Form # 169080
Issue – April 2007
6
ENGLISH/METRIC
EQUIVALENTS
ENGLISH
FACTOR
SI UNITS (METRIC)
acres x 0.4047
hectares (ha)
ft/min x 0.3048
= meters/min (m/min)
ft/s
x 0.3048
= meters/sec (m/s)
US gal x 3.7854
= liters (L)
US
gal/min
(gpm)
x 3.7854
= liters/min (L/min)
hp
x 0.7457
= kilowatts (kW)
in
3
x 16.3871 = cubic centimeters (cm
3
or cc)
lbf.
x 4.4482
= newtons (N)
lbf.ft or
ft-lb
x 1.3558
= newton meters (N·m)
lbf.in or
in-lb
x 0.1129
= newton meters (N·m)
mph
x 1.6063
= kilometers/hour (km/h)
oz.
x 29.5735 = milliliters (ml)
psi
x 6.8948
= kilopascals (kPa)
psi
x .00689
= megapascals (MPa).