Calculate the number of pavers, plus the gravel base and bedding sand you'll need, for a patio, walkway or driveway.
4 inches is standard for patios and walkways; driveways carrying vehicles typically need 6–8 inches of compacted base.
Yes — the compacted gravel provides drainage and stability, while the thin sand layer on top allows you to level and set each paver precisely.
10% is standard for a simple rectangular layout; increase to 15% for curved edges, herringbone patterns, or complex shapes.