Free Online Calculators for Architecture, Interior Design, Construction and Property Development
Avenir Developments is Pakistan’s specialist design‑build firm. Use our free, professional calculators — construction cost, FAR, finishing, materials, energy, and ROI — to plan 5–20 Marla and 1–2 Kanal projects in Lahore, Islamabad, DHA, Bahria with accuracy, transparency, and confidence.
CONSTRUCTION TOOLS
🏗️ Free Architecture & Construction Calculators
Plan smarter with Pakistan‑specific construction tools: cost per square foot, FAR/FSI, covered area, parking, stairs, windows, structure, and schedules. Built for Lahore, Islamabad, DHA, Bahria projects—optimize budgets, compliance, and design decisions before you build, minimizing risk and saving time.
LAND AREA CONVERSION CALCULATOR
Convert Marla, Kanal, Sarsai to square feet and square yards for Lahore, Islamabad, DHA, Bahria—accurate plot sizing for architecture, planning, approvals.
CONSTRUCTION COST CALCULATOR
Estimate grey structure and finishing costs per square foot for 5, 10 Marla, 1 Kanal homes in Lahore, Islamabad—local material, labor, contingencies budgeting.
GREY STRUCTURE COST CALCULATOR
Building a House in Pakistan? This Grey Structure Cost Calculator helps you plan the construction budget of your new home.
STAIRCASE DESIGN TOOL BY AVENIR DEVELOPMENTS
Auto‑calculate riser, tread, angle, run, landings, headroom. Pakistan‑ready presets: CDA, LDA, DHA. Ensure comfortable, code‑aware staircase design for residential and commercial projects.
WINDOWS TO WALL RATIO CALCULATOR
Optimize WWR for daylight, views, façade expression, and energy performance—balance glazing percentages to manage solar heat gain in Lahore and Islamabad climates and codes.
brick and block calculator
Estimate interior and exterior paint gallons by room size, coats, coverage — prevent shortages, save money, and spec Dulux, Berger, Nippon accurately for flawless finishing.
FALSE CEILING AREA AND COST CALCULATOR
Estimate interior and exterior paint gallons by room size, coats, coverage—prevent shortages, save money, and spec Dulux, Berger, Nippon accurately for flawless finishing.
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INTERIOR DESIGN TOOLS AND CALCULATORS
🛋️ Interior Design & Finishing Estimators
Estimate finishes professionally: paint, tiles, flooring, lighting, doors, wardrobes, kitchens, and fixtures. Control specifications, quantities, and costs for 5, 10 Marla and 1, 2 Kanal homes across Lahore and Islamabad. Balance aesthetics, durability, and budget for premium interiors.
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Paint Quantity Calculator
Estimate interior and exterior paint gallons by room size, coats, coverage—prevent shortages, save money, and spec Dulux, Berger, Nippon accurately for flawless finishing.
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Tile / Marble Calculator
Measure rooms, include wastage, and calculate required ceramic, porcelain, or marble tiles—order accurately for bathrooms, kitchens, living spaces; control finishing budgets in Pakistan.
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Lighting Requirement Tool
Calculate recommended lumens, wattage, and fixtures by room type and size—achieve professional, energy‑efficient lighting design for bedrooms, kitchens, and offices using LED standards.
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AC TONNAGE CALCULATOR
Calculate AC Tonnage by room type and size — achieve professional, Cooling design for bedrooms, kitchens, and offices using International HVAC standards.
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MATERIAL QUANTITY CALCULATORS
🔨 Material Quantity Calculators
Order materials accurately with brick, block, cement, sand, steel rebar, concrete, glass, and insulation calculators. Reduce wastage, avoid costly site delays, and align procurement with contractor schedules for grey structure and finishing works throughout Pakistan’s markets.
WINDOWS AND GLASS ESTIMATOR
Estimate aluminum or uPVC windows, glazing areas, and costs—compare options for aesthetics, performance, energy efficiency; plan within construction budgets for Pakistani homes and apartments.
Steel Weight Calculator
Compute rebar weights by diameter and length for footings, columns, beams, slabs—order steel accurately to maintain structural safety and avoid costly budget overruns.
Tile Requirements Calculator
Measure rooms, include wastage, and calculate required ceramic, porcelain, or marble tiles—order accurately for bathrooms, kitchens, living spaces; control finishing budgets in Pakistan.
PROPERTY DEVELOPMENT TOOLS
REAL ESTATE DEVELOPMENT CALCULATORS
Avenir Developments has developed state of the art calaulators to help you with real estate property development.
