Liquid volume

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Liquid volume

Postby judy1951 » Sat Nov 11, 2006 5:45 pm

what is the formula for calculating liquid volume eg. I have a 7 inch diameter pipe with 1 foot of water inside. How do I calculate the amount of water in gallons?
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Re: Liquid volume

Postby convert-me.com » Sat Nov 11, 2006 7:00 pm

judy1951 wrote:what is the formula for calculating liquid volume eg. I have a 7 inch diameter pipe with 1 foot of water inside. How do I calculate the amount of water in gallons?


If I understand you correctly you need to calculate volume of a cylinder. It is equal to height * pi * radius squared.

In your case it is going to be (all figures in inches): 3.5*3.5*3.14*12 = 461.6 cubic inches. Here 3.5 inches is the radius (half of the diameter). 3.14 is pi number, 12 inches is the length (or height). 461.6 cubic inches equal to 2 gallons (see volume conversion page)

So the amount of water in your pipe is about 2 gallons.
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