Free OnlineCalculators & Converters
Patio Calculator
Calculate patio pavers, setting sand, and base gravel needed for any patio or walkway project.
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Key Features — Patio Calculator
Paver count with joint width
Sand and base gravel tonnage
Any paver size
Waste % allowance
Why Use This Tool — Patio Calculator
Free Online Patio calculatorPaver calculator — for EveryoneFast & Easy How many pavers do i needPatio pavers calculator — 100% FreeFree Online Flagstone calculator
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Get instant results with zero wait time. No server delays, no loading screens.
Works Everywhere
Use on any device — desktop, tablet, or phone. No downloads or plugins needed.
Frequently Asked Questions — Patio Calculator
Pavers per square foot?
12×12 pavers: 1/sq ft. 6×6: 4/sq ft. Add joint width to each dimension before calculating.
How much sand for pavers?
~1 ton coarse sand per 100 sq ft at 1" depth. Polymeric jointing sand: ~50 lbs per 100 sq ft.
Base material needed?
4–6" of compacted crushed stone for patios. 6–8" for driveways. ~1 ton covers 25 sq ft at 4".