Radiation Safety Manual 1997 (updated August, 2004)
Units and Conversions

 
 

RADIATION

Dose

Amount

rem

sievert

curie

becquerel

0.1 mrem

1 m Sv

1 pCi

37 mBq

1 mrem

10 m Sv

27 pCi

1 Bq

10 mrem

100 m Sv (0.1 mSv)

1 nCi

37 Bq

100 mrem

1 mSv

27 nCi

1 kBq

500 mrem

5 mSv

1 m Ci

37 kBq

1 rem

10 mSv

27 m Ci

1 MBq

5 rem

50 mSv

1 mCi

37 MBq

10 rem

100 mSv

27 mCi

1 GBq

25 rem

250 mSv

1 Ci

37 GBq

50 rem

500 mSv

27 Ci

1 TBq

100 rem

1 Sv

1 kCi

37 TBq

Absorbed Energy

27 kCi

1 PBq

100 rad = 1 Gy (gray)

1 Mci

37 PBq
 

GUIDE TO SI UNITS

Temperature

 

Celsius

Fahrenheit

Pressure

3000 C

5432 F

1 Pa = 1.45 x 10–4 psi

2500 C

4532 F

7000 Pa =~ 1 psi

2000 C

3632 F

1 M Pa = 145 psi

1500 C

2732 F

Speed

1000 C

1832 F

1 m/s =~ 2 mph

800 C

1472 F

Volume

600 C

1112 F

1 m3 = 103 L

400 C

752 F

1 cc (cm3) = 1 mL

200 C

392 F

1 cc =~ 1 gm water

100 C

212 F

3785 cc/gal

50 C

122 F

7.48 gal/ft3

0 C

32 F  

-17.8 C

0 F  
 

SI Unit Prefixes

E exa 1018
P peta 1015
T tera 1012
G giga 109
M mega 106
k kilo 103
c centi 10-2
m milli 10-3
m micro 10-6
n nano 10-9
p pico 10-12
From U.S. NRC AEOD/IRB