Calculator directory
All Construction Calculators & Owner Protection Tools
Browse free construction calculators for house cost planning, material quantities, contractor quote checking, stage payments, site supervision, and unit conversion across South Asia and GCC.
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Featured owner protection
Start With Risk Checks
These tools help owners check quotes, budgets, payments, and site losses before small mistakes become expensive.
Find missing BOQ items before approving a contractor quote.
Best for: HomeownersOpen Tool Owner ProtectionHouse Budget Survival PlannerCheck whether your cash plan can safely support the full construction journey.
Best for: Owners abroadOpen Tool Owner ProtectionContractor Payment Milestone CalculatorCreate safer stage-wise payments and avoid overpaying before work is complete.
Best for: HomeownersOpen Tool Owner ProtectionMaterial Wastage / Theft Control CalculatorCompare expected vs actual material use and identify abnormal wastage or loss.
Best for: Site supervisorsOpen Tool Owner ProtectionGrey Structure vs Finishing Cost Split CalculatorUnderstand how much of your budget goes into structure versus finishing.
Best for: Budget planningOpen ToolComplete directory
Calculator Grid
Every card links to an existing static tool page.
Calculate concrete volume and cost for slabs, beams, columns, and pours.
Open MaterialCement Bags CalculatorEstimate cement bags, sand, aggregate, dry volume, wastage, and cost.
Open MaterialBrick CalculatorEstimate wall bricks from wall size, brick size, mortar gap, and rates.
Open FinishingTile CalculatorEstimate floor tiles and boxes with optional skirting and rates.
Open FinishingPaint CalculatorEstimate paint litres from room dimensions, openings, and coats.
Open MaterialRCC Slab Material CalculatorEstimate RCC slab concrete, cement bags, sand, crush, and cost.
Open MaterialSaria / Steel / Rebar Weight CalculatorCalculate rebar weight in kg and tons from diameter and length.
Open MaterialPlaster CalculatorCalculate plaster materials with thickness, mix ratio, and rates.
Open MaterialMortar CalculatorCalculate mortar quantities for masonry using volume or area.
Open MaterialSand CalculatorEstimate sand quantity and cost from volume, wastage, and rate.
Open MaterialAggregate / Crush CalculatorEstimate aggregate or crush quantity and cost in site units.
Open Cost CalculatorConstruction Cost CalculatorBuild a quick total construction estimate from covered area and local rates.
Open Cost CalculatorGrey Structure CalculatorCreate a rough grey structure estimate from area and material rates.
Open FinishingFinishing Cost CalculatorEstimate finishing budget by covered area, quality, and allowances.
Open Cost Calculator5 Marla House Construction CalculatorEstimate 5 marla house cost using area, floors, and rates.
Open Cost Calculator10 Marla House Construction CalculatorEstimate 10 marla house cost with grey and finishing rates.
Open Cost Calculator1 Kanal House Construction CalculatorEstimate 1 kanal house construction with separate rate inputs.
Open Cost CalculatorCost Per Square Foot CalculatorConvert total project cost into cost per sqft and sqm.
Open Cost CalculatorBOQ Quick Estimate CalculatorPrepare a quick BOQ-style summary with cost heads.
Open FinishingFlooring CalculatorEstimate flooring quantity and material cost from room dimensions.
Open FinishingFalse Ceiling CalculatorCalculate ceiling area and budget for common ceiling systems.
Open FinishingWallpaper CalculatorEstimate wallpaper rolls from wall dimensions, roll size, and rate.
Open FinishingDoor and Window Cost CalculatorCalculate door and window area and cost by material.
Open RenovationRoom Renovation CalculatorBuild a quick room renovation budget from size and rates.
Open RoofingRoofing CalculatorCalculate roof quantity and cost for common roofing systems.
Open RoofingRoof Slab Cost CalculatorEstimate roof slab budget from dimensions, thickness, and rates.
Open MEP & UtilitiesWater Tank Size CalculatorSize a domestic water tank from people, usage, and storage days.
Open MEP & UtilitiesSeptic Tank Size CalculatorApproximate septic tank size from users, usage, and retention.
Open Site WorkExcavation CalculatorEstimate excavation quantity and cost from dimensions and bulking.
Open Site WorkBackfill CalculatorEstimate backfill quantity and cost with a compaction factor.
Open MEP & UtilitiesElectrical Load CalculatorAdd appliances to estimate load, daily kWh, monthly kWh, and cost.
Open MEP & UtilitiesSolar Load CalculatorSize solar systems from kWh, sun hours, efficiency, and panels.
Open MEP & UtilitiesUPS Battery Backup CalculatorEstimate UPS battery size from load, backup time, voltage, and Ah.
Open MEP & UtilitiesAC Tonnage CalculatorEstimate BTU requirement and suggested AC tonnage.
Open MEP & UtilitiesGenerator Size CalculatorCalculate running load, starting load, and recommended generator kVA.
Open ConverterLand Area ConverterConvert land area between sqft, sqm, sqyd, marla, kanal, and acre.
Open ConverterMarla Kanal ConverterConvert marla and kanal to square feet, square yards, and meters.
Open ConverterBigha Katha ConverterConvert bigha and katha using regional or custom land standards.
Open ConverterSquare Feet to Square Meter ConverterConvert square feet and square meters in both directions.
Open ConverterCubic Feet to Cubic Meter ConverterConvert CFT and cubic meters for volume planning.
Open ConverterFeet-Inch CalculatorAdd, subtract, and convert feet-inch site measurements.
Open ConverterConstruction Unit ConverterConvert common construction units for site measurements and rates.
Open Site SupervisionLabor Cost CalculatorCalculate labor cost, cost per day, and cost per unit.
Open Site SupervisionMaterial Wastage CalculatorAdd practical material wastage to any base quantity.
Open Site SupervisionConstruction Time Estimate CalculatorEstimate project duration from size, crew, and productivity.
Open MaterialCement Sand Ratio CalculatorEstimate mix quantities for mortar or concrete ratios.
Open MaterialBlock Wall CalculatorCalculate block wall quantities with wastage and rate.
Open Site WorkBoundary Wall CalculatorEstimate boundary wall running length, area, and material count.
Open Site SupervisionStaircase CalculatorPlan basic risers, treads, stair run, and approximate slope.
Open Site SupervisionConstruction Estimate Print SheetPrepare a browser-printable estimate sheet with rows and totals.
OpenFAQ and disclaimer
About These Construction Tools
Use the directory for planning, checking, and discussion. Final decisions should still be verified by qualified local professionals.
Do all cards link to real tools?
Yes. This directory only includes live static pages that exist in the website.
Can I search by problem instead of calculator name?
Yes. Search terms such as BOQ, payment, cement, solar, tiles, marla, wastage, and water tank will match relevant tools.
Do these calculators use live market rates?
No. Enter your own local rates because construction prices vary by country, city, supplier, and quality.
Are the results final engineering advice?
No. These are preliminary planning estimates only and should be checked against drawings, site conditions, contractor scope, and professional advice.
Estimate Disclaimer
This tool directory provides preliminary construction estimates for planning and discussion only. Local rates, site conditions, design requirements, labor practices, contractor scope, and engineering requirements can vary. Always verify with a qualified professional before making financial, structural, or contractual decisions.