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Multiply By
To Convert
L E N G T H
2.54
Inches
Centimeters
25.4
Inches
Millimeters
30.48
Feet
Centimeters
.304
Feet
Meters
.914
Yards
Meters
1.609
Miles
Kilometers
VOLUME
.473
Liters
Pints
.946
Liters
Quarts
3.785
Gallons
Liters
.016
Liters
Cubic inches
16.39
Cubic inches
Cubic cms.
28.3
Cubic feet
Liters
MASS (Weight)
28.35
Ounces
Grams
.4536
Kilograms
Pounds
-
To obtain
From
National
ioarse or U.S.S.
(
Threads Per Inch Use Drill
ScrawS
TapSfcB
......
40 ........
No.
5 . . .
......... 32 ........
No.
6 . . .
......... 32 ........
No.
8 ...
......
24 ___
No. 10 ...
......... 24 ___
N o . 1 2 . . .
......... 20 ___
5
*/4 .
/16
... .18 ____
......
16 ........
% .
......
14 ........
7
/16,
........ 13 ........
% .
........ 12 ........
9
/16 .
......
11 ........
% . ,
......... 10 ........
% . ,
......... 9
% . .
. . . . .
Mechanic's Data
General Conversion Table
To
.3937
.03937
.0328
3.28
1.094
.621
2.11
1.06
.264
61.02
.061
.0353
.035
2.20
Multiply by
Tap Drill Sizes
National Coarse or
U.S.S.
Number
Screw A
Threads Par Inch
TapSIzo
.39
........
.36
1 ..
.29
1
1
/B
.25
........
1
1
/4
.17
V/2
.
. 6 .
. 8
.F
National
FitworSAE.
5
.
/16
.u
Screw & Threads Par Inch Use Drill
Tap Size
Z7
.
/64 .
31
/64
17
.
/32 .
No.
5 . . . .
21
/32 .
No.
6 . . . .
9
"
/64
N o .
8 . . . .
N o . 1 0 . . . .
........29
.....
To Convert
Multiply By
Square inches Square
.645
yds.
.836
FORCE
4.448
Pounds
Ft/lbs.
.138
FUlbs.
1.36
.112
InVlbs.
PRESSURE
.068
Psi
Psi
6.89
OTHER
1.104
Horsepower (DIN)
.746
Horsepower (SAE)
1.60
Mph Mpg
.425
—
To obtain
Screw &
Use Drill
Tap Size
Number
No. 12 . .
8 .......... . %
ra
7 _____
. .
/64
7
6
7 .........
. . 1
/M
V4.
1"/32
Number
44 ...
37
40 ...
33
36....
32 .......... 21
To
A R E A
Square cms.
.155
Square meters
1.196
Newtons
.225
Kilogram/meters
7.23
Newton-meters
.737
8.844
Newton-meters
Atmospheres
14.7
Kilopascals
.145
Horsepower (SAE)
.9861
Kilowatts (KW)
1.34 .625
Km/h Km/1
2.35
From
Multiply by
National
FlneorSAE.
Threads Par Inch Use Drill
Number
.......
28 .........
.15
.......... 28 .........
. 3
.
.......... 24 ........
. 1
/16 %
.......... 24 ........
.0
......
20 ..........
.W
7
/16
........ 20 ..........
' / 2 .
.
»/6«
........ .18 ..........
9
M
/16
.
/64
........ 18 ...........
37
% .
.
/64
.......
16 .........
11
% .
.
/16 .
.......... 14 .........
13
% .
/16 .
.......... 12 .........
3
1'/8.
1
/64 .
.......... 12 ........
11
V / 4 .
1
/64 .
.......... 12 .........
27
1V2.
1
/64
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