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Appendix A: System International Units
The following System International (SI) units, abbreviations, and prefixes are used
throughout Northrop Grumman user manuals:
Quantity
mass
length
time
frequency
force
energy
power
electric current
electric charge
electric potential
resistance
inductance
magnetic flux
magnetic flux
density
luminous intensity
temperature
© 2019 Cutting Edge Optronics, Inc.
Approved for Public Release; NG19-2099
Unit
Symbol
gram
g
meter
m
second
s
Hertz
Hz
Newton
N
Joule
J
Watt
W
Ampere
A
Coulomb
C
Volt
V
Ω
ohm
Henry
H
Weber
Wb
Tesla
T
candela
cd
Kelvin
K
Abbrv.
tera
(10
giga
(10
mega
(10
kilo
(10
deci
(10
centi
(10
milli
(10
micro
(10
nano
(10
pico
(10
femto
(10
atto
(10
50
A
Prefixes
12
)
T
9
)
G
6
)
M
3
)
k
-1
)
d
-2
)
c
-3
)
m
-6
)
µ
-9
)
n
-12
)
p
-15
)
f
-18
)
a
Iklwa Laser User Manual
CEO-UMAN-0055E
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