1.35
2 gallons, 10/5 = 2
2.77 square feet.
A square 20-inch tile is 2.78 square feet.
The volume is 628.32 cubic inches.
A 20-inch diameter circle contains: 314.16 square inches.
22.032 gallons (rounded)
This cylinder will hold up to 19.65 gallons of water.
10 .863 gallons
A cylinder with these dimensions will hold up to 13.06 gallons of water.
20
18 * 20 * 12 = 4320 which is the volume in cubic inches and is 18.7012987 gallons. Divide 4320 cu. in. by 231 cu. in. per gallon.
6.23377 US gallons.
38.961039
By unit of volume and conversion ,we can say that volume =24 X23X12=6624 inch 3 1 inch 3=0.004329 6624 inch 3=28.6753247 gallons
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.
20 US gallons per minute = 2.674 cubic feet per minute.
5.435 imperial gallons or 6.794 US gallons