Find out how many pavers, how much gravel base, and how much bedding sand you need for a patio or walkway.
0pavers
| Item | Amount |
|---|---|
| Gravel base | |
| Gravel base by weight | |
| Bedding sand | |
| Bedding sand by weight | |
| Edge restraint | |
| Dig depth |
A paver patio has three layers under the pavers: compacted gravel base, a thin bed of leveling sand, and then the pavers. The calculator finds the patio area and works out each layer from it.
Volume = area × layer depth
Weights vary by material and moisture, so confirm with your supplier. This calculator assumes a rectangular patio. For other shapes, split the patio into rectangles and add the results.
With a 6 inch base and 15 percent extra for compaction, a 10 x 12 patio needs about 2.5 cubic yards of gravel, or roughly 3.5 tons. Use the calculator for your own size.
Most patios use 4 to 6 inches of compacted gravel. Use more in clay or soft soil, and for driveways. Compact in layers of about 2 to 3 inches.
About 1 inch of coarse bedding sand. Too thick a layer can cause settling, so keep it even and don't compact it before laying the pavers.
Ten percent is common for simple layouts. Use 15 percent or more for diagonal patterns, curves, or lots of cuts. Extras also help with future repairs.
Yes, in most installs. Edge restraint keeps the pavers from spreading over time. The calculator gives the perimeter length so you know how much to buy.