Conversions & Sprinkler Chart

One cubic foot per second (C.F.S.) = 7.48 gallons

One acre foot (A.F.) = 325,950 gallons

One acre foot (A.F.) = 0.504 C.F.S. for 24 hours

One cubic foot per second = 1.9835 A.F. in 24 hours

One C.F.S. = 448.8 gallons per minute (G.P.M.)

One gallon per minute (G.P.M.) = 1,440 gallons per day

One gallon water = 8.34 lbs.

One C.F.S. water = 62.4 lbs.

One pound per square inch (P.S.I.) = 2.31 feet of head

One foot of head = 0.433 P.S.I.

One acre = 43,560 square feet

One square mile = 640 acres
 

Cubic Feet Per Second Sprinkler Chart

Number of 5 Gallon Sprinklers Amount to Order
1-4 .05
5-9 .10
10-13 .15
14-18 .20
19-22 .25
23-27 .30
28-31 .35
32-36 .40
37-40 .45
41-45 .50
46-49 .55
50-54 .60
55-58 .65
59-63 .70
64-67 .75
68-72 .80
73-76 .85
77-81 .90
82-85 .95
86-90 1.00

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