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Home & DIY

Estimate materials for painting, flooring and other home projects. Allow for waste, layer thickness and pack sizes when planning your purchase.

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16 calculators

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16 calculators available.

Home & DIYPaint calculatorEstimate paint quantity from the surface area, number of coats, manufacturer coverage and an allowance.

Home & DIYTile calculatorCalculate tile coverage and whole packs with your chosen waste allowance and pack size.

Home & DIYLaminate flooring calculatorCalculate the number of flooring packs with your chosen waste allowance and pack size.

Home & DIYPaving calculatorCalculate paving area and whole packs with your chosen waste allowance and pack size.

Home & DIYTurf calculatorCalculate the rolls needed for a lawn with your chosen waste allowance and roll size.

Home & DIYConcrete calculatorEstimate the concrete volume for a rectangular slab and its material cost using your own price.

Home & DIYAggregate calculatorCalculate loose volume, estimated mass and material cost for a layer over an area.

Home & DIYGravel calculatorCalculate loose volume, estimated mass and material cost for a layer of gravel over an area.

Home & DIYSoil calculatorCalculate loose volume, estimated mass and material cost for a layer of soil over an area.

Home & DIYMulch calculatorCalculate loose volume, estimated mass and material cost for a layer of mulch over an area.

Home & DIYGrass seed calculatorCalculate seed quantity from the area, the application rate on the pack and your allowance.

Home & DIYHedge plant spacing calculatorFind the number of plants needed along a length at your preferred maximum spacing.

Home & DIYSlope and gradient calculatorCalculate gradient in percent, slope angle and sloping length from a height difference and horizontal distance.

Home & DIYWallpaper calculatorEstimate rolls from wall width, wall height, roll size and an allowance for each strip.

Home & DIYDripping tap water loss and cost calculatorEstimate water loss from drops per minute, water collected over a measured time or a known hourly flow. See daily, 30-day and annual costs, plus an optional repair payback estimate.

Home & DIYLeaking toilet water loss and cost calculatorEnter an estimated hourly loss or compare two water-meter readings over a measured period. Subtract any known water use to estimate the unexplained flow and its water and wastewater costs.