You will need about 463 cubic yards (around 594 tons) of gravel for this area.
The amount of gravel needed to cover 252 square feet depends on how thick (that is, deep) you want the gravel. If you want the gravel to be 3 inches thick... Convert the measurement to the same units. We'll use feet. 3 inches = 1/4 foot Multiply the thickness times the area to get volume in cubic measure. 1/4 feet x 252 feet = 63 cubic feet Gravel in the US is usually sold by the cubic yard, which is 27 cubic feet Thus, 63/27 = 2 1/3 cubic yards 2 1/3 cubic yards of gravel will cover 252 square feet of area to a dept of 3 inches.
The volume that needs to be filled is 132ft * 1.5in = 132ft*(1.5/12)ft=132ft*0.125ft=16.5 cubic feet of gravel needed. ---- 1 cubic foot is 1,728 cubic inches (12 in x 12 in x 12 in) The area described above is 28,512 cubic inches divided by 1,728 cubic inches or 16.5 cubic feet
1 cubic yard equals 27 cubic feet. At a six inch depth 1 cubic foot will cover 2 square feet, so 27 cubic feet will cover 54 square feet.
It would take roughly 66 bags to cover a 200 square ft area 2 inches thick
a 50 pound bag of gravel will cover approximately 2 to 3 square feet of area to a thickness of 3 to 4 inches.
Approx 70.6 square feet.
It depends how deep you go. If you do 2 inches deep the area will require at least 0.7 cubic yards (about 1,710 pounds) of gravel.
62/3 cubic yards for every 1-foot deep. 5 cubic yards for every 9-inches deep. 31/3 cubic yards for every 6-inches deep. 5/9 cubic yard for every 1-inch deep.
"http://wiki.answers.com/Q/How_much_crushed_gravel_for_eighteen_square_feet_by_four_inches_deep" 6 cubic feet. With Gravel weighing 95 pounds per cubic foot, you will need approximatly 570 pounds of gravel Four inches is 1/3foot so 18sq.ft x 1/3ft=6cu.ft. You usually buy gravel by the cubic yard which is 3ftx3ftx3ft=27cu.ft so you only are looking at 2/9 cu.yd18sq.ft is only 4ftx4-1/2ft. so is not much area to cover. Weight varies by type of gravel.
First you have to know how many cubic yards are in 10 tons, just ask the company your buying the material from, they know as they do this all year long. pea gravel, road base, and sand will all cover at a different rate because of the size of the material. one cubic yard of material is 3ft x3ft x3ft or 27 cubic feet If you spread 3 inches deep the one yard will cover , on average, 108 square feet surface area. At 2 inches deep one cubic yard will cover approx 162 square ft of surface aera. chet2010
160 cubic inches / (1/8 inches) = 160*8 = 1280 sq inches