DIY Calculators

Lumber Board Feet Calculator

Calculate board feet of lumber for any project. Enter dimensions and quantity to find total board footage and estimate costs.

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Deck Boards Calculator

Calculate how many deck boards you need for any deck size. Accounts for board width, gap spacing, and waste percentage.

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Gravel Calculator

Calculate how much gravel, pea shingle, or crushed stone you need for any area. Get tonnes and bulk bag quantities.

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Mulch Calculator

Calculate how much garden mulch you need for any bed or border. Works for bark chippings, wood chip, compost, and decorative mulches.

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Fence Post Calculator

Calculate how many fence posts and panels you need for any run. Works for all panel widths and includes concrete quantities.

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Roofing Shingles Calculator

Calculate how many roofing shingles or tiles you need for any roof. Enter dimensions and pitch to get square footage and bundle count.

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Sand Calculator

Calculate how much sand you need for any project — jointing, bedding, screeding, plastering, or laying slabs. Get tonnes and bags.

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Stair Stringer Calculator

Calculate the number of stairs, riser height, and tread depth for any staircase. Includes building regulation compliance checks.

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Garden Soil & Topsoil Calculator

Calculate how much topsoil, compost, or raised bed mix you need for any garden bed, raised bed, or lawn area.

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Fence Post Calculator

Calculate how many fence posts you need for any fence length. Covers post spacing, concrete requirements, and total materials.

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Drywall / Plasterboard Calculator

Calculate how many sheets of drywall or plasterboard you need for any room. Covers walls, ceilings, and waste allowance.

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Staircase Calculator

Calculate the number of steps, riser height, and tread depth for any staircase. Ensures your stairs meet building regulations.

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Solar Panel Output Calculator

Estimate how much electricity your solar panels will generate and how long until they pay for themselves.

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Concrete Footings Calculator

Calculate concrete needed for strip foundations, pad footings, and post holes. Get volumes, bag quantities, and mix ratios for any foundation type.

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Brick Calculator

Calculate how many bricks you need for any wall. Enter wall dimensions and brick type to get an exact count with mortar and waste allowance.

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Tiling Time Estimator

Estimate how long a tiling job will take based on area, tile size, and your experience level. Useful for planning projects and quoting work.

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Concrete Mix Ratio Calculator

Calculate the exact quantities of cement, sand, and aggregate for any concrete mix ratio. Works for C15, C20, C25, and C30 concrete grades.

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Concrete Volume Calculator

Calculate concrete needed for any slab, path, or pour in cubic metres and bags. Works for rectangular and circular slabs.

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