Page 489 - 4300 Catalog Cover.pdf
SEO Version
4300 Catalog
Appendix
V3
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
Table V5 — English to Metric and Metric to English Conversions
English to Metric
Metric to English
To Convert From
To
Multiply By To Convert From
To
Multiply By
Area
sq. in. (in
2
)
sq. mm (mm
2
)
645.16
square millimeters
square inches
0.00155
sq. in. (in
2
)
sq. cm (cm
2
)
6.4516
(mm
2
)
(in
2
)
sq. ft. (ft
2
)
sq. meters (m
2
)
0.0929
Density
pounds/cubic ft
Kilograms/cubic meter
16.02
kilograms/cubic meter
pounds/cubic ft
0.0624
(lb/ft
3
)
(kg/m
3
)
(kg/m
3
)
(lb/ft
3
)
Energy
B
ritish thermal units (Btu)
joules (J)
1055
joules (J)
British thermal units (Btu)
0.000947
(1J
= Ws = 0.2388 cal)
Force
pounds -
force (lbf)
newtons (N)
4.448
newtons (N)
pounds - force (lbf)
0.2248
(1N = 0.102
kgf)
Length
inches (in)
millimeters (mm)
25.4
millimeters (mm)
inches (in)
0.03937
feet (ft)
meters (m)
0.3048
meters (m)
feet (ft)
3.281
miles (mi)
kilometers (km)
1.609
kilometers (km)
miles (mi)
0.621
Mass (Weight)
ounces (oz)
grams (g)
28.35
grams (g)
ounces (oz)
0.035
pounds-mass (lb)
kilograms (kg)
0.4536
kilograms (kg)
pounds-mass (lb)
2.205
short tons (2000 lb) (tn)
metric tons (1000 kg) (t)
0.9072
metric tons (1000 kg) (t) short tons (2000 lb) (tn)
1.102
Power
horsepower (550 ft. lb/s) (hp)
kilow
atts (kW)
0.7457
kolowatts (kW)
horsepower (550 ft. lb/s) (hp)
1.341
Pressure
pounds/square inch (psi)
kilogram
s (f)/square cm
0.0703
kilograms (f)/square cm pounds/square inch (psi)
14.22
(kg (f)/cm
2
)
(kg (f)/cm
2
)
pounds/square inch (psi)
kilopascals (kP
a)
6.8948
kolopascals (kPa)
pounds/square inch (psi)
0.145
pounds/square inch (psi)
bars (100 kPa)
0.06895
bars (100 kPa)
pounds/square inch (psi)
14.503
Stress
pounds/square inch (psi)
megapascals (MPa)
0.006895
megapascals (MPa)
pounds/square inch (psi)
145.039
(1 N/mm
2
= 1 MPa)
(1 N/mm
2
= 1 MPa)
Temperature
degrees fahrenheit (°F)
degrees celsius (°C)
5/9 (after
degrees celsius (°C)
degrees fahrenheit (°F)
9/5 (then
subtr
acting 32)
add 32)
Torque or Bending
pounds-force-foot (lb-ft)
Newtons-meter (Nm)
1.356
7
Newtons-meter (Nm)
pounds-force-foot (lb-ft)
0.737
Moment
pounds-force-inch (lb-in)
Newtons-meter (Nm)
0.113
Newtons-meter (Nm)
pounds-force-inch (lb-in)
8.85
Velocity
feet/second (ft/s)
meters/second (m/s)
0.3048
m
eters/second (m/s)
feet/second (ft/s)
3.2808
Viscosity
dynamic (centipoise)
pascal-second (Pas)
0.001
pascal
-second )Pas)
dynamic (centipoise)
1000
kenematic-foot
2
/sec (ft
2
/s)
meter
2
/sec (m
2
/s)
0.0929
meter
2
/se
c (m
2
/s)
foot
2
/sec (ft
2
/s)
10.7643
Volume
cubic inch (in
3
)
cubic centimeter (
3
)
16.3871
cubic centimet
er (cm
3
)
cubic inch (in
3
)
0.061
(milliliter)
(milliliter)
quarts (qt)
liters (1000
3
)
0.9464
liters (1000
3
)
quarts (qt)
1.057
gallons (
liters
3.7854
liters
gallons (
0.2642
Metric Conversions
Dimensions and pressures for reference only, subject to change.
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