RENTAL YIELD CALCUALTOR tool
Calculate rental income, expenses, and net yield for apartments, houses, and shops—benchmark DHA Lahore and Islamabad markets to make smarter investment decisions quickly.
far FLOOR AREA RATIO CALCUALTOR
Calculate Floor Area Ratio per bylaws—test site coverage, floors, setbacks, and height envelopes; unlock buildable area potential for residential, commercial, and mixed‑use projects.
GFA GROSS FLOOR AREA calculator
Convert FAR/FSI into Gross Floor Area or derive from floors and site coverage—plan area programs, elevators, cores, and parking more intelligently during concept design.
parking space calculator
Estimate parking requirements by building use, ratios, efficiency, and ramping—right‑size basements, podiums, and driveways for apartments, offices, and retail under Pakistan’s codes.
REAL ESTATE INVESTMENT ROI CALCULATOR
Model price, rent, OPEX, and financing to calculate cap rate, cash‑on‑cash, IRR, and equity growth—compare scenarios and de‑risk development decisions in minutes.
property development feasibility calculator
Early‑stage feasibility with sustainability lens—estimate costs, schedules, and risk; align design, MEP, envelope strategies with Pakistan’s climate, codes, and target ROI goals.
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SUSTAINABILITY TOOLS
🌿 Green Building
& Sustainability Calculators
Design efficient, climate‑smart projects: solar PV sizing, rainwater harvesting, daylight/WWR, envelope optimization, and LEED scoring. Cut energy bills, improve comfort, and align with CDA/LDA/DHA expectations while boosting long‑term value for Lahore and Islamabad properties.
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Solar Panel
Calculator
Size residential solar PV (kW) from electricity bills—estimate production, savings, and payback; explore net‑metering feasibility for DHA Lahore and Islamabad homes.
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Rainwater Harvesting Calculator
Estimate roof catchment, storage capacity, and daily demand—reduce water bills, design tanks and filtration, support sustainable homes in water‑stressed Pakistani cities.
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leed certification assessment tool
Score LEED v4/v4.1 credits across LT, SS, WE, EA, MR, EQ, IN—identify gaps and map routes to Certified, Silver, Gold, or Platinum certification.
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PASSIVE HOUSE DESIGN CALCULATOR
Score LEED v4/v4.1 credits across LT, SS, WE, EA, MR, EQ, IN—identify gaps and map routes to Certified, Silver, Gold, or Platinum certification.
CONSTRUCTION AND DESIGN TOOLS FAQs
FAQs
A reliable calculator should account for city, covered area, basement, quality tier, and scope split. Avenir’s calculator helps serious clients compare early budget ranges before moving into design drawings, BOQs, and contractor discussions.
Yes. These calculators are most useful before your first consultation because they help you shortlist budget, feasibility, and project direction. That makes your meeting with an architect, interior designer, or design-build company more productive.
It is accurate enough for planning, comparison, and decision-making at concept stage, but not for final contracting. Final numbers depend on drawings, soil conditions, structure, MEP requirements, finishes, and authority-driven design constraints.
Start with construction cost, then test covered area or FAR, then review parking, ROI, and finishing assumptions. This sequence helps owners and developers avoid wasting time on ideas that do not fit the site or budget.
Yes. FAR and Gross Floor Area calculators help estimate buildable potential before design starts. They are especially useful for apartment, mixed-use, and commercial projects where development value depends on efficiency and permissible built-up area.
Because land value is tied to how much usable floor area the plot can support. A quick FAR or GFA check can reveal whether a site truly suits your apartment, plaza, office, or mixed-use investment strategy.
Yes. That comparison is critical for clients evaluating design-build options, construction quality tiers, or financing plans. Separating grey structure, finishing, and total cost gives a clearer picture than one blended number.
Yes. A rental yield calculator helps investors compare expected rent against acquisition and development cost. It is useful for apartments, commercial plazas, mixed-use buildings, and rental-focused homes where returns drive planning decisions.
A parking calculator helps you test required bays against site and basement capacity early. This matters because parking directly affects feasibility, circulation, structural planning, and the commercial viability of multi-storey development projects.
Yes. Paint and finishing calculators help estimate material quantities, cost ranges, and budget priorities before procurement. That is useful for homeowners and developers comparing standard, premium, or luxury finishing options across different spaces.
Definitely. A windows-to-wall ratio calculator helps balance daylight, glazing percentage, privacy, and heat gain. It is especially useful for modern façades where visual appeal must still align with comfort, energy performance, and long-term practicality.
The next step is to discuss your plot, goals, budget, and timeline with Avenir. The calculators help define direction, but architecture, interior design, and construction decisions become reliable only after professional planning and project-specific scope alignment.
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Construction and Design Calculators in Pakistan
Share your drawings or plot size now. Get a tailored cost breakdown, timeline, and materials plan from Avenir Developments—Pakistan’s specialist design‑build experts in Lahore and Islamabad.
