Construction Calculator Pro

80+ professional construction calculators for contractors, builders & engineers

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.