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Essential tools for property, land, and building work.
The 4 tools our users open most often in this category.
Construction and property calculators for builders, contractors, architects, real-estate buyers, and DIYers — concrete volume, tile quantity, paint coverage, brick count, plot area (3 to 8 sided), room area, square footage, roofing, stair, fence, lumber, drywall, gravel, HVAC sizing, and more. Built for Pakistani Marla/Kanal/Acre as well as imperial and metric units.
Whether you're estimating concrete for a 10-Marla single-story house, ordering enough tile for a kitchen renovation with 10% waste built in, sizing the AC for a Lahore living room in summer, or calculating the area of an irregular 5-sided agricultural plot — these tools save hours of manual measurement and pricing math.
Native Marla/Kanal/Acre support with all three Marla systems (Shahi 272 / Big 250 / Small 225 sq ft).
Tile/paint/brick/drywall/gravel calculators include a customizable waste factor — never run out mid-project.
Plot area, room area, and quantity reports include a print-ready PDF certificate with diagram, measurements, and pricing.
Several reasons: (1) different Marla-size assumption (272 vs 250 vs 225 sq ft); (2) the surveyor's averaging method approximates irregular plots; (3) built-up area vs plot area confusion. A 1-3% variance is normal — larger differences warrant a Patwari survey.
Standard guidance: 10% for straight-grid tile, 15% for diagonal/herringbone, 5-10% for paint, 10-15% for brick. The calculators default to these values but you can override per project.
It's accurate to within 20% for typical homes — fine for shopping for window units or splits. For commercial spaces or precise central-AC design, use Manual J load calculation (or hire an HVAC engineer).
For initial screening, yes. For legal property transactions, always demand a Patwari-certified demarcation with corner-marker GPS coordinates — a calculator is not a substitute for a licensed surveyor.
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