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Paver Calculator — Pieces, Square Footage & Joint Sand
Calculate patio pavers, retaining wall bricks, bedding sand, and polymeric joint sand.
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MATERIAL ESTIMATION
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Project Specifications
Paver Unit Formula
Transparent mathematical methodology explained in plain English.
Pavers Needed = Project Area (sq ft) ÷ Paver Unit Area (sq ft) × (1 + Waste %) Compute individual paver surface area in square feet, divide the total patio area, and add pattern waste.
Variables Explained:
- Waste Buffer: 10% for running bond; 15% for 45° herringbone.
Real Project Example
15 ft × 20 ft Patio with 4" × 8" Brick Pavers
Classic herringbone brick patio calculation.
Sample Project Inputs:
Area: 300 sq ft
Paver Size: 4 in × 8 in (0.222 sq ft)
Pattern: Herringbone (15% waste)
Step-by-Step Calculation:
- Paver area: (4 × 8) ÷ 144 = 0.222 sq ft.
- Exact pavers: 300 ÷ 0.222 = 1,351 pavers.
- With 15% waste: 1,351 × 1.15 = 1,554 pavers.
- Bedding sand (1" deep): 300 × (1/12) ÷ 27 = 0.93 cu yd (1.3 tons).
- Polymeric sand: 300 ÷ 75 = 4 50-lb bags.
Calculated Answer: Order 1,555 pavers, 1.3 tons bedding sand, and 4 bags of polymeric sand.
Knowledge Base
Frequently Asked Questions: Paver Calculator
Click any question below to expand quick answers, formulas, and expert tips.
Why does herringbone paver layout require more waste?
Herringbone layouts meet the perimeter borders at 45-degree angles, requiring diagonal cuts on almost every edge paver.