I need to figure out how to convert a 20 foot piece of pipe with a 20 inch diameter so I can figure out how many yards of concrete it will take to fill it up. Can anyone help
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UnregisteredTags: None

Re: pipe conversion
Originally posted by UnregisteredI need to figure out how to convert a 20 foot piece of pipe with a 20 inch diameter so I can figure out how many yards of concrete it will take to fill it up. Can anyone help
Volume of pipe is (pi/4)*d*d*L = 0.785*1.667*1.667*20 = 43.63 ft³
There are 27 ft³/yd³, so 1.62 yd³

Unregistered
Re: pipe conversion
Hello,
I am wondering if you can help me with how many gallons of water would be in 600ft of 6" pipe. I know the formula for the volume of a cylinder is 3.14 x r squared x the height. But I'm not sure what to do because of the inches and feet.
Thanks
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Re: pipe conversion
Originally posted by Unregistered View PostHello,
I am wondering if you can help me with how many gallons of water would be in 600ft of 6" pipe. I know the formula for the volume of a cylinder is 3.14 x r squared x the height. But I'm not sure what to do because of the inches and feet.
Thanks
600 ft x 12 in/ft = 7200 in, then
3.14*(3 in)²*7200 in * 1gallon/231 in³ = 881.3 gallons
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