Landscape calculator

Paver Calculator

Estimate pavers, bedding sand, and edge length for patios and paths. Switch between US customary and metric units, adjust the assumptions, and keep every step visible.

01 Measure02 Allow03 Order

Project inputs

Use one unit system throughout. Defaults show a realistic example; replace them with measurements from your project.

Unit system

Patio lengthExample input — replace with your project value.ftPatio widthExample input — replace with your project value.ftPaver lengthPlanning default — verify the selected product or project specification.inPaver widthPlanning default — verify the selected product or project specification.inBedding sand depthPlanning default — verify the selected product or project specification.inWaste allowanceAdd for cuts, breakage, spillage, and uneven site conditions.%

Measurement guideMeasure each rectangular section, then add any extra measured area.

Measure the finished shape. Actual layouts include joints and edge cuts. Use manufacturer laying patterns for multi-size sets and confirm base preparation requirements separately.

Estimate matches the inputs shown.

ReviewedNovember 2, 2026

ByBuildGauge Editorial Team

ScopeFormula, defaults & sources

Report an issue ↗

The calculation

A visible formula, not a black box.

Units & area · Mathematical derivationpavers = patio area × waste factor ÷ paver face area

Inputs are converted to a common base unit before calculation. Purchase quantities are rounded only at the final buying boundary.

Example inputDefaultStatus

Patio length16 ftReplace with measurement

Patio width12 ftReplace with measurement

Paver length8 inPlanning default — verify

Paver width4 inPlanning default — verify

Bedding sand depth1 inPlanning default — verify

Waste allowance10 %Planning default — verify

Worked example

Example: a 16 × 12 ft patio

With 8 × 4 in pavers and 10% allowance, the sample rounds to 951 pavers and separately reports sand and edging.

Use this to understand the workflow—not as a recommendation for your project.

Sources & scope

What supports this calculation.

Industry guidanceCMHA interlocking pavement guidance ↗

A nominal 1 in uncompacted bedding layer for the specified standard interlocking-concrete-pavement assembly.

Mathematical derivationNIST SI conversion factors ↗

Exact length, area, and volume unit conversions; the project formula is derived from standard geometry.

Common mistakes

Check the job, not just the number.

01Leaving the example pavers inputs unchanged instead of entering measured project values.
02Treating an editable coverage, size, density, or allowance as universal instead of checking the selected product label, project documents, and local requirements.
03Ordering from the rounded result without reviewing exclusions: Actual layouts include joints and edge cuts. Use manufacturer laying patterns for multi-size sets and confirm base preparation requirements separately.

Questions, answered

Pavers FAQ

What does the Paver Calculator estimate?

Estimate pavers, bedding sand, and edge length for patios and paths. The primary output is units & area, with the intermediate assumptions kept visible.

How is the pavers result calculated?

The visible formula is: pavers = patio area × waste factor ÷ paver face area. Inputs are converted to a common base unit before the final purchase boundary is rounded.

Are the default values recommendations?

No. Dimensions are worked examples and product-dependent presets are planning defaults. Replace them with the selected product label, project documents, and local requirements.

Is the result ready to order from?

Use it as a checked planning estimate, then confirm packaging, minimum orders, installation instructions, site conditions, and any code or professional-design requirements.