Paver Patio Calculator
Calculate how many pavers you need, plus sand base, gravel, and cost estimates.
Patio Shape
Dimensions & Paver Size
Your Results
Enter your patio dimensions above to see results
Common Patio Sizes Reference
| Size | Sq Ft | 4×8" Pavers | 12×12" Pavers |
|---|---|---|---|
| 10×10 ft | 100 | 473 | 105 |
| 10×15 ft | 150 | 709 | 158 |
| 12×16 ft | 192 | 908 | 202 |
| 15×20 ft | 300 | 1,418 | 315 |
| 20×20 ft | 400 | 1,890 | 420 |
| 20×30 ft | 600 | 2,835 | 630 |
*Includes 5% waste for running bond.
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- Paver size: Divide patio area by each paver’s face area, then allow for cuts and breakage. Confirm the product’s coverage before ordering.
- Laying pattern: Running bond, herringbone, and basketweave have different cutting allowances in this estimate.
- Base and drainage: Displayed sand and gravel quantities use illustrative 1-inch and 4-inch depths. Actual specifications depend on ground conditions, loading, climate, and the paving system.
- Edges: Measure the true perimeter for edge restraint. L-shape and freeform perimeter results are approximations.
Frequently Asked Questions
How many pavers do I need?
The calculator divides the area by the selected paver size and adds the displayed waste percentage, rounding up to a whole paver.
How much extra should I order?
The tool uses 5% for running bond, 10% for herringbone, and 8% for basketweave. Complex cuts or supplier pack sizes can change your order.
How much sand and gravel do I need?
The estimate uses area × layer depth and illustrative bulk densities. Confirm required depths and material density with your supplier or installer.
Can I install pavers myself?
Simple paths may be a DIY project, but excavation, utilities, drainage, access, and compaction matter. The time figures are rough planning allowances, not promises.
How much does a paver patio cost?
The displayed $8–$25 per sq ft range is illustrative, not a live quote. Materials, site work, labor, and access can materially change the cost.