
101
SI* METRIC INFORMATION
* The international system of units abbreviates SI in all languages.
➀ To obtain the reverse sequence, divide by the given factor. Example: to con-
vert millimeters to inches, divide by 25.4.
NOTE: Conversion factors are rounded off to 2 decimals for easier use.
BASE UNITS
DESCRIPTION
length .................................................
mass...................................................
force ...................................................
liquid...................................................
temperature........................................
pressure..............................................
torque.................................................
land velocity........................................
navigation velocity..............................
UNIT
meter.................................
kilogram.............................
newton ..............................
liter.....................................
Celsius...............................
kilopascal...........................
newton-meter....................
kilometer per hour.............
knot....................................
SYMBOL
m
kg
N
L
°C
kPa
N•m
km/h
kn
PREFIXES
PREFIX
kilo......................
centi....................
milli.....................
micro...................
SYMBOL
k........................
c........................
m.......................
µ........................
MEANING
one thousand.....................
one hundredth of...............
one thousandth of .............
one millionth of..................
VALUE
1000
0.01
0.001
0.000001
CONVERSION FACTORS
TO CONVERT
in.........................................................
in.........................................................
in² .......................................................
in³ .......................................................
ft.........................................................
oz........................................................
lb.........................................................
lbf .......................................................
lbf•in ..................................................
lbf•ft ...................................................
lbf•ft ...................................................
PSI......................................................
imp. oz................................................
imp. oz................................................
imp. gal...............................................
imp. gal...............................................
U.S. oz................................................
U.S. gal...............................................
knot ....................................................
MPH ...................................................
Fahrenheit...........................................
Celsius................................................
hp .......................................................
TO ➀
mm....................................
cm......................................
cm² ....................................
cm³ ....................................
m .......................................
g.........................................
kg.......................................
N........................................
N•m...................................
N•m...................................
lbf•in .................................
kPa.....................................
U.S. oz...............................
mL .....................................
U.S. gal..............................
L.........................................
mL .....................................
L.........................................
MPH ..................................
km/h...................................
Celsius...............................
Fahrenheit..........................
kW.....................................
MULTIPLY BY
25.4
2.54
6.45
16.39
0.3
28.35
0.45
4.4
0.11
1.36
12
6.89
0.96
28.41
1.2
4.55
29.57
3.79
1.15
1.61
(°F - 32) ÷ 1.8
(°C x 1.8) + 32
.75
Smo9901b.fm Page 101 Friday, September 4, 1998 10:45 AM
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