convert feet into gallons

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convert feet into gallons

Postby lfarthing » Mon Jun 18, 2007 5:04 am

I have a circular area of 16' x 4' deep. How many gallons?
lfarthing
 

Postby Dirtman » Mon Jun 18, 2007 12:56 pm

PI * r^2 * 4 * 7.4805

where:
PI = 3.1415927
r = radius

3.1415927 * radius squared = surface area in square feet * 4' (depth) = cubic feet * 7.4805 (gallons per cubic feet) = gallons
Dirtman
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