DOWEX Ion Exchange Resins WATER CONDITIONING MANUAL

Useful Graphs, Tables, and Other Information
12.2 Conversion of U.S. and S.I. Units
To convert non-metric units to S.I. units, multiply by the factors given; to convert S.I. units to the nonmetric
unit, divide by the factor given.
from →
to ←
Table 29. List of conversion factors for U.S. and S.I. units.
to
from
multiply
by
divide by
from →
to ←
LENGTH PRESSURE DROP
to
from
inch (in.) meter (m) 0.0254 psi/ft kPa/m 22.62
foot (ft) meter (m) 0.3048
yard (yd) meter (m) 0.9144 VISCOSITY
AREA
in 2
ft 2
yd 2
m 2
m 2
m 2
0.0006452 FLOW RATE
poise Pascal-second
(Pa·s)
multiply
by
divide by
0.0929 gal/min = gpm m 3 /h 0.227
0.8361 gal/min = gpm L/s 0.063
DOWEX Ion Exchange Resins 72 Water Conditioning Manual
0.1
gal/day = gpd m 3 /day 0.003785
VOLUME gal/day = gpd L/h 0.158
in 3
ft 3
yd 3
liter (L) 0.01639 million gal/day = mgd m 3 /h 157.73
liter (L) 28.32 gal/day = gpd m 3 /day 3785
liter (L) 764.6 Imp gpm m 3 /h 0.273
Imp. gallon (U.K.) liter (L) 4.546
U.S. gallon (gal) liter (L) 3.785 FLOW VELOCITY
gpm/ft 2
MASS gpd/ft 2
grain (gr) gram (g) 0.0648
ounce gram (g) 28.35 SERVICE FLOW
RATE
pound (Ib) gram (g) 453.6 gpm/ft 3
PRESSURE RINSE VOLUME
atmosphere (atm) kiloPascal (kPa) 101.3 gal/ft 3
bar kiloPascal (kPa) 100.0
Ib/ft 2
kiloPascal (kPa) 0.04788 CHEMICAL DOSAGE
Ib/in 2 (psi) bar 0.069 lb/ft 3
Ib/in 2 (psi) kiloPascal (kPa) 6.895
m/h 2.445
L/m 2 h 1.70
(m 3 /h)/m 3
8.02
L/L 0.134
g/L 103