Paving Slab Calculator

Home Paving Slab Calculator

Our paving slab calculator makes it easy to work out how many slabs you need for your patio or pathway. Enter your measurements to get accurate quantities, helping you plan layouts, minimise waste, and order with confidence for a clean, professional finish.

Paving Slabs Calculator

Enter your project size to estimate paving slabs, sharp sand and sub-base.

Length (m)

Width (m)

Sub-base Depth (mm)

Bedding Sand Depth (mm)

Slab Size Waste Allowance

This calculator provides a best estimate only. Final quantities may vary depending on cuts, layout, breakages, ground conditions and installation method.

Your Estimate

slabs needed

Area 0.00 m²

Area with waste 0.00 m²

Bedding sand 0.00 m³

Sand bulk bags 0

Sub-base 0.00 m³

Sub-base bulk bags 0

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