rad
Dose Equivalent sievert (Sv) rem
Exposure coulomb/kilogram (C/kg) roentgen (R)

Dose Equivalent

rem to millisievert(mSv)
millisievert(mSv) to sievert(Sv)
rem to sievert(Sv)
sievert(Sv) to rem
millisievert(mSv) to rem
sievert(Sv) to millisievert(mSv)
  

Radioactivity Conversion Equivalence Chart

1 curie

=

3.7 x 1010 disintegrations per second

1 becquerel

=

1 disintegration per second

 

1 millicurie (mCi)

=

37 megabecquerels (MBq)

1 rad

=

0.01 gray (Gy)

1 rem

=

0.01 sievert (Sv)

1 roentgen (R)

=

0.000258 coulomb/
kilogram (C/kg)

 

1 megabecquerel (MBq)

=

0.027 millicuries (mCi)

1 gray (Gy)

=

100 rad

1 sievert (Sv)

=

100 rem

1 coulomb/
kilogram (C/kg)

=

3,880 roentgens

Standard Prefixes Chart

Multiple Prefix Symbol

1012

tera

T

109

giga

G

106

mega

M

103

kilo

k

10-2

centi

c

10-3

milli

m

10-6

micro

μ

10-9

nano

n

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