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Stone Calculator

Enter stone dimension in the and per unit cost in the stone calculator and tool will calculate the required stone and its price.

Selection

Volume

Circular Area

Price

Width:

ft ▾

Length:

ft ▾

Volume:

ft² ▾

Gravel :

in ▾

Area :

ft³ ▾

Material (optional) :

$ per ton ▾

Related

The stone calculator helps you estimate the volume of stone and the total cost required for any construction or landscaping project. You can calculate the dimensions in imperial units (inches, feet, or yards) or metric units (centimeters or meters).

How Much Stone Do You Need?

Estimating the quantity and cost of stone is essential for projects involving landscaping, paving, or construction. Stones can be rectangular or circular in shape.

Formulas:

Rectangular Stone Volume:
Volume = Length × Width × Depth

Circular Stone Volume (Cylinder):
Volume = π × (Diameter / 2)² × Depth

You can use our stone calculator to quickly calculate the required stone for your project.

Density of Stone

Density (lb/ft³) = Mass (lb) / Volume (ft³)

Calculating the Cost of Stone

If you know the price per unit mass or per unit volume, you can calculate the total cost easily:

By weight:
Cost = Weight × Price per unit mass

By volume:
Cost = Volume × Price per unit volume

Rectangular Stone Example

Suppose you have a rectangular stone measuring 4 ft × 2 ft × 0.75 ft and a price of $50 per ton.

Length = 4 ft
Width = 2 ft
Depth = 0.75 ft
Price = $50 per ton

Volume = 4 × 2 × 0.75 = 6 ft³ = 0.222 yd³

Weight = Density × Volume = 105 lb/ft³ × 0.222 yd³ ≈ 0.315 tons

Cost = 0.315 × 50 = $15.75

Circular Stone Example

For a circular stone with diameter 10 ft, depth 1 ft, density 100 lb/ft³, and cost $10 per yd³:

Diameter = 10 ft
Depth = 1 ft
Density = 100 lb/ft³
Price = $10 per yd³

Volume = π × (10 / 2)² × 1 = 78.54 ft³

Convert to cubic yards: 78.54 / 27 ≈ 2.91 yd³

Cost = 2.91 × 10 = $29.10

How the Stone Calculator Works

Input:

Select stone shape (rectangular or circular)
Enter dimensions (length, width, diameter, depth)
Enter price per unit (optional)
Click Calculate

Output:

Stone volume in cubic feet, cubic yards, and quantity in tons
Total cost of the stone for the project

FAQs

How Do You Calculate Stone?

Multiply length × width × depth to find volume in cubic feet, then divide by 27 to convert to cubic yards. Use the stone calculator to quickly determine the amount required.

What Area Will 1 Ton of Stone Cover?

1 ton covers approximately 240 ft² at 1" depth
1 ton covers approximately 120 ft² at 2" depth
1 ton covers approximately 80 ft² at 3" depth

References

From slam.org – Stone needed, How Much Stone Do I Need?

From euromarble.com.au – Stone vs Rock, Stone Estimator

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