🚀 All 7 calculators are now live!

All calculators are free. Upgrade when you want to save projects and compare prices.

Coming soon: Price comparison →
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Fence Calculator

Outdoor
Paling Picket Colorsteel Pool Post & Rail +5 more

Calculate posts, rails, fixings, concrete and palings for 10 different fence types. Includes SVG previews for each style.

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Deck Calculator

Outdoor
Ground Level Elevated Pool Surround Freestanding

Boards, joists, bearers, posts, concrete, joist hangers and screws. Optional steps, fascia and balustrading.

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Pergola Calculator

Outdoor
Freestanding Attached Shade Sail Gable Roof

Posts, beams, rafters, roof covering options — polycarbonate, steel or shade battens. Optional knee braces and fascia.

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Retaining Wall

Outdoor
Timber Sleepers Concrete Blocks Allan Block Gabion

For walls under 1.5m. Drainage, AG pipe, geotextile, posts and fixings all included. NZ/AU consent warning included.

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Paving Calculator

Paving
Concrete Pavers Brick Porcelain Stone Aggregate Gravel

Pavers, bedding sand, sub-base, jointing sand, edge restraints and geotextile. Pattern options for herringbone and offset.

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Concrete Calculator

Concrete
Slab Driveway Strip Footing Post Holes Columns Steps

Live volume display as you type. Ready-mix or bagged. Mesh, rebar, vapour barrier, sub-base and formwork all calculated.

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Landscaping Calculator

Garden
Garden Bed Planter Box Turf Mulch Topsoil Drip Irrigation Edging Sleeper Bed

Eight landscaping tools in one calculator. Covers everything from filling a planter box to laying a full lawn with drip irrigation.

Coming Soon
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Roofing Calculator

Coming

Iron, tile and metal roofing. Sarking, battens, fixings and flashings. Ridge and hip calculations.

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Cladding Calculator

Coming

Weatherboard, shiplap, cavity batten, Linea and Hardie systems. Starter strips and fixings included.

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Earthworks / Drainage

Coming

Cut and fill volumes, trench drain sizing, soakage pit design and stormwater pipe sizing.

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Paint Calculator

Coming

Interior and exterior paint coverage. Primer, undercoat and topcoat litres. Door and window deductions.