USEFUL CONVERSIONS
MEASUREMENTSM
Conversion Tables
E
Flow and Pressure
Flow Rates Pressures
BARS (Kg per Cm
2
) x 10 = Metres of Water
Gallons per Minute Gallons per Minute
x 14.22 = Pounds per Sq. Inch
x 4.545 x 4.545
x 32.81 = Feet of Water
= Litres per Minute = Litres per Minute
x 0.97 = Atmospheres
Bar (Kg per Metres of Atmos-
GPM LPM LPM GPM
Cm
2
Water
PSI
Feet of
Water pheres
1 4.545 5 1.1 0.5 5 7.11 16.41 0.49
2 9.09 10 2.2 1 10 14.22 32.81 0.97
3 13.64 15 3.3 1.5 15 21.33 49.22 1.46
4 18.18 20 4.4 2 20 28.44 65.62 1.94
5 22.73 25 5.5 2.5 25 35.55 82.03 2.43
6 27.27 30 6.6 3 30 42.66 98.43 2.91
7 31.82 35 7.7 3.5 35 49.77 114.84 3.40
8 36.36 40 8.8 4 40 56.88 131.24 3.88
9 40.91 45 9.9 4.5 45 63.99 147.65 4.37
10 45.45 50 11.0 5 50 71.10 164.05 4.85
Metres of Water x 0.1 = Bars (Kg per Sq. Cm)
Litres per Minute x 13.20 = Gallons per Hour
x 3.281 = Feet of Water
Gallons per Minute x 272.70 = Litres per Hour
x 1.422 = Pounds per Sq. Inch
x 0.097 = Atmospheres
Pounds per x 0.07 = Bars (Kg per Sq. Cm)
Litres per Second x 3.60 = Metres
3
per Hour
Sq. Inch (PSI) x 0.703 = Metres of Water
Metres
3
per Hour x 0.2778 = Litres per Second
x 2.309 = Feet of Water
x 0.068 = Atmospheres
Feet of Water x 0.03 = Bars (Kg per Sq. Cm)
Litres per Second x 0.001 = Metres
3
per Second
x 0.305 = Metres of Water
x 0.434 = Pounds per Sq. Inch
Litres per Second x 0.06 = Metres per Minute
x 0.029 = Atmospheres
Metres
3
per Hour x 16.66 = Litres per Minute
Atmospheres x 1.033 = Bars (Kg per Sq. Cm)
x 10.33 = Metres of Water
Metres
3
per Hour x 1000 = Litres per Hour
x 33.9 = Feet of Water
x 14.7 = Pounds per Sq. Inch
Approximate Equivalents
Weight Volume Volume Length
1 oz = 28.35 grams 1 cm
3
= 0.061 in
3
1 litre = 0.035 ft
3
1 mm = 0.039 in
1 lb = 16 oz 1 inch
3
= 16.387 cm
3
1 litre = 0.220 gallons 1 cm = 0.394 in
1 lb = 0.454 kg 1 ft
3
= 0.028 m
3
1 litre = 0.001 m
3
1 in = 2.540 cm
1 kg = 2.205 lb 1 metre
3
= 35.315 ft
3
1 litre = 1000 cm
3
1 ft = 0.305 m
1 kg = 1000 grams 1 metre
3
= 1000 litres 1 gallon = 4.545 litres 1 m = 3.281 ft
1 metre
3
= 220 gallons 1 gallon = 0.004545 m
3
1 km = 0.621 miles
1 mile = 1.609 km
Temperatures
C = (F-32) ÷ 1.8
F = (1.8 x C) + 32
105
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