Triangle Landscape Rock Calculator

Calculate Total Landscaping Rock Needed





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Formula

The formula to calculate the total amount of landscaping rock needed is:

\[ \text{Total Landscaping Rock Needed (in cubic yards)} = \frac{\text{Base Width (in feet)} \times \text{Height (in feet)} \times \text{Depth (in feet)}}{27} \]

This formula takes the base width, height, and depth measurements in feet and calculates the volume of rock needed in cubic yards. Dividing by 27 converts the volume from cubic feet to cubic yards, as there are 27 cubic feet in one cubic yard.

Example

Let's say the base width is 12 feet, the height is 8 feet, and the depth is 3 inches. Using the formula:

\[ \text{Total Landscaping Rock Needed} = \frac{12 \times 8 \times \left(\frac{3}{12}\right)}{27} \]

We get:

\[ \text{Total Landscaping Rock Needed} = \frac{96 \times 0.25}{27} \approx 0.88 \text{ cubic yards} \]

So, the total amount of landscaping rock needed is approximately 0.88 cubic yards.

What is the Landscape Rock Formula?

The Landscape Rock Formula helps you determine the total amount of landscaping rock needed based on the base width, height, and depth of the area to be covered. It is important for planning and purchasing the correct amount of rock for landscaping projects.

Stone Material Weight Table

Stone Material Tons per Cubic Yard
Crushed Stone 1/4" - 2" 1.4 - 1.7
Crushed Stone 2" - 6" 1.5 - 1.7
Cobblestones 4" - 8" 1.3 - 1.6
Rip Rap 6" - 9" 1.7 - 2
Lava Rock 3/8" - 2" 0.65 - 0.9
Boulders 1 - 1.5

Crushed Stone Sizes and Their Uses Chart

Crushed stones come in various sizes, each suited for different applications. Below is a guide to standard crushed stone sizes and their typical uses:

Stone Size Common Uses
Stone Dust Concrete block fabrication, wall filling, hole patching, and smooth pavement construction.
Up to 1/4" Barns, ground fillers, horse stables, tennis courts, and walkways.
Up to 1/2" Mixed in asphalt and concrete for roads, water tank beddings, filtration, landscaping, and various environmental applications.
Up to 3/4" Bedding for large pipes, drainage systems, driveways, farm roads, French drains, path fillers, and slab bases.
Up to 1" Ideal for pavements, road bases, and jogging tracks.
Up to 1 1/4" Base material for driveways, rough terrain pads, and temporary paths for heavy-duty trucks at construction sites.
Up to 2" Drainage systems, dry wells, septic systems, and railroad tracks.
Up to 4" Drain outfall areas, heavy-duty haul roads, septic tanks, and slopes.