Paving Stone Calculator

How to Calculate Paving Stones

Calculating the number of paving stones required for a project involves these simple steps:

1. Measure the Area: Determine the total area to be paved (length × width).
2. Measure the Stone Dimensions: Account for the length and width of each stone.
3. Include Gaps: Add the gap spacing between stones to the stone dimensions for accurate coverage.
4. Calculate: Divide the total area by the effective area covered by one paving stone (including gaps).

Formula:

Example: Paving a 10 ft × 10 ft Patio

• Patio Dimensions: Length = 10 ft, Width = 10 ft
• Paving Stone Dimensions: Length = 12 in (1 ft), Width = 12 in (1 ft)
• Gap Between Stones: 0.5 in

Calculation:

1. Total Area: $10 \, \text{ft} \times 10 \, \text{ft} = 100 \, \text{sq ft}$
2. Stone Dimensions with Gaps:
   • Length: $1 \, \text{ft} + 0.5 \, \text{in} = 1.0417 \, \text{ft}$
   • Width: $1 \, \text{ft} + 0.5 \, \text{in} = 1.0417 \, \text{ft}$
   • Effective Area: $1.0417 \, \text{ft} \times 1.0417 \, \text{ft} = 1.085 \, \text{sq ft}$
3. Total Stones: $\frac{100 \, \text{sq ft}}{1.085 \, \text{sq ft}} \approx 92 \, \text{stones}$

Common Paving Stone Materials and Costs

Here’s a quick reference table for popular paving materials: