WHEN TO USE IT
Best use of this calculator
Paving Calculator estimates modular paving units and supporting aggregate for general rectangular unit-paving projects. Enter job dimensions in U.S. customary units, adjust supplier assumptions, and get purchase-ready quantities instantly.
Use the result as a planning estimate, then verify field measurements and product-specific data before ordering or building.
INPUTS EXPLAINED
What each input means
- Project length: Enter the measured value and choose the matching unit (ft, in, yd, m, cm).
- Project width: Enter the measured value and choose the matching unit (ft, in, yd, m, cm).
- Paver length: Enter the measured value and choose the matching unit (in, ft, cm, mm).
- Paver width: Enter the measured value and choose the matching unit (in, ft, cm, mm).
- Joint spacing: Enter the measured value and choose the matching unit (in, ft, cm, mm).
- Cutting waste: Enter the project value in %.
- Coverage per pallet: Enter the project value in sq ft.
- Compacted base depth: Enter the measured value and choose the matching unit (in, ft, cm, mm).
- Bedding sand depth: Enter the measured value and choose the matching unit (in, ft, cm, mm).
- Base compaction allowance: Enter the project value in %.
- Base waste: Enter the project value in %.
- Bedding-sand waste: Enter the project value in %.
- Price per paver: Enter the project value in $.
COMMON MISTAKES
Checks that prevent bad estimates
- Mixing units or entering a measurement in a different unit than the selected field unit.
- Using a planning default when the exact manufacturer or supplier specification is available.
- Rounding intermediate measurements too early instead of rounding the final purchase quantity.
- Ignoring waste, compaction, cuts, laps, settlement, or full-package rounding where the project requires them.
SOURCES & REVIEW
How this estimate is supported
The implemented formula, assumptions, and worked example on this page are the calculator-specific reference. BuildYard's broader rules are documented in the Calculation Methodology and Sources & References.
For material density, coverage, yield, dimensions, package quantity, price, and other product-specific values, the current manufacturer or supplier specification should override a planning default.
Last reviewed: September 15, 2026, as part of the site-wide calculator workflow validation pass. See the BuildYard Changelog.