How many 16×16 pavers for a 12×12 patio?
A 12 × 12 ft patio (144 square feet) laid in large 16 × 16 in pavers needs 90 pavers: 81 to cover it, plus 10%. Each paver covers about 1.78 square feet, which is why the count is so low. Underneath go about 3.9 tons of crusher run for a 4 in compacted base running 4 in past the edges, and 13.2 cubic feet of bedding sand.
How to work it out
- 12 ft × 12 ft = 144 sq ft
- 144 sq ft ÷ (16 × 16 in = 1.778 sq ft) + 10% (not sure yet) = 90 pavers
- To order by area: 144 sq ft + 10% = 158 sq ft
- Base area (base runs 4 in past each edge): 12.7 × 12.7 ft = 160 sq ft
- 160 sq ft × 4 in = 1.98 cu yd compacted
- 1.98 cu yd compacted × 1.25 = 2.48 cu yd loose × 1.5 tons/cu yd = 3.71 tons
- + 5% waste = 3.9 tons
- Effective rate: ≈ 1.97 tons per cu yd compacted
- Bedding sand: 144 sq ft × 1 in + 10% for screeding = 13.2 cu ft, or 27 bags of 0.5 cu ft
- Bulk sand: 13.2 cu ft × 1.5 tons/cu yd (damp, typical) = 0.73 tons → order 1 ton
- Joint sand: 0.42 cu ft of joints 0.125 in wide, filled to 1/8 in below the top × 100 lb/cu ft = 1 bag (50 lb) (about 171 sq ft per bag)
- Dig: 4 in base + 1 in sand + 2.375 in paver = 7.38 in → about 7-1/2 in
- Soil out: 144 sq ft × 7.38 in under the pavers + 16.4 sq ft × 4 in base-only strip = 3.48 cu yd in the ground × 1.25 = 4.35 cu yd loose
- Edging: 48 ft around; 1 spike per foot = 48 spikes
These are big slabs, not bricks: a 16 × 16 in paver is 1.78 square feet on its own, so 12 × 12 ft takes under a hundred of them. With standard 12 × 12 in pavers the same patio needs 159, and with small 4 × 8 in brick pavers it is over 700 once you add extra for cuts.
Adjust for your project
More options: Extra · Sold · Price …
- Pavers to order by area (sq ft, with extra)
- 158 sq ft
- Patio area
- 144 sq ft
- Base gravel (crusher run)
- 3.9 tons (7,799 lb)
- Bedding sand
- 13.2 cu ft (0.49 cu yd)
- Bedding sand in bags
- 27 bags (0.5 cu ft)
- Bedding sand, bulk weight (approx.)
- 0.73 tons (1,467 lb)
- Bedding sand, bulk order (rounded up to ½ ton)
- 1 ton
- Polymeric joint sand
- 1 bag (50 lb)
- Dig down about
- 7-1/2 in
- Soil to remove (in the ground)
- 3.48 cu yd
- Soil to haul away (loose, about +25%)
- 4.35 cu yd
- Edge restraint
- 48 ft
- Edging spikes
- 48 spikes
- Slope the patio about ¼ in per foot (2%) away from the house — never less than about 3/16 in per foot (1.5%, ICPI’s minimum) — and dig the excavation to the same slope.
- Bedding sand is screeded about 1 in thick and never used to fill low spots; ICPI keeps it under about 1½ in.
- Dug soil fluffs up once it is out of the ground — typically 20–30%, more for clay — so the pile, trailer or dumpster needs room for the loose figure, not the in-ground one.
Base gravel and dig depth for a 12 × 12 patio, by base depth
| Base depth | Base gravel (crusher run) | Dig down about | Soil to remove (in the ground) |
|---|---|---|---|
| 4 in | 3.9 tons | 7-1/2 in | 3.48 cu yd |
| 5 in | 5 tons | 8-1/2 in | 4.04 cu yd |
| 6 in | 6.16 tons | 9-1/2 in | 4.63 cu yd |
| 8 in | 8.64 tons | 11-1/2 in | 5.89 cu yd |
What to know about a 12×12 patio in 16×16 pavers
Twelve by twelve fits a dining table for six with room to pull the chairs out. The lucky part of this size is the arithmetic: 144 in divides evenly by 16 in, so a truly square patio lays out as a 9 × 9 grid of 81 slabs with no cuts at all. If your edges really are straight and square, pick running bond or stack in the pattern box: 5% extra (86 slabs) covers breakage. The 10% default assumes a few cuts.
