89
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 convert
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
lmo2005-006a_1.book Page 89 Wednesday, July 7, 2004 1:06 PM
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