Home construction calculators
Get free preliminary estimates for materials, spaces, utilities and comfort—with no login, payment or daily usage limits.
Brick Calculator
Estimate brick quantity for a wall using wall size, thickness and wastage.
Open calculator →Cement Calculator
Convert wet concrete or mortar volume into an approximate number of cement bags.
Open calculator →Concrete Calculator
Calculate wet concrete volume for slabs, beams, footings and rectangular members.
Open calculator →Sand Calculator
Estimate the sand portion required from wet volume and the selected mix ratio.
Open calculator →Aggregate Calculator
Estimate coarse aggregate from concrete volume and a nominal mix ratio.
Open calculator →Tile Calculator
Estimate tile count from surface size, tile dimensions and cutting allowance.
Open calculator →Paint Calculator
Estimate paint litres using paintable area, coats, coverage and allowance.
Open calculator →Flooring Calculator
Estimate flooring packs from room area, pack coverage and waste.
Open calculator →Plaster Calculator
Calculate plaster volume from wall area, plaster thickness and wastage.
Open calculator →Wall Area Calculator
Calculate gross or net wall area after deducting doors and windows.
Open calculator →Room Area Calculator
Calculate rectangular room floor area using any supported length unit.
Open calculator →Carpet Area Calculator
Estimate carpet area from built-up area and the usable-area efficiency percentage.
Open calculator →Built-up Area Calculator
Estimate built-up area from carpet area and the loading percentage.
Open calculator →Square Feet Calculator
Convert rectangular length and width directly into square feet.
Open calculator →Land Area Calculator
Calculate rectangular plot or land area from length and width.
Open calculator →Steel Weight Calculator
Estimate round steel bar weight from diameter, length and quantity.
Open calculator →Rebar Weight Calculator
Calculate reinforcement bar weight using the standard d²/162 approximation.
Open calculator →Beam Calculator
Estimate rectangular beam concrete volume for one or multiple beams.
Open calculator →Column Calculator
Estimate rectangular column concrete volume from height, section and quantity.
Open calculator →Slab Calculator
Estimate concrete volume for a rectangular slab including a wastage allowance.
Open calculator →Staircase Calculator
Estimate the number of risers from total floor-to-floor rise and target riser height.
Open calculator →Water Tank Capacity Calculator
Calculate rectangular water tank capacity from internal length, width and depth.
Open calculator →Pipe Volume Calculator
Calculate internal pipe volume from inside diameter and pipe length.
Open calculator →Pipe Weight Calculator
Estimate metal pipe weight from outside diameter, wall thickness, length and density.
Open calculator →Roof Area Calculator
Estimate sloped roof surface area from plan dimensions, pitch and wastage.
Open calculator →Roofing Material Calculator
Estimate roofing sheets, tiles or packs from net roof area and product coverage.
Open calculator →AC Tonnage Calculator
Estimate preliminary air-conditioner tonnage from room area and heat-load adjustment.
Open calculator →Electricity Consumption Calculator
Estimate monthly electrical energy use from appliance wattage and operating hours.
Open calculator →Solar Panel Calculator
Estimate solar array size from monthly energy use, peak-sun hours and system performance.
Open calculator →Solar Battery Calculator
Estimate battery-bank amp-hour capacity for daily energy, autonomy and usable depth of discharge.
Open calculator →Generator Size Calculator
Estimate generator kVA from running load, starting surge and power factor.
Open calculator →UPS Calculator
Estimate minimum UPS VA rating from connected watts, power factor and design headroom.
Open calculator →Inverter Battery Calculator
Estimate battery amp-hours for a target backup time and connected load.
Open calculator →Wallpaper Calculator
Estimate wallpaper rolls from wall area, roll coverage and pattern/cutting allowance.
Open calculator →Fence Calculator
Estimate fence panels or bays from total fence line and panel width.
Open calculator →Cement Bag Calculator
Convert cement volume into approximate bag quantity using bulk density and bag weight.
Open calculator →RCC Calculator
Estimate reinforced cement concrete volume from member dimensions and wastage.
Open calculator →Excavation Calculator
Calculate excavation volume for trenches, pits or foundations.
Open calculator →Concrete Block Calculator
Estimate concrete/AAC block count from wall face area and block face size.
Open calculator →Paver Block Calculator
Estimate paving block quantity from paved area, block face dimensions and waste.
Open calculator →Construction Cost Calculator
Estimate an early home-building budget from area and local rate.
Open calculator →Rainwater Harvesting Calculator
Estimate collectable rainwater from roof area and local rainfall.
Open calculator →Electrical Load Calculator
Estimate connected and demand-adjusted load for home appliances.
Open calculator →Home Loan EMI Calculator
Estimate a monthly home-loan instalment from rate and tenure.
Open calculator →Wall Putty Calculator
Estimate wall putty weight from wall area, coats and product consumption.
Open calculator →Tile Adhesive Calculator
Estimate whole bags of tile adhesive using coverage and bag weight.
Open calculator →Waterproofing Material Calculator
Estimate coating weight for terraces, balconies and wet-area surfaces.
Open calculator →Skirting Calculator
Estimate whole skirting pieces from room perimeter and door openings.
Open calculator →Ceiling Panel Calculator
Estimate whole ceiling panels from ceiling area and panel dimensions.
Open calculator →Backfill Volume Calculator
Estimate loose fill to purchase from excavation, occupied volume and compaction factor.
Open calculator →Garden Mulch Calculator
Estimate bulk mulch volume from bed area, layer depth and an allowance.
Open calculator →Curtain Fabric Calculator
Estimate fabric length from track width, fullness, drop and fabric width.
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