Pavers, foundation and edging

Paver calculator for a complete material plan.

Estimate paver quantity, pallets, waste, perimeter restraints, bedding sand, aggregate base and paver cost in one calculation.

Rectangle + circle Joint-aware quantity Base and sand

Default paver module

8 × 4 in

Calculator

Plan the full paver installation

Paver and ordering details

Foundation depths

Your paver plan will appear here

Calculate the surface, paver count, pallets, edging and foundation materials.

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Methodology

How the paver estimate works

We calculate the project area, divide it by the repeating paver module including joint spacing, add waste, and round upward. Perimeter determines edge restraints, while selected depths determine sand and aggregate volumes.

01

Measure area

Use finished patio or walkway dimensions, including curves or the full circular diameter.

02

Define module

Enter the actual paver size and intended joint spacing so coverage is not overstated.

03

Verify layers

Confirm excavation, compacted base, bedding sand, restraints and pallet coverage locally.

Core quantity formula

Pavers = round up ((project area ÷ paver module area) × (1 + waste %))

FAQ

Paver calculator questions

How many pavers do I need?+

Divide the project area by one paver module, including the joint, add waste, and round upward. The calculator also converts the result into pallets.

What waste percentage should I use?+

Five percent may suit simple straight layouts. Ten percent is common for cuts and breakage, while diagonal, circular and intricate designs may need more.

Does joint spacing reduce the number of pavers?+

Yes. The joint forms part of the repeating layout module. Small joints make a modest difference across a large patio, so this calculator includes them.

How much base should go under pavers?+

Requirements vary with soil, drainage, freeze-thaw conditions and expected traffic. The entered depth is a planning assumption, not a structural specification.

Project guide

Use this calculator with confidence

Last reviewed: July 19, 2026

The paver calculator estimates units, pallets, bedding material and base volume from patio dimensions, paver module size, joint width and waste. Including the joint in the repeating module makes the unit count more realistic than dividing by face dimensions alone. Layout pattern, border courses, cuts, batch variation and base design remain project-specific and should be checked against the chosen paver system.

How to use it

  1. 1Measure the paved area and divide irregular spaces into simple sections.
  2. 2Enter actual paver length and width plus the planned joint.
  3. 3Select waste based on pattern and perimeter cutting.
  4. 4Enter pallet coverage and layer depths from the supplier or design.

Worked example

A 12 ft × 10 ft patio is 120 ft². With a 10% unit allowance, purchase coverage is 132 ft². The calculator divides that area by the paver-and-joint module and rounds units or pallets upward.

What the defaults mean

Joint width

Part of the repeating module and should match the installation system.

10% waste

A reasonable straight-layout starting point, not a universal rate.

Base and bedding depth

Editable quantity assumptions, not construction specifications.

Pattern complexity drives paver waste.
LayoutCutting levelPlanning note
Running bond/gridmoderatestart with a modest allowance
Diagonalhighermore perimeter cuts
Curves or mixed sizeshighmodel borders and pattern separately

Common measurement mistakes

  • Leaving joint width out of the unit module.
  • Using one waste rate for straight and diagonal layouts.
  • Ignoring border courses with different paver sizes.
  • Treating base depth as independent of soil, drainage and traffic.

Limits and safety

  • Does not design the supporting base or drainage.
  • Pallet quantities and unit dimensions vary by manufacturer.
  • Verify edge restraint, bedding sand and joint-material requirements.

Continue the project

calculate paver base materialPlan aggregate volume separately.

estimate paver bedding sandModel bedding and joint sand.

calculate edge restraint lengthMeasure exposed patio perimeter.

compare pattern waste logicReview how layout complexity affects cuts.