Paver Calculator

Why Estimate Carefully?

Pavers are often sold by the pallet or square foot, and batch colors can differ. A precise count with waste margin means one tidy order and no mid-project runs to the store.

What Affects the Count?

The count depends on the paved area, the paver face size, the joint width (which slightly enlarges each paver's footprint), and how many cuts your layout needs. This calculator assumes a simple rectangular area.

Paver shapes and sizes

Concrete pavers commonly come in 4 × 8 in (the classic "brick" paver), 6 × 6 in, 6 × 9 in, 8 × 8 in, and large 12 × 12 in squares or 16 × 16 in slabs. Thickness ranges from about 1.5 in for pedestrian patios to 2.25–3.5 in for driveways and vehicular loads. The joint gap is usually 1/8 in for tight layouts or up to 3/8 in for polymeric sand joints. Entering the real face size and gap keeps the count accurate whether you lay a running bond or a basketweave.

Worked Example 1: A 10 ft × 12 ft Patio, 8×4 Pavers

Area = 120 ft². Paver footprint with gap = (8.125 × 4.125) = 33.52 in² = 0.2328 ft². Count = 120 / 0.2328 ≈ 516, plus 5% → 542 pavers. About 6 pallets of 100.

Worked Example 2: A 6 ft × 6 ft Walkway

Area = 36 ft². Count = 36 / 0.2328 ≈ 155, plus 5% → 163 pavers.

Edge Cases

• Zero area → no result.
• Large gaps → fewer pavers per square foot.
• Big pavers → fewer units but similar area coverage.
• Non-rectangular areas → break into rectangles and sum.
• Diagonal layouts → need more cutting waste; raise the waste %.

Worked Example 3: A Driveway With 6 × 9 Pavers

A 12 ft × 20 ft driveway is 240 ft². A 6 × 9 paver with 1/8 in gap covers about 0.3913 ft², so 240 / 0.3913 ≈ 614, plus 7% → about 657 pavers. Driveways also need a thicker (≥2.25 in) paver and a compacted base.

Worked Example 4: A 4 × 8 Running Bond With Borders

A 10 ft × 12 ft patio (120 ft²) in 4 × 8 pavers needs about 542 units at 5% waste. Adding a single-course border around the perimeter (about 44 linear ft at one paver per 8.5 in) adds roughly 62 pavers, so order about 604 to cover the edge course.

Joint sand and base

Pavers sit on a 1 in screeded sand bed over 4–6 in of compacted aggregate for patios (more for driveways). Plan polymeric sand for the joints at about 0.05–0.1 ft³ per square foot of pavement depending on joint width.

Worked Example 5: A 14 ft × 16 ft Patio With 6 × 9 Pavers

Area = 224 ft². A 6 × 9 paver with 1/8 in gap covers 0.3913 ft², so 224 / 0.3913 ≈ 572, plus 8% → about 618 pavers. Switching to 8 × 8 pavers (0.4653 ft²) drops the count to 224 / 0.4653 ≈ 482, plus 8% → 520 — fewer units but the same area, useful when your supplier stocks one size.

Worked Example 6: A Steep Walkway With Herringbone

A 4 ft × 30 ft walkway is 120 ft². A 4 × 8 herringbone on a 1/8 in joint still needs about 542 pavers at 5% waste, but the diagonal cuts at the border push waste to 12%, or about 607 pavers. Herringbone looks great and locks well but costs more in cut waste than a running bond.

Worked Example 7: A 16 ft × 18 ft Patio With 8 × 8 Pavers

Area = 288 ft². An 8 × 8 paver on a 1/8 in joint covers 0.4653 ft², so 288 / 0.4653 ≈ 619, plus 8% → about 669 pavers. The larger square reads as more modern and cuts fewer pieces per square foot, which is why many contemporary patios default to the 8 × 8 size.

Worked Example 8: A 5 ft × 40 ft Garden Path With 6 × 6 Pavers

A long, narrow path is 200 ft². A 6 × 6 paver with 3/16 in joint covers about 0.2656 ft², so 200 / 0.2656 ≈ 753, plus 10% → 828 pavers. Narrow paths waste more at the two long edges than a square patio of equal area, so the 10% margin is worth keeping.

Worked Example 9: A 20 ft × 20 ft Driveway Court With 12 × 12 Slabs

Area = 400 ft². A 12 × 12 slab on a 3/8 in joint covers 1.0677 ft², so 400 / 1.0677 ≈ 375, plus 7% → 401 slabs. Large format pavers cover ground fast and need fewer pieces, but each is heavy and the base must be near-perfect to avoid lippage.

Estimating the sand setting bed

A 1 in sand bed over 120 ft² is 120 × (1/12) = 10 ft³ of sand, about 0.37 yard. The compacted gravel base at 4 in is 120 × (4/12) = 40 ft³, about 1.48 yards. These are separate from the paver count but part of the same delivery.

