154
SI* METRIC INFORMATION GUIDE
* The international system of units abbreviates SI in all languages.
➀ To obtain the reverse sequence, divide by the given factor. To convert milli-
meters 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 .......................................
UNIT
meter ................................
kilogram ............................
newton..............................
liter....................................
Celsius ..............................
kilo pascal..........................
newton-meter ...................
kilometer per hour.............
SYMBOL
m
kg
N
L
°C
kPa
N•m
km/h
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...............................................
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........................................
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
1.61
(°F - 32) ÷ 1.8
(°C x 1.8) + 32
.75
vmo2004_011a.book Page 154 Thursday, May 15, 2003 1:46 PM
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