# How To Calculate Landscape River Rock?

How to Calculate River Rock

1. The length of your area in feet.
2. The width of your area in feet.
3. The depth of the stone in feet—divide the depth by 12.

• Measure the length of the area to be covered in inches.
• Stretch the measuring tape to the width of the area to be covered, and record this information in inches.
• Divide both of these measurements by 12 to find the number of feet. Measure in feet and fractions of feet, not in feet…
• Divide the desired depth for your landscape rock in inches by 12 to convert it to feet.
• Measuring tape
• Calculator

## Inexpensive Landscape With River Rocks

### How do I calculate how much landscape rock I need?

Divide the desired depth for your landscape rock in inches by 12 to convert it to feet. For instance, if you want the rock to be 2 inches deep, divide 2 by 12, which equals 0.1667 feet. Multiply the length by the width by the desired depth in feet for your landscape rock to find the number of cubic feet you will need.

### How much area does a yard of river rock cover?

A cubic yard of river rock covers 75 to 170 square feet when spread in a layer of 2” to 4” and weighs 2,400 to 2,700 lbs.

### How deep should River rock be for landscaping?

The suggested depth of coverage varies according to the size of the individual stones. If the stone size is 1/2-inch or less, the suggested depth is 2-inches. Stones that are 3/4-inch to 1-inch should have a depth of about 3-inches. Stones that are 1-inch or larger should have a depth of 4-inches.

### How many square feet will a 40 lb bag of rock cover?

Beside above, how many square feet will a 40 lb bag of rock cover? ft., covers approximately 3 sq. ft.

### How to calculate the amount of stone needed for a rock wall?

This stone calculator will calculate tonnage, cubic feet, and yards of stone/gravel/sand needed to cover your landscaping project area. If you are building a boulder wall, check out the boulder wall calculator. If you are planning on installing sod as well, use the sod calculator to estimate how much sod you’ll need.

### How to do a material calculator for Grand River Stone?

Use this material calculator and the product/depth chart below to get an estimate of the volume of material you should order. Included is the contractor-recommended depth for each material.