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weight diff between oil and water us gal

weight diff between oil and water us gal
by dsalazar on 08/24/05 at 10:46:19

curious to find out what the weight of one gal of oil is to one gal of water and the psi created by boyh in a tank that is 26 feet high by 10 feet in dia at one foot intervals

Re: weight diff between oil and water us gal
by Robert Fogt on 08/26/05 at 01:37:27

First a couple of the facts.

One gallon of oil weighs about 6.84 pounds.

One gallon of water weighs about 8.34 pounds.

A circle with a 10 foot (120 inch) diameter has a surface area of 78.54 square feet or 11309.73 square inches.

To calculate the volume of the liquid in the tank, multiply the height of the liquid in feet by the surface area in feet.

1 foot * 78.54 square foot = 78.54 cubic foot

Using the volume conversion page we find:
78.54 cubic foot = 587.52 gallon [US, liquid]

Now for the weight:
For water,
587.52 gallons * 8.34 = 4899.92 pounds

Now the pressure, divide pounds by the area of the circle in square inches.
4899.92 pounds / 11309.73 square inches = 0.43 pounds/square inch (PSI)

So there is about 0.43 PSI on the bottom of the 10 foot diameter tank with 1 foot of water.

Just repeat the process above for each height of the tank and/or using oil or water weights.

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