Calculate how many pavers you need for a patio or walkway, plus the sand bedding layer and gravel base layer typically needed underneath.
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The paver count itself uses the same basic math as our indoor Tile Calculator, area divided by unit size plus a waste allowance, but this calculator is purpose-built for outdoor hardscaping, additionally estimating the two prep layers a paver installation needs underneath: a compacted gravel base (commonly 4-6 inches, providing drainage and load support) and a leveling sand bedding layer (commonly 1 inch, providing a smooth, adjustable surface to set pavers into).
Skipping or under-building the gravel base and sand bedding is one of the most common causes of pavers shifting, sinking or becoming uneven over time, especially in areas with freeze-thaw cycles or poor natural drainage. Getting these layers right upfront saves significant rework later.
A paver patio isn't just the visible pavers, it's a layered system: compacted gravel base, sand bedding, then the pavers themselves. Estimating all three layers upfront gives a complete materials picture for the project, not just the pavers.
4 inches is a common minimum for pedestrian patios and walkways in stable soil; areas with vehicle traffic, poor drainage, or freeze-thaw climates often need a deeper base, 6 inches or more. Check local guidance for your specific soil and climate conditions.
Yes, the same length x width area math applies to a walkway, just enter its length and width like any other rectangular area.
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