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Landscaping Calculators

Fast, client-side tools to get exact quantities before calling your suppliers.

These tools run entirely in your browser. We don't track your inputs, and they work instantly even on terrible mobile connections. Always add a 5-10% wastage factor to your final orders depending on the material and site conditions.

Paver & Sand Calculator

Calculate the number of pavers needed, plus the volume of bedding sand and roadbase required for the sub-base.

Mulch & Soil Calculator

Convert area and depth into cubic metres (m³) for ordering bulk soils and mulches.

Concrete Volume Calculator

Calculate m³ for slabs or post holes. Essential before calling the agitator truck.

Retaining Wall Calculator

Estimate the number of blocks needed based on wall length, height, and block dimensions.

Plant Spacing Grid

Determine how many plants you need to fill an area based on your desired spacing (e.g., 3 plants per m²).

Turf Calculator

Calculate square metres of turf rolls required, and the volume of underlay soil needed.

Decking Board Calculator

Calculate lineal metres of decking boards required based on deck area and board width.

Step Tread Calculator

Calculate rise and run to ensure your outdoor stairs meet NCC regulations.

Gravel & Pebble Calculator

Convert volume (m³) to tonnes, based on the average bulk density of landscape gravels.

Fertiliser Rate Calculator

Calculate the exact amount of granular fertiliser needed per square metre.

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