How much does one cubic inch of water weigh?
1 US gallon of water weighs 8.33 pounds at 60 degrees F. There are 231 cubic inches of water per gallon, so 8.33 pounds divided by 231 = .03606--> pounds per cubic inch.
Water weighs 62.5 pounds per cubic foot. One gallon is 231 cubic inches. How much does one gallon weigh?
A1. Being 2.54x2.54x2.54 cm3 it must weigh 2.54x2.54x2.54 grams. A2. And as you know, a gallon of water weighs 10 lbs, and there are 6.25 gallons of water in a cubic foot. And a cubic foot contains 12^3 cubic inches = 1728 cu in. So we have more than enough data, so a cubic inch is 1/1728 of a cubic foot, and a cubic foot weighs 62.5 lbs. So just divide 62.5 by 1728, and…
If you mean a container with a volume of 1 cubic foot, then: 1/4 inch ball = 0.0082 cu. inch weigh of each ball (steel) = 0.0023 pounds approx. 73.6 balls per cubic inch (allowing for spherical interlocking) 1728 cubic inches ( one cubic foot) x 73.6 x 0.0023 = 292 pounds. So a cu. ft. container will hold close to 300 pounds of quarter inch steel balls.