## How many square feet is 4 inches deep?

81 square feet
4-inches thick – covers 81 square feet.

## How do I calculate how much sand I need for an area?

How much sand do I need?

1. Determine the length and width of the cuboidal excavation.
2. Calculate the area of the excavation by multiplying the length by the width.
3. Establish the depth of the excavation.
4. Multiply the area by the depth of the excavation to obtain its volume: 36 * 0.5 = 18 cu yd .

## How many square feet are in a ton of sand?

Product Coverage Chart

Material Amount Coverage *(3” depth)
Sand 1 ton covers 70-80 sq. ft. *
Topsoil 1 yard covers 100-110 sq. ft. *
Mulch 1 yard covers 100-110 sq. ft. *
Fieldstone, 4”- 8” 1 ton covers 25-35 sq. ft.

## How much sand do you need for a 18 ft pool?

For a rectangular pool that’s 18 feet long by 9 feet wide, you’d need at least 1 cubic yard of sand for your base.

## How much sand do you need per cubic foot?

There is finer and more coarse sand, so the density, measured for dry sand in kg per cubic meter or pounds per cubic feet, of your particular shipment may vary. For this reason, and due to potential loses / waste, you should consider buying 5-6% more sand than estimated so you don’t run just short of what you need in the end.

## How much does a square yard of sand weigh?

A square yard of a sandbox with a depth of 1 foot (30.48 cm) weighs about 900 pounds (410 kg) or slightly less than half a ton. The water content of the sand is assumed to be moderate. How much does a cubic meter of sand weigh? A cubic meter of typical sand weighs 1,600 kilograms 1.6 tonnes.

## How much sand do you need to fill a box?

For example, to fill a box with a width of 3ft and a length of 6ft, to a depth of 1ft, you need to multiply 1ft x 3ft x 6ft = 24ft 3 (cubic feet) of sand. If the area you want to cover, or the shape you want to fill is round, the calculation is a bit different:

## How to calculate the volume of sand you need?

Use it to calculate the volume of sand you will need, the weight of the material, and if you know the price per unit mass/volume, then the total cost as well. What if my measurements aren’t in feet and pounds? When you enter your measurements into the calculator, it works out the area and volume of the sand required using the below formulas: