Paver Patio Cost Calculator

Pick a patio size, then type the prices you have been quoted. The page counts the pavers and edge length and adds your prices into a total and a cost per square foot.

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This paver patio cost calculator estimates what a paver patio will cost by counting the pavers you need and adding up the prices you type in. It runs in your browser, is free, and needs no sign-up. The tool has no prices built in, so it does not claim what a paver patio costs in your area. You enter the patio shape and size and the paver size, then add the prices you were quoted. The page shows the paver count right away and, once a price is entered, a total and a cost per square foot. You can use it to compare paver cost per sq ft from different quotes, or to check the numbers for a 20x20 patio or any other size.

How to use the Paver Patio Cost Calculator

Under “Shape of the area”, choose Rectangle, Circle, Triangle or “Total area (already known)”. For a quick start, pick a preset for a 10 × 10, 12 × 12, 16 × 16 or 20 × 20 ft rectangle.
Choose feet or meters under “Measure in”.
Enter the patio size. For a rectangle, enter Length and Width. For a circle, enter Diameter. For a triangle, enter Base and Height. For a known total area, enter Total area.
Under “Paver size (inches)”, pick 4 × 8, 6 × 6, 6 × 9, 12 × 12, 16 × 16 or 24 × 24 in, or choose “Other size (type it)” and enter the paver length and width.
Open the advanced options to change “Joint width (in)” (default 1/8 in) and “Extra for cuts and spares (%)” (default 10 %).
Set “Paver price is per” to paver or square foot, then type “Paver price ($)”. For a square foot price, the tool uses the area plus the extra.
Enter any other lines you need: “Base material, total ($)”, “Sand, total ($)”, “Edge restraint per foot ($)”, “Labor per square foot ($)”, and under advanced options “Other costs, total ($)”, “Delivery, total ($)” and “Sales tax on materials (%)”. Leave a line blank to leave it out.
Read the result. “Pavers to buy” appears first. With at least one price, you also see “Total at your prices” and “Cost per square foot of patio”. With no price, the page asks for prices instead of a total.

A blank, zero, negative or non-numeric value gives an error message instead of a result. Fix the value and the result updates.

How many pavers does a patio need?

The number of pavers is found by dividing the patio area by the space each paver covers, then adding the extra for cuts. The formula is: pavers needed = area × 144 ÷ ((length + joint) × (width + joint)) × (1 + extra %), rounded up. The 144 converts square feet to square inches, because paver sizes are in inches. The joint width is added to each side of the paver, since each paver sits with a gap around it.

For example, a 12 × 12 ft patio made with 12 in pavers, a 1/8 in joint and 10 % extra needs 156 pavers, which works out to 0.9795 pavers per ft² before the extra. The tool shows no total for this example until you enter prices. Rounding up means a partial paver is counted as a whole one.

How is the total cost of a paver patio calculated?

The total is the sum of the material costs, sales tax, labor, other costs and delivery. The formula is: total = materials + tax + labor + other + delivery. The cost per square foot is the total divided by the patio area.

Materials are the paver, edge restraint, base and sand lines. Sales tax is a percentage applied only to those four material lines. Labor, other costs and delivery are added after tax, so they are not taxed here.

Edge restraint length depends on the shape. For a rectangle, the length is the perimeter, 2 × (length + width). For a circle, it is π × diameter. For a triangle or a known total area, the tool cannot work out the perimeter, so it ignores the edge price and shows a warning.

The example below uses test numbers to show the arithmetic only. They are not typical prices, and the tool does not supply any. A 20 × 20 ft patio in 6 × 9 in pavers needs 1,134 pavers and 80 ft of edge. At $0.90 per paver, $2.50 per ft of edge, $400 for base, $120 for sand, 7 % tax and $8 per ft² for labor, the materials come to $1,740.60. With tax, the subtotal is $1,862.44. Adding labor of $3,200 gives a total of $5,062.44, or $12.66 per ft².

Sources (checked 15 October 2026): thisoldhouse.com

Worked examples

Input	Result
144 ft² patio, 156 pavers	156 pavers, no prices entered
400 ft² patio, 1134 pavers	1134 pavers, total $5,062.4 ($12.66 per ft²)
100 ft² patio, 108 pavers	108 pavers, total $625 ($6.25 per ft²)
113.1 ft² patio, 560 pavers	560 pavers, total $449.1 ($3.971 per ft²)
129.2 ft² patio, 35 pavers	35 pavers, total $1,195 ($9.252 per ft²)

Calculated by the tool above; open it with the same values to see each step.

Frequently asked questions

How much does a 20x20 paver patio cost?

The tool does not show a typical cost for any patio size. To find the cost of a 20 × 20 ft patio, choose the 20 × 20 ft preset, then enter the prices you have been quoted or found.

What is paver patio cost per sq ft?

On this page, the cost per square foot is the total divided by the patio area. It only appears after you enter at least one price. The tool does not set a per square foot price for you.

Does the paver patio cost estimator include the gravel base?

Gravel base is not calculated on this page. You can type a base cost as a lump sum in the base material total line.

Why does the page show no total?

If no price is entered, the page shows the paver count and a note asking for prices. Enter a paver price or another price line to see a total.

Is sales tax added to labor?

No. Sales tax is a percentage of the pavers, edge restraint, base and sand lines only. Labor, other costs and delivery are added after tax.

Does this tool check whether my patio meets building rules?

No. The tool counts pavers and adds up the prices you type in. It does not check design or building rules, so check local code and permit requirements before you build.

Paver Calculator: Use it to work out paver quantities when you do not need the cost.
Paver Base Calculator: Use it to estimate the crushed base before you enter the base line.
Paver Sand Calculator: Use it to estimate the sand for a paved area before you enter the sand line.
Flagstone (Flagging) Calculator: Use it when you are comparing flagstone with pavers for a patio.
Lawn Area Calculator: Use it to measure the area of a yard or lawn next to your patio.
Artificial Turf Installation Cost Calculator: Use it to estimate the cost of an artificial grass area.
Landscaping Cost Calculator: Add the patio into a whole-yard estimate.