Civil & Finish Calculators Keifa Engineering & Architectural Tools
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Paving / Interlock Calculator

Calculate the paver units and packs required from the unit size and waste, plus an estimated bedding sand quantity.

Paving & interlock

Paving / Interlock Calculator

Calculate the paver units and packs required from the unit size and waste, plus an estimated bedding sand quantity.

Instant Results & Bill of Quantities
Paver units required 0 وحدة Unit length (cm)
Packs required 0 باكيت Units per pack
Bedding sand (m³) 0.00 م³ Bedding sand thickness (mm)

Instant Results & Bill of Quantities

Item Weight / Quantity Formula & Specifications

Result type: Material Consumption Estimate

Formulas & Assumptions

Formulas used

  • Units = ⌈ A × (1 + Waste) / (unit L × unit W) ⌉Paver units required
  • Packs = ⌈ Units / units per pack ⌉Packs required
  • V_sand = A × bed thicknessBedding sand volume

Assumptions & reference values

  • Editable assumptionUnits per pack varies by product — take it from the supplier data.
  • Default valueDefault bedding sand thickness 40 mm.

Notices: This result is intended for quantity estimation. Verify quantities against approved drawings and project specifications before procurement or construction.

This calculator provides quantity and preliminary cost estimation. Structural design, material specifications and final quantities must be verified against project drawings, specifications and applicable engineering standards.