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Synthetic Lawn Coverage & Layout Calculator

Plan full-width strips, purchased coverage and seams for a rectangular lawn. Compare laying directions while keeping the grass pile consistent.

ONZKO / PLANNING TOOLS

Measure. Plan. Build with confidence.

Use your measurements and your supplier’s product specifications. Quantities are estimates, not a quote or installation design.

Your space

Reference dimensions from a commercial NZ synthetic grass supplier, reviewed September 2026. Planning examples only, not confirmed ONZKO stock. Confirm specifications and available cut lengths before ordering.

Enter your supplier’s specifications or select a commercial reference. Choose your own allowance and optional layer depth. For irregular spaces, calculate separate rectangles without overlaps.

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Area is only the starting point

A 6 m × 5 m rectangle covers 30 m², but full-width rolls can require more material. Enter custom supplier dimensions or select a commercial NZ reference profile. Trimming is entered at each outside edge.

With a 4 m roll and no trimming, two 6 m strips purchase 48 m². Turning the layout uses two 5 m strips, purchasing 40 m². This changes pile direction; review the intended viewing direction and installation guidance before choosing.

How are offcuts treated?

The tool reports surplus area but does not automatically reuse offcuts or design joins around obstacles. If a strip exceeds the maximum supplied cut length, request a reviewed cutting plan. Profiles are reference dimensions, not confirmed ONZKO products.