Calculating Gallons
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Calculating Gallons

This is a discussion on Calculating Gallons within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> What is the formula for calculating gallons based on dimensions?...

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Old 11-30-2008, 01:36 AM   #1
 
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Calculating Gallons

What is the formula for calculating gallons based on dimensions?
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Old 11-30-2008, 01:54 AM   #2
 
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(Length * Width * Height)/231

This is for measurements done in inches.
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Old 11-30-2008, 07:45 PM   #3
 
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Another way to get a quick estimate is volume in cubic feet times 7.5 gallons per cubic foot. I can usually do it in my head and am within fractions of a gallon of the real number in a very large tank. No way I can multiply out the larger numbers of cubic inches to divide by 231 but that is closer to the accurate answer.
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Old 11-30-2008, 10:24 PM   #4
 
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Thanks. Just wanted to verify that it was the size I remember. I have a shed full of empty ones and it is hard to keep track.
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