Construction Calculator Pro

Construction Calculator Pro is the ultimate toolbox of professional-grade construction calculators — packed with 80+ calculators across 10 specialized categories. Whether you're a contractor estimating materials, a builder checking structural requirements, or an engineer verifying calculations on-site, this app delivers instant, accurate results with detailed breakdowns. 🔧 10 CATEGORIES, 80+ CALCULATORS: ▸ CONCRETE & MASONRY — Volume, slab, footing, column, stair, wall, rebar, masonry block ▸ EARTHWORK & GRADING — Excavation, backfill, trench, compaction, grading, cut & fill, soil bearing, topsoil ▸ FRAMING & CARPENTRY — Stud wall, deck, joist, rafter, beam, staircase, plywood, board footage ▸ ROOFING — Shingle, metal, roof area, underlayment, gutter, flashing, ventilation, insulation ▸ ELECTRICAL — Voltage drop, wire size, conduit fill, circuit breaker, load, receptacle, lighting, panel ▸ PLUMBING — Pipe size, water heater, drainage slope, fixture unit, water pressure, supply line, vent pipe, septic ▸ HVAC — AC size, duct size, heat loss, CFM, BTU, refrigerant, air filter, energy efficiency ▸ FINISHING & INTERIOR — Drywall, paint, tile, flooring, baseboard, crown molding, wallpaper, ceiling ▸ COST ESTIMATION — Project cost, bid, material takeoff, labor, markup, change order, overhead, value engineering ▸ SITEWORK & LANDSCAPE — Fence, paving, retaining wall, drainage, gravel, mulch, irrigation, concrete curb 📊 FEATURES: • Instant calculations with detailed result breakdowns • Professional PDF reports — export and share with clients • CSV export for spreadsheet integration • Calculation history with auto-save and bookmarks • Unit converter built into every calculator • Dark mode support for outdoor/low-light use • Works completely offline — no internet required • Keep screen on mode for job site use • Search across all 80+ calculators instantly 📐 BUILT FOR PROFESSIONALS: Every calculator includes: • INPUT tab — clean form with smart unit toggles • REPORT tab — detailed results with material breakdowns and cost estimates • DOCS tab — formulas, code references, and best practices 🔒 PRIVACY FIRST: All calculations happen on your device. No data leaves your phone. No account required. Download now and put 80+ professional calculators in your pocket.