Commonly Used Nuclear Energy Units and Abbreviations
Prefixes and Numerical Values
Basic Unit
Measured
Pico.
Property
10
barn
cross section
curte
radioactivity
dose rate
radiation dose
electron volt
energy
gram
mass
meter
length
rad (radiation
absorbed dose)
radiation
roentgen
wuCi;
wpe
Mero
mre
10
10
Ki °
Mega
1
1
10
kChs
MCi
ke
MeV
yb
mb
b
uHCi;
mCi;
Ci;
uc
mc
mR/hr;
mr/hr
c
r/hr,
rem/hr
mg
g
kg
km
mm
m
urad
mrad
rad
dose
ur
uR;
mR;
Rs r
rem (roentgen
equivalent man)
radiation
dose
prem
mrem
rem
rep (roentgen
equivalent physical)
radiation
dose
urep
mrep
rep
second
time
us
ms
Ss
ton (TNT
device energy
watt
power
equivalent)
radiation
ug
LWW
pW
mr
mw
Mc
R/hr;
eV
uUg
ke
W
KT
MT
kw
Mw
489
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