Estimate patio or walkway pavers, base gravel, bedding sand, and edging from project dimensions and paver size. This page is built for early planning, shopping lists, and comparing layout options before final grading and compaction.
Round material quantities up before ordering.
The calculator multiplies project length by width to find paved area. Paver count is based on paver face area and waste allowance. Gravel base is estimated from project area times base depth, converted to cubic yards. Edging length is the project perimeter.
Example: a 20 ft by 12 ft patio is 240 square feet. With 8 in by 4 in pavers and 10% waste, the estimate rounds to 1,188 pavers. A 4 inch base needs about 3.0 cubic yards of compacted gravel.
| Layer | Typical thickness | Planning note |
|---|---|---|
| Compacted base | 4-6 in | More for driveways or weak soils |
| Bedding sand | 1 in | Screed evenly before laying pavers |
| Joint sand | Varies | Depends on paver and joint width |
| Waste | 10%-15% | Higher for curved layouts |
Order pavers by full pallets or bundles when possible and keep the same color batch together. Include base gravel, bedding sand, joint sand, edge restraints, spikes, geotextile fabric when needed, and compaction equipment in the full project plan.
Divide project area by one paver face area, then add a waste allowance for cuts and breakage.
Many patios use 4 to 6 inches of compacted base, but soil, drainage, climate, and vehicle loads can change the requirement.
For a quick estimate, paver face area is usually enough. For tight material planning, include the installed module size from the manufacturer.
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