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How many cubic feet are in a square mile?
None. Cubic feet are a volume unit which has nothing to do with a two-dimensional area of a square mile. You need a third dimension for a cubic measurement.
How much cubic foot is in 3000 square feet?
The question you are asking cannot be answered with the supplied information. (And It reminds me of the riddle "which is heavier, a ton of bricks, or a ton of feathers?") Cubic feet is a measure of area, while square feet is a measure of volume. Area is calculated (in the case of a rectangle) using the equation Area = Length x Width Volume is calculated using the equation Volume = Length x Width x Height or simply Volume = Area x Height. Lets say you were working with concrete slabs (foundations). You want to build a garage that is 15ft wide, and 30 feet long. To calculate the square feet you would multiply the two, with a product (result) of 450 square feet. To find out how many cubic feet your slab is, you'dneed to know how thick it is. If the thickness is 8" you'd have the following equation. 450 square feet x 8/12 foot = 300 cubic feet. If the thickness is 1 foot you'd have 450 cubic feet. ( 450 Sq. ft x 1 ft = 450 Cu. ft) If the thickness is 16" you'd have 450 square feet x 16/12 feet = 600 cubic feet. You should get the point now. Distance is linear feet, area is square feet, and volume is cubic feet. They all measure different things, and require something to calculate the next. You cannot calculate the area of a room from its length (without measuring the width), in the same sense that you cannot calculate the amount of air in a room without measuring the height of the ceiling.
How many gallons Lake Mead?
Water volume of 35.2 km3 (28,500,000 acre·ft)----- 28.5 million acre-feet x 43,560 square feet in an acre = 1.24 trillion cubic feet x 8.1 (gallons in a cubic foot) = 10 trillion gallons
What does a puddle of water 20'x20'x1 deep weigh?
First determine the number of square feet of the puddle. 20' x 20' = 400 square feet. Since the puddle is 1" deep, (I'm assuming the puddle is one inch even though there isn't any indication of whether the numeral one is an inch, or a foot. It's a puddle, after all.), we'll convert the 400 sq. ft. to square inches. 400 sq. ft. X 144 = 57,600 (There are 144 sq. inches in a sq. Foot) This give us the value in cubic inches. Next convert the entire number of cubic inches into cubic feet, it's a nice small number to deal with. There are 1728 cubic inches in a cubic foot so we'll divide the number 57,600 (cu. inches) by 1728 (cu. inches) to give us 33.333 cubic feet. Now multiply the number of cubic feet (33.333) times the weight of a cubic foot of water, which happens to be 62.4 lbs. (Water treatment field study, second edition) 33.333 X 62.4 = 2079.999 lbs. (Rounded off to 2080 lbs.) If the question was for a puddle 1 ft. deep the solution is even easier. Simply multiply the sides to obtain the square footage. Since the puddle is 1 foot deep the area, (square footage), of the puddle will be the same as the cubic volume, or 400 cubic feet. Now multiply that number times the weight of a cubic foot of water. 400 cu. ft. X 62.4 lbs/cu. ft. = 24,960 pounds.
How many kilos of natural gas are in a therm?
1 Therm is 100,000 BTU, and as there are 1000 BTU in 1 cubic foot of gas, 1 Therm = 100 cubic feet. Density of methane = 0.72 kg/cubic meter which is 35.3 cubic feet, so 100 cubic feet = 2.04 kg
