Constructor Calculator HB

Construction Calculator HB helps site engineers, contractors, builders and home owners estimate construction materials and costs in seconds — right on the site, even without internet. Enter your dimensions in feet or meters and get cement bags, sand, aggregate, steel, bricks, blocks, tiles, paint and the estimated cost. Formulas follow Indian standards (IS 456, IS 2212, IS 1661, IS 1786) and common CPWD practice. ALL-IN-ONE COST ESTIMATOR • Total construction cost from built-up area and number of floors • Cement, steel, sand, aggregate, bricks, tiles and paint quantities • Economy, Standard, Premium or your own rate per sq.ft • Change local market rates for every material STRUCTURE & CONCRETE • RCC columns (rectangular and circular), slabs and staircases • Multi-section pour for footings, rafts and PCC • Concrete grades M7.5 to M40 with cement, sand, aggregate and water • Plum concrete (boulders + concrete) • Steel / TMT rebar weight by diameter (D²/162) • Shuttering / formwork area and plywood sheets MASONRY & FINISHING • Brickwork with mortar (4.5", 9", 13.5" walls) • AAC block walls with adhesive • Arch masonry • Plastering — internal, external, ceiling • Floor tiles with skirting and boxes • Paint, primer and wall putty • Gypsum drywall partitions SITE & EARTHWORK • Excavation in brass, cu.ft and m³ with truck trips • Anti-termite treatment (IS 6313) • Roofing sheets for gable, shed and hip roofs • Water tank / sump capacity and materials • Road pavement layers (GSB, WMM, DBM, BC) AREA, VOLUME & UNITS • Plot area for irregular plots (4 sides + diagonal) • Area and volume of trapezoid, triangle, circle, cylinder, cone and dome • Unit converter: sq.ft, sq.m, gaj, guntha, acre, bigha, hectare, brass, cft, m³, kg, quintal, tonne and more • Feet-inch calculator with fractions, rise/run/pitch, plus scientific and metric modes BOQ PROJECTS & PDF QUOTATION • Save any calculation to a BOQ (Bill of Quantities) project • Add your own items, quantities and rates • Track projects as Draft, Active or Completed • Share a professional PDF quotation on WhatsApp or email, or print it • Copy a quick text summary for WhatsApp WHY USE IT • Simple and fast — made for use on site • Works offline • Feet / meter switch converts your values automatically • Favorites for the calculators you use most • Indian units and ₹ rates Note: Results are estimates based on standard thumb rules and IS code factors. Always verify quantities with your structural drawings and a qualified engineer before ordering materials. Questions or suggestions? Write to us at info@fiveonedigital.in