Paver Calculator
Work out how many pavers a patio or path needs. Enter the area and the paver size in inches, and it adds a waste allowance for cuts. Any paver size works.
Use this free paver calculator to work out how many pavers a patio or path needs. Enter the area and the paver size in inches and it adds a waste allowance for cuts, with any paver size supported. It answers how many pavers you need for a patio and how many pavers per square foot. Everything runs in your browser.
Patio
Pavers needed
126
120 ft² patio
- Patio area
- 120 ft²
- Pavers per ft²
- 1
- Waste
- 5%
- Each paver
- 1 ft²
Order the whole job in one delivery so the colour blend is consistent, and keep a few spares for future repairs.
This counts pavers by area and ignores the joint sand gap, which is close for tight-butted units. Patterns with wide joints or lots of edge cuts need the higher waste figure.
How it works
- 1
Measure the patio
Enter the length and width of the area you're paving, in feet or metres.
- 2
Set the paver size
Type the paver length and width in inches. The area of one paver is worked out for you.
- 3
Get the count
See the number of pavers, with the waste allowance for cuts already added.
Instant & 100% private — nothing is uploaded
Every calculation runs locally in your browser. The income, balances and goals you enter stay on your own device and are never sent to a server — nothing is stored, logged or shared.
Frequently asked questions
- How many pavers do I need?
- Divide the patio area by the area of one paver, add a waste allowance, then round up. A 12 by 12 inch paver is 1 square foot, so a 100 square foot patio needs about 100 pavers plus waste.
- How much waste should I allow for pavers?
- Five percent suits a straight, running-bond lay. A herringbone or diagonal pattern makes far more edge cuts, so allow ten to fifteen percent there.
- Does it account for the joint gap?
- It counts pavers by area, which is close for tightly butted units. Wide sand or mortar joints fit slightly fewer pavers, and the waste allowance covers that.
- How accurate is the paver count?
- It is exact by area for tightly butted pavers. Wide sand or mortar joints fit slightly fewer, and a herringbone or diagonal pattern makes more edge cuts, so lean on the waste allowance and order a few spares for future repairs.
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