There will be about 5757 US gallons in a full tank of this size. A cylinder's volume is the area of the base times its height. The area of the base is pi times the square of the radius of that base. A radius is half a diameter. Half of 7 feet is 3 1/2 feet. If we take pi times the square of that, we'll get about 38.48 square feet. Multiply that by the 20 foot length and you'll get about 769.6 cubic feet. There are about 7.5 gallons in a cubic foot of water. Multiply the 769.6 feet3 (the volume) by 7.5 gallons/foot3 and there's the (approximately) 5757 gallons (US) in that tank.
If a circle has a diameter of 21 feet the circumference is: 65.97 feet (diameter x Pi = circumference).
If a circle has a circumference of six feet its diameter is 1.91 feet.
If the circumference is 8 feet, the diameter of the circle is: 2.55 feet.
The circumference is equal to the diameter multiplied by Pi (about 3.1416):8 feet x 3.1416 = circumference of 25.1328 feet
The diameter of the model would definitely be 3.19 feet.
29,610.94 gallons (rounded)
4745 gallons Best estimate I have.
A cylindrical tower with a diameter of 10 feet and a height of 30 feet has a volume of: 2,360 cubic feet.
You can fit 752.32 gallons of fluid in a cylinder that measures 4 feet in diameter and 8 feet in depth.
217147
1 cubic foot = 7.48051948 US gallons radius (r) = d/2 = 4/2 = 2 Volume of a cylinder = Pi*r2*h V = Pi*22*4 ~= 50.2654824 cubic feet * 7.48051948 gallons/cubic foot ~= 376.01 gallons
3.14x4=12.56x2=25.12cubic feet 1 cubic ft=7.48 gals 7.48x25.12=187.8976gals
The volume of a 5,000-foot long pipe with a 6-inch diameter is: 981.75 cubic feet.
Pipe is generally cylindrical and the dimension refers to the inside diameter. One cubic foot contains 7.48 gallons. The volume of a one foot long 20" diameter pipe is: pi(1.667/2)^2 = 2.18 cubic feet. At 7.48 gallons per cubic foot the total volume is 16.3 gallons.
608 fluid gallons = 81.28 cubic feet.
a 4 feet diameter tank holds 94 gallons/foot. Therefore 94 x 3 =282 gallons
There are 907.9202769 feet2 of water, but you will have to convert that into gallons.