32 cubic ft.
just about 32 cubic feet of sand
lots and lots
To calculate the amount of sand needed to fill a sandbox measuring 4 feet long, 4 feet wide, and 2.5 feet deep, first find the volume by multiplying the dimensions: 4 ft x 4 ft x 2.5 ft = 40 cubic feet. Therefore, you will need 40 cubic feet of sand to fill the sandbox. If you're purchasing sand, check the bag specifications to determine how many bags you'll need based on their volume.
12.5 cubic feet
72 cubic feet
It will take 72 sq. ft. of sand. Or 2.66 sq. yds. That will fill the box even.
32 cubic ft.
just about 32 cubic feet of sand
lots and lots
4 x 6 x .75 = 18 cu ft of sand
To calculate the amount of sand needed to fill a sandbox measuring 4 feet long, 4 feet wide, and 2.5 feet deep, first find the volume by multiplying the dimensions: 4 ft x 4 ft x 2.5 ft = 40 cubic feet. Therefore, you will need 40 cubic feet of sand to fill the sandbox. If you're purchasing sand, check the bag specifications to determine how many bags you'll need based on their volume.
12.5 cubic feet
540 feet2
18ft³
It depends on the density of the sand. Certainly, you are talking about 56 cubic feet, but you will need to know the bulk density of sand to figure out how much that weighs.
One cheap DIY idea for creating a sandbox is to use a large plastic storage container or a wooden crate filled with play sand. Another option is to repurpose an old tire by filling it with sand and creating a circular sandbox. You can also build a simple wooden frame and fill it with sand to create a custom-sized sandbox.