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SPA & INGROUND & ABOVE GROUND POOL SIZE-VOLUME
(average dimentions)
Quantities are rounded to nearest point.
POOL SIZE IMPERIAL POOL SIZE METRIC VOLUME US GALLS VOLUME LITRES
24'X12'X4'6" 7.3X3.6X1.35 9690 35400
28'X12'X4'6" 8.5x3.6x1.35 11300 41300
28'X14'X4'6" 8.5x4.3x1.35 13194 50000
30'X15'X4'6" 9.0x4.5x1.35 14445 54675
35'x15'x4'6" 10.6x4.5x1.35 16988 64300
40'x20'x4'6" 12.0x6.0x1.35 25600 97200
15' Round x 3' 4.5x0.9 4815 18225
20' Round x 4' 6.1x1.2 7568 28647
24' Round x 4' 7.3x1.2 13069 49470

l = litre GPM = US Gallons per minute LPM = Litres per minute Q = Quart P = Pint ppm = parts per million same as mg/l mg/l = milli grams per litre same as ppm

SPA/POOL VOLUMES V REQUIRED FLOWRATES
SPA SIZE
US GALLONS		 SPA SIZE
LITRES		 US Gall/Min for 1/2 hr
Turnover		 Litres/Min for 1/2hr
Turnover
529 2000 17.6 66
660 2500 22 83
952 3600 32 120
POOL SIZE
US GALLONS		 POOL SIZE
LITRES		 Gall/Min for 4 hr
Turnover		 Litres/Min for 4hr
Turnover
9260 35000 37.5 146
11375 43000 47 178
13227 50000 55 207
14800 56000 61 232
17200 65000 71 270
25660 97000 106 403

GENERAL CONVERSIONS
These figures are as close as possible for ease of use & may vary by points of a unit in scientific calculations
UNIT = EQUALS EQUALS EQUALS EQUALS
One Cubic Foot 12"x12"x12" 1/27 of Cubic Yard Contains
7.49 US Gall		 Weighs 62.4lbs
Of water
One US Gallon 3.786 litres .736 Imp Gall 0.0378 Cub M Weighs 8.33lbs
One Metre Length 39.37 inches 3.3 feet 1.09 yards 1000 mm
One Cub Metre 1000 litres 35.314 Cub Ft 1.308 Cub Yd 261.2 US Galls
One PSI 2.31 Ft Head 0.7 Metres Head 1 PSI 7 kpa
Temperature 18C=64.4F 20C=68F 24C=75.5F 28C=82.4F
Spa Temps 30C=86F 32C=89.6F 35C=95F 38C=100.4F

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Web Page written by: Victor K de Fontenay © Jan 1997
Page last updated 8 October 2001 8:51:00 PM.