Construction calculators for clearer site decisions.
Run one free preview per calculator each day. Get a useful headline quantity here, then continue in Build Estimate for the complete material breakdown, costs and saved project.
Choose what you need to measure
The automatic floor-plan estimator remains exclusive to the Build Estimate app.
Wall and Fence Block Calculator
Estimate the number of sandcrete blocks required for a wall or fence from its length, height, openings and wastage.
Open calculatorBlock Moulding Calculator
Estimate cement bags for moulding 6-inch or 9-inch sandcrete blocks in Nigeria.
Open calculatorMortar Calculator
Estimate cement for block-laying or plaster mortar from wet volume, dry-volume factor and mix ratio.
Open calculatorConcrete Material Calculator
Calculate wet concrete volume for slabs, beams, columns and footings from measured dimensions.
Open calculatorRoofing Sheet Calculator
Estimate long-span roofing sheets from roof length, slope width and effective sheet cover width.
Open calculatorRebar Weight Calculator
Convert reinforcement bar diameter and total length into an estimated steel weight.
Open calculatorTile Quantity Calculator
Estimate individual floor or wall tiles from surface area, tile dimensions and cutting allowance.
Open calculatorPaint Quantity Calculator
Estimate finish-paint litres from net surface area, coats and manufacturer coverage rate.
Open calculatorPVC Ceiling Calculator
Estimate PVC ceiling panels from room dimensions, panel width and wastage.
Open calculatorExcavation Volume Calculator
Calculate trench or pit excavation volume from length, width, depth and quantity.
Open calculatorConstruction Wastage Calculator
Apply a transparent wastage allowance to blocks, cement, tiles, steel or roofing quantities.
Open calculatorConstruction Unit Converter
Convert metres to feet for quick construction measurement checks.
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