- The base is bigger than the patio. At 4 in deep the base runs 4 in past each edge, so you are building a 12⅔ ft square: 160 sq ft of crusher run, not 144. That and compaction are why the order is 3.9 tons rather than the 2.7 tons a plain 144 sq ft × 4 in estimate gives.
- Weight per slab. A 16 × 16 in concrete paver weighs roughly 30–50 lb depending on its thickness, so you will be carrying them one at a time. Check the thickness on the label and put it in the calculator; it changes the dig depth.
- Flatness matters more. Big slabs rock on any high spot and show every dip as a lip at the joint. Screed the sand carefully and don’t walk on it once it is screeded.
- Little joint sand. Big slabs have few joints: one 50 lb bag of polymeric sand covers about 171 sq ft at 1/8 in joints, so one bag does the whole patio.
- Metric twin. At 13.4 m² this is almost the same size as the metric How many pavers for a 3 × 4 m patio example, which uses 30 cm slabs instead.
For a smaller brick-paver version see How many pavers for a 10×10 patio.
Different size? Use the full Paver Calculator.
What you’ll need
- Paver screed rails / leveling kitBudget price
Rails and a straight board for screeding bedding sand to an even 1 in. Pipe and a 2×4 also work.
See options on Amazon (opens in a new tab) - Rubber malletBudget price
Taps pavers and wall blocks into line without chipping them. A white head won’t leave black marks.
See options on Amazon (opens in a new tab) - Paver edge restraintBudget price
Holds the outside row of pavers so the patio doesn’t spread. Measure the perimeter — that is how much you need.
See options on Amazon (opens in a new tab)
As an Amazon Associate we earn from qualifying purchases. Links to products are affiliate links — they cost you nothing extra and help keep these calculators free.
Frequently asked questions
How many 12×12 pavers for a 12×12 patio?
159 pavers: 144 square feet at one paver per square foot, plus 10%. The base and sand don’t change (3.9 tons of crusher run).
How many 16×16 pavers for a 12×12 patio laid in straight rows?
86 pavers with 5% extra. A square 12 × 12 ft patio is exactly 9 × 9 slabs, so with straight edges almost nothing needs cutting.
How much base for a 12×12 paver patio 6 inches deep?
About 6.16 tons of crusher run. The base becomes 13 × 13 ft (169 sq ft) because it runs 6 in past each edge, and the dig goes to about 9-1/2 in.
Other common sizes
- How many pavers for a 10×10 patio — 495 pavers
- How many pavers for a 12×16 patio — 564 pavers
- How many pavers for a 3 × 4 m patio — 147 pavers
Sources
- ICPI Tech Spec 2 — Construction of Interlocking Concrete Pavements (PDF, via ORCO) (opens in a new tab) — Base at least 4 in after compaction for patios on well-drained soil, 6 in for driveways, 2–4 in more on wet, weak or cold-climate soils; minimum slope 1.5%; bedding sand screeded to a nominal 1 in; 60 mm pavers for patios and driveways, 80 mm for streets; joints 1/16–3/16 in.
- ICPI / CMHA Guide Specification PAV-GSP-011-21 — Pavers on Aggregate Base (PDF) (opens in a new tab) — Base past the edge-restraint spikes at least the base thickness (up to 10 in); 80 mm pavers recommended for vehicular use, 60 mm allowed on residential driveways.
- ICPI Tech Spec 17 — Bedding Sand Selection (PDF, via ORCO) (opens in a new tab) — Bedding sand screeded loose 1–1½ in, compacting to about ¾–1¼ in.
- Oregon State University Extension — 10-Step Guide to Installing Pavers (PDF) (opens in a new tab) — 4–6 in base, 1 in bedding sand, 5–10% extra, slope 1 in per 4 ft, mark out about 8 in beyond the paved area, compact the base in layers.
- Belgard — Paver and Wall Installation Guidelines (opens in a new tab) — Compacted aggregate base 4–6 in deep; bedding sand at least 1 in.
- Techniseal — RG+ polymeric sand (opens in a new tab) — Narrow joints: about 60–120 sq ft per 50 lb bag, depending on paver size and joint width.
- Alliance Gator — Supersand G2 polymeric sand (opens in a new tab) — Fill joints to at least 1/8 in below the paver top; 65–85 sq ft per 50 lb bag on 2⅜ in pavers with narrow joints.
- Snap Edge — Engineering specifications for nail placement (PDF) (opens in a new tab) — 10 in spikes 12 in apart preferred; spacing 12–24 in depending on backfill.