Paver Calculator

Planning a patio, walkway, or driveway? The paver calculator tells you how many pavers you need to cover a given area once you know the size of a single paver. Enter the patio area in square feet and the paver’s length and width in inches, and the calculator returns the number of pavers, rounded up to the next whole unit.

What is a paver calculator?

A paver calculator converts a project area and an individual paver’s footprint into a paver count. Pavers are sold as whole units, so the result is always rounded up — you cannot buy a fraction of a paver, and cuts at the edges of the layout mean some pavers are only partly used.

The two inputs use different units on purpose. Patio area is most naturally measured in square feet, while individual pavers are sized in inches (a common paver is 4 by 8 inches). The calculator handles the unit conversion for you.

How does it work?

First, the area of a single paver is converted from square inches to square feet. Since there are 144 square inches in one square foot:

$A_{paver} = \frac{L \times W}{144}$

where $L$ and $W$ are the paver’s length and width in inches. Then the number of pavers is the patio area divided by the paver area, rounded up:

$N = \left\lceil \frac{A_{patio}}{A_{paver}} \right\rceil$

The ceiling function $\lceil \cdot \rceil$ rounds up to the nearest whole paver.

Worked examples

4 by 8 inch pavers over 100 sq ft. A single paver covers $\frac{4 \times 8}{144} = 0.2222$ sq ft. The count is $\lceil 100 / 0.2222 \rceil = 450$ pavers.

6 by 6 inch pavers over 200 sq ft. Each paver covers $\frac{6 \times 6}{144} = 0.25$ sq ft, so you need $\lceil 200 / 0.25 \rceil = 800$ pavers.

12 by 12 inch pavers over 144 sq ft. A 12 by 12 inch paver is exactly $1$ sq ft, so the count equals the area: $\lceil 144 / 1 \rceil = 144$ pavers.

Practical notes

• Order extra. Buy roughly 5–10% more than the calculated count to cover breakage, edge cuts, and future repairs. Pavers from a single production run share a color batch, so spares from the same order will match.
• Measure the area first. If you only have the patio’s length and width, multiply them to get the area before using this calculator. You can compute it with the square footage calculator.
• Account for joint sand and gaps. This estimate assumes pavers sit edge to edge. Wide joints filled with sand reduce the number of pavers slightly, but ordering a small surplus already covers that variation.
• Mind the paver type. The same area needs very different counts depending on paver size, so confirm the exact dimensions of the product you plan to buy before ordering.

For a similar tiled surface indoors, the tile calculator follows the same logic, and the gravel calculator helps you estimate the base layer beneath your pavers.