Converting paver count to area for pricing

If your supplier prices by the square foot rather than the paver, multiply the count by the paver footprint (with gap). For 542 of the 4 × 8 units that is 542 × 0.2328 = 126 ft² of coverage — slightly above the 120 ft² area because the 5% waste is built in.

How many pavers per square foot?

For a standard 4 × 8 in paver with a 1/8 in joint, about 4.3 pavers cover one square foot.

Do I include the joint gap?

Yes. The gap enlarges each paver's footprint, so fewer fit per square foot. This calculator adds it automatically.

How much waste should I add?

Usually 5-10%, more for curved or diagonal layouts with many cuts.

What if my pavers are a different size?

Enter the actual length and width; the calculator adapts.

How many pavers are in a pallet?

Often about 100 for 4 × 8 pavers, but it varies by paver and supplier.

Does this include the base material?

No. You still need a sand setting bed and compacted gravel base underneath.

Can I use this for a walkway?

Yes — enter the walkway's length and width as the area.

Why round up the count?

You cannot buy a fraction of a paver, and extras cover cuts and future repairs.

Are larger pavers cheaper per area?

Not necessarily, but you need fewer of them, which can reduce labor.

What thickness paver do I need?

Use about 1.5–2 in for foot traffic and 2.25–3.5 in for driveways and load-bearing surfaces. Thickness does not change the count but changes the base and cost.

How much base material do I need?

Budget roughly 4–6 in of compacted crushed stone plus 1 in of sand for a patio; driveways need 8–12 in. Estimate that base separately by area and depth, not with this paver count.

Can I lay pavers on a curve?

Yes, but cut more pavers at the edge. Raise the waste allowance to 10–15% for curved or radial layouts.

Does the pattern change how many I need?

The count per square foot is set by paver size and joint, not pattern. Pattern changes only the cutting waste and the amount of edge material.

Should I wet-lay or dry-lay first?

Dry-laying a small corner shows the joint lines and reveals how cuts fall before you lock the whole field with sand. It prevents surprises in the middle of the job.

Should I order extra for repairs?

Yes, keeping a few spare pavers from the same lot helps match future fixes.

How do I estimate the edge restraint?

Edge restraints (plastic, metal, or concrete) run the perimeter of the patio. A 10 × 12 ft rectangle needs 2 × (10 + 12) = 44 linear ft of restraint. Add it to the materials list; the calculator covers field pavers only.

What joint width should I use?

A 1/8 in gap is standard for tight concrete pavers and polymeric sand; 3/8 in suits wider joints but lowers the per-square-foot count slightly. Keep the gap consistent so the calculator's footprint matches the laid field.

Can I mix two paver sizes in one field?

Yes, but estimate each size's area separately and sum the counts. A border of 6 × 6 with a field of 4 × 8 is common; compute the border band as its own rectangle minus the field.

Does paver thickness change the count?

No. Thickness affects load rating and base depth, not how many cover the area. A 1.5 in patio paver and a 3.5 in driveway paver of the same face size need the same number.

How do I handle a sloping patio?

For drainage, slope the base about 1/4 in per foot away from the house, but keep the paver field a rectangle for counting. The slope changes the sand depth, not the paver quantity.

Should I seal the pavers after laying?

Sealing is separate from the count, but it affects how many spare pavers you keep. A sealed patio shows color evenly only if all units came from one lot, so buy the whole order from a single batch and hold back a few for future matching. The calculator's count plus the 5–10% waste already covers this spare.

How do I estimate a circular fire-pit patio?

A round patio of radius r has area π r². A 10 ft radius pit patio is π × 100 = 314 ft². With 4 × 8 pavers (0.2328 ft²) that is 314 / 0.2328 ≈ 1,349, plus 12% for the curved cut at the edge → about 1,511 pavers. Curves always add cut waste, so raise the margin above a straight layout's 5%.

What about a paver step or stoop?

A raised paver stoop is a short wall of pavers plus a tread. Estimate the tread as flat area and the riser face as a vertical band (width of the stoop times the riser height), then add them. The per-square-foot count is unchanged; you are just summing two rectangles instead of one.

Can I reuse old pavers for a repair?

You can, but old units fade and wear differently, so a patch rarely matches. Keep the calculator's spare count from the original lot rather than scavenging; if you must reuse, sort by color first and accept that the repair may read as a deliberate accent.

How much polymeric sand do I need?

Plan about 0.05–0.1 ft³ of sand per square foot of pavement, more for wide joints. A 120 ft² patio at 0.075 ft³/ft² is 9 ft³ of sand, or roughly 0.33 yard. This is separate from the paver count but part of the same delivery, so estimate it alongside the units.

Does the calculator account for a soldier-course border?

No — it counts the field only. A soldier course (pavers turned 90° at the edge) runs the perimeter and adds its own units. For a 10 × 12 ft rectangle that is about 44 linear ft; at one 8 in paver per foot, add roughly 66 pavers (plus their cuts) to the field total for a full border.