Construction

Instant, private, and free

Paver Calculator.

Estimate rectangular pavers from project dimensions, joint gap, and waste.

On-device calculationNo signup
01

Set your values

Results update as you type.

Project area: 200

Project area

0.0000
Effective paver area: 2.31

Effective paver area

0.0000
Base pavers: 87

Base pavers

0.0000
Pavers: 96

Pavers

0.0000
jointGap: 0.1

jointGap

0.0000
wastePercent: 10

wastePercent

0.0000

Results use only the stated formula and entered dimensions; no material density, pricing, code, or structural recommendation is inferred.

Use Cases

Patio or Walkway Planning

Determine how many rectangular pavers you need for a new patio, walkway, or driveway before purchasing materials.

Example: A 10x12 ft patio with 12x12 in pavers and a 0.5 in joint gap.

Budgeting and Material Ordering

Get a reliable paver count to estimate costs and order the right quantity, minimizing waste and extra trips to the store.

Example: Calculate for a 200 sq ft area with 10% waste to order extra pavers.

Frequently Asked Questions

How does the paver calculator estimate the number of pavers?
The calculator uses your project length and width to find the total area. It then divides that by the area of one paver (including the joint gap) to estimate how many pavers fit. Finally, it adds the waste percentage you specify to account for cuts and breakage.
What is the joint gap and why does it matter?
The joint gap is the space between pavers, typically filled with sand or polymeric sand. It affects the number of pavers because each paver plus its share of the gap occupies more area. A larger joint gap means fewer pavers are needed for the same project area.
Why should I include a waste percentage?
Waste accounts for pavers that need to be cut to fit edges, broken pieces, or future repairs. A typical waste percentage is 5-10%. Including waste ensures you order enough pavers to complete the job without running short.

Tips & Common Mistakes

Tips

  • Measure your project area carefully in the same units as your paver dimensions to avoid conversion errors.
  • For irregular shapes, break the area into rectangles and calculate each separately, then sum the results.
  • Consider a waste percentage of 5-10% for straight layouts, and up to 15% for diagonal or circular patterns.
  • Double-check your joint gap measurement; it's usually small but can affect the total count.

Common Mistakes to Avoid

  • Forgetting to include the joint gap when calculating paver area, leading to an underestimate.
  • Using different units for project and paver dimensions without converting, causing incorrect results.
  • Not adding a waste percentage, which can leave you short on pavers due to cuts and breakage.

Last updated: August 13, 2026