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Discussion in 'Lawn Mowing' started by ant, Dec 16, 2001.
1 inch of rain over 1000 sf= 620 gal of water. is that right?
In an Ed McMahon voice I say:
"You are Correct Sir!!"
larry thanks for the reply.
are they making snow up your way yet?
So the cubic feet are:
1"=(1/12) of 1 foot.
[(1/12)ft]X1000=83.33 cubic feet of water.
And the gallons are:
(83.33 cu ft)X(7.48gal/cu ft)=623.33.
Rounded off = 620 gallons.
Numbers are right, I just don't understand your first equation.
Quote "[(1/12)ft]x1000=83.33 cubic feet of water "
If 1 cubic foot of water =7.48 gallons, then shouldn't it be
7.48/12=.623 gallons of water per cubic foot @ 1 inch
.623 X 1000= 623 gallons of water for 1000 sf
Same answer, I just don't know how you got yours.
I always taking a whole different route, which was the long way home! I was going to figure 1" @ 1000 sq. ft. = 3.09 cubic yds. Then do the division of cubic yds, apply it to the cu.ft./gal., and go from there. See, I TOLD you I was taking the long way home!
I used that to determine the number of cubic feet. You know the square feet, 1000. You need the height to complete the "cube" and the height is 1", or 1/12 ft, or .083 ft. Three ways to express the same amount.
Your numbers are also correct. I just used the pure mathematical approach with the only known constant being gallons/cu ft, which is 7.48.