Common Conversions
In Australia with our multi cultural society and International outlook it is common to have pump applications expressed in several formats rather than the supposedly standard litres per minute and pressure in bar or metres head. To help address this we hope the following common conversions will be of some assistance.
Volume
Litres multiplied by 0.2642 = US Gallons 0.2202 = UK gallons 61.024 = Cubic inches 0.0353 = Cubic feet
US Gallons multiplied by 3.7854 = Litres
UK (Imperial) Gallons multiplied by 4.542 = litres 1.2 = US Gallons
0.8333 = UK gallons 231 = Cubic inches 0.1336 = Cubic feet
277.2 = Cubic Inches 0.1597 = Cubic feet
Pressure
Bar (at sea level) multiplied by 14.504 = Pounds per sq’ inch (psi)
US Gallons multiplied by 0.06895 = Bar
UK (Imperial) Gallons multiplied by 14.223 = Pounds per sq’ inch (psi) 0.9807 = Bar 98.07 = Kilopascals (kPa) 0.9678 = Atmosphere
100 = Kilopascals (kPa) 0.98692 = Atmosphere 1.02 = kilograms / sq cm 33.6 = foot water column (pump head ft) 10.24 = metres water column (pump head m)
6.895 = Kilopascals (kPa) 0.06805 = Atmosphere 0.070307 = kilograms / sq cm 2.309 = foot water column (pump head ft) 0.7038 = metres water column (pump head m)
32.84 = foot water column (pump head ft) 10.00 = metres water column (pump head m)
Linear
Area
inches (in.)
x 25.4
= = = = = =
millimetres (mm) millimetres (mm)
square inches square feet square yards
x 6.4516
= = = = = =
square centimetres
feet (ft) feet (ft)
x 304.8 x 0.3048 x 0.9144 x 1,609.3 x 1.0693
x 0.092903
square metres
metres (m) metres (m) metres (m)
x 0.8361
square metres1.02
yards (yd) miles (mi) miles (mi)
acres acres
x 0.004047
square kilograms10.24
x 0.4047
hectares
kilometres (k)
square miles
x 2.59
square kilometres
PLEASE NOTE : The above conversions should be used as a guide only due to necessary “rounding”.
Other
Horsepower (hp) x 0.746
= =
kilowatts (kW)
Barrel oil
x 158.99
litres (l)
Other Conversions
Weights and Volumes
Torque
Length Calculations
Gal. Gal.
x x
3.785
= =
Liters
NM
= = =
.Ft./lb. .NM Ft./lb
x
1.35 1.35
.001 in.
x x x =
25.4 25.4
= = =
Microns
128
Ft./lb. In./lb.
/
In.
MM
Ounces Gal.
x
12
MM
.03937
Inches
x
231
=
Cu.
Belt Length
2 x CD+D+d x 1.57
Temperatures
In. Gal.
Nozzles GPM Nozzle #
4000 PSI PSI 4000
x
8.3453
=
Nozzle #
=
°C °F
= =
.555(°F-32)
Pounds Ltr.
(1.8*°C)+32 Required Horsepower
GPM
=
x
61.02
=
Cu.
2
GPM Nozzle #
In. Ltr.
PSI
=
4000 x
GPM x PSI 1460 GPM x PSI 1714 GPM x PSI 1100
=
Elec. Brake HP
x
33.82
=
Pulley Ratio
Ounces Ltr. Gallons Ltr. Cm ML (CC) Ounces Gram Ounces PSI In. HG In. H 2 O Bar
=
Hydraulic HP
Motor Pulley OD Pump RPM
Pump RPM Motor Pulley OD
x
.2642
=
=
=
Gasoline HP
x
1000
=
Cubic
x
.0338
=
x
.03527
=
x x x x
.0680 14.5 .4912 .8226
= = = =
bar PSI PSI In.
HG
1030
B.A.R. Group Pty Ltd - Price List 2024 November
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