Flagstone Calculator

Calculate square footage, tons of flagstone, sand base, gravel base, and total cost for any patio, walkway, or garden path. Covers irregular flagstone, bluestone, and slate.

Shape / Project i

Stone Type i

Length (ft) i

Width (ft) i

Stone Depth (in) i

Waste Factor (%) i

Sand Base Depth (in) i

Gravel Base Depth (in) i

Flagstone Cost ($/ton) i

Sand Cost ($/ton) i

Gravel Cost ($/ton) i

Labor Cost ($/sq ft) i

💡 Pro tip: For irregular shapes, measure the longest and widest points. Add 10–15% waste for cuts and fitting.

⚡ Quick Project Presets

🏗️ Flagstone Project Estimate

📏

Total Area

—

sq ft

🪨

Flagstone Needed

—

tons

🏖️

Sand Base

—

tons

🪨

Gravel Base

—

tons

💰

Total Estimated Cost

—

includes materials + labor

📊

Cost Breakdown

—

stone · sand · gravel · labor

🔍 Detailed Project Breakdown

Project Shape : —

Stone Type : —

Dimensions (L×W) : —

Stone Depth : —

Waste Factor : —

Sand Depth : —

Gravel Depth : —

Stone Cost / ton : —

Sand Cost / ton : —

Gravel Cost / ton : —

💡 Installation Tip : —

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Flagstone Calculator

⚡ Quick Project Presets

🏗️ Flagstone Project Estimate

🔍 Detailed Project Breakdown

📲 Share & Save

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