
Sl*
METRIC
INFORMATION
GUIDE
______________________________
__
BASE
UNITS
DESCRIPTION
UNIT
SYMBOL
length
meter
m
mass
kilogram
kg
force
Newton
N
liquid
liter
L
temperature
Celsius
oc
pressure
kilopascal
kPa
torque
Newton meter
N•m
speed
kilometer per hour
km/h
PREFIXES
PREFIX
SYMBOL MEANING VALUE
kilo k one thousand 1000
centi c one hundredth 0.01
milli
m
one thousandth 0.001
micro
ll
one millionth
0.000001
CONVERSION
FACTORS
TO
CONVERT
TOt
MULTIPLY BY
in
mm
25.4
in
em
2.54
in2
cm2
6.45
in3
cm3
16.39
ft m
0.3
oz
g
28.35
lb
kg
0.45
lbf
N
4.4
lbf•in
N•m
0.11
lbf•ft
N•m
1.36
lbf•ft
lbf•in
12
PSI
kPa
6.89
imp.
oz
U.S.
oz
0.96
imp.
oz
ml
28.41
imp. gal
U.S. gal
1.2
imp. gal
L
4.55
u.s.
oz
ml
29.57
U.S.
gal
L
3.79
MPH
km/h
1.61
Fahrenheit
Celsius
(°F-32)+1.8
Celsius
Fahrenheit
(°C
X
1.8)
+ 32
*The international system of units abbreviates
"SI"
in
all
languages.
tTo obtain the inverse sequence, divide
by
the given factor.
To
convert
"mm"
to
"in",
divide
by
25.4.
55
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