How to Figure the Number of Gallons of a Square or Rectangular Tank?

Multiply the length x width x height of the tank in inches / 1728 = Cubic feet

Then take cubic feet x 7.48 to get the number of gallons

(7.48 is the number of gallons there are per cubic foot)

Title: How to Figure the Number of Gallons of a Square or Rectangular Tank?
Description: This is the formulation that shows you how to figure out the number of gallons a square or rectangular tank holds.
Published: 10/19/2007
Last Edited: 1/17/2023

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