How Many Pavers for a 10x12 Patio?
Pavers to buy
581 pavers
120 sq ft of patio, 4 by 8 in pavers, 6 in compacted base, 1 in bedding sand, ten percent waste.
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How that number is worked out
These are the figures this page was built with and every line the calculator produces from them. Change anything above and all of it moves.
- Patio length12 ft
- Patio width10 ft
- Paver length8 in
- Paver width4 in
- Paver thickness2.375 in
- Joint width0.0625 in
- Compacted gravel base6 in
- Bedding sand1 in
- Waste allowance10 %
Pavers to buy581 pavers
| Patio area | 120 sq ft |
|---|---|
| One paver covers | 0.227 sq ftface plus one joint |
| Pavers per sq ft | 4.4 |
| Pavers before waste | 528 |
| Base gravel, compacted | 2.22 cu yd |
| Base gravel to order | 2.67 cu yd20% added for compaction |
| Base gravel weight | 3.73 tons |
| Bedding sand | 0.37 cu yd1,000 lb |
| Polymeric sand, 50 lb bags | 260 sq ft per bag |
| Edge restraint | 44 ft |
The material list this produces
| Pavers | 581 |
|---|---|
| Base gravel, cu yd | 3 |
| Bedding sand, cu yd | 0 |
| Polymeric sand, 50 lb bags | 2 |
| Edge restraint, ft | 44 |
| Edging spikes | 44 |
| Geotextile fabric, sq ft | 132 |
Patio size compared
Ten feet across, which covers most of the sizes people ask about. Going one step down this table is the cheapest change on the whole project, because the digging, the delivery and the tool rental do not move with it.
| Patio size | Pavers to buy | Patio area | Edge restraint |
|---|---|---|---|
| 10 by 8 ft | 387 pavers | 80 sq ft | 36 ft |
| 10 by 10 ft | 484 pavers | 100 sq ft | 40 ft |
| 10 by 12 ft | 581 pavers | 120 sq ft | 44 ft |
| 10 by 16 ft | 774 pavers | 160 sq ft | 52 ft |
| 10 by 20 ft | 968 pavers | 200 sq ft | 60 ft |
| 10 by 24 ft | 1,161 pavers | 240 sq ft | 68 ft |
What else matters here
Five hundred and eighty one pavers, which is 528 to cover the patio and the rest for waste. The waste allowance is the input worth thinking about here, because unlike every other number on the page it is not decided by the patio at all. It is decided by the pattern.
A running bond or a stack bond laid square to the edges cuts only at the perimeter, and on a rectangle that is a single straight line of cuts down two sides. Five percent covers it. A forty five degree herringbone cuts a triangle off every paver along all four edges, and the offcuts are triangles, which are not reusable anywhere except the opposite corner. Ten percent is the usual allowance for it and fifteen is not unreasonable on a patio with an irregular edge.
The step is worth seeing. On a 10 by 10 the allowance alone moves the order from 440 pavers at nothing, to 462 at five percent, 484 at ten and 506 at fifteen. That is 66 pavers between the tightest and loosest allowance, which is most of a layer on a pallet, and it is the difference between finishing on a Sunday and waiting until the yard opens.
What this calculator assumes
- The joint default is 1/16 of an inch because concrete pavers are cast with spacer nubs on the sides and that is the joint you get when they are set tight. A hand set joint at 1/8 or wider takes noticeably more polymeric sand, so type the joint you are actually laying.
- Waste is 5 percent for a running bond laid square to the edges, 10 for most patios, and 15 or more for herringbone or a circle kit, because every angled cut throws away most of a paver.
- Base gravel is quoted compacted. Crushed stone loses about a fifth of its loose volume under a plate compactor, so the order line adds 20 percent back.
- Four inches of compacted base suits a foot traffic patio on good soil. Six is the common default, and eight to twelve is driveway and heavy clay territory.
- Polymeric sand is the volume of the joints at the full thickness of the paver, at about 100 pounds per cubic foot.
- Weights use 2,800 lb per cubic yard for crushed stone and 2,700 for bedding sand.
Questions people ask
How many pavers for a 10x12 patio?
581 at 4 by 8 in over 120 sq ft. The bare coverage is 528 pavers and the rest is the ten percent waste allowance.
How much waste should I allow for pavers?
It depends on the pattern, not the patio. Five percent covers a running bond laid square, ten percent is usual for a forty five degree herringbone, and fifteen is reasonable with an irregular edge.
Why does a herringbone pattern waste more?
Because it cuts a triangle off every paver along all four edges, and triangular offcuts only fit the opposite corner. A square pattern cuts a single straight line down two sides.
The paver calculator takes any dimensions you like and hands back the same list.