Construction Calc Pro Lite vs OpusCalc Pro

Construction Calc Pro turns your device into an advanced jobsite computer. Built specifically for contractors, builders, carpenters, and project supervisors, it combines full fractional-inch dimensional math with integrated material takeoffs and project estimation sheets. Eliminate expensive standalone handhelds—run your framing cuts, stair layouts, material orders, and job estimates right from your pocket. CORE DIMENSIONAL MATH & CONVERSIONS - Calculate in feet, inches, and fractional inches down to 1/64 inch - Full math support: Add, subtract, multiply, divide, powers, and square roots with mixed units - Instant conversions: Fractions to decimals, square and cubic footage, metric to imperial, angles, and temperatures - Automatic fraction reduction to lowest common denominators - Split-screen view displays active calculations, measurements, and memory registers simultaneously - 50 shared memory registers accessible across all specialized modules PROJECT ESTIMATION & MATERIAL TAKEOFFS - Instant takeoffs for concrete pours, block walls, drywall sheets, paint, tile, and lumber - Calculate surface areas and volumes for standard, angled, and complex compound shapes - Export to a running job estimate sheet to tally project totals - Email itemized takeoffs directly to clients, suppliers, or your crew right from the site ROOF, STAIRS & STRUCTURAL LAYOUT - Stairs & Stringers: Solve total rise, run, unit rise, unit run, riser and tread counts, stringer length, and minimum stairwell openings with scale-drawn diagrams - Rafters & Framing: Integrated right-angle trigonometry solves slope, pitch, common rafters, hips, and valleys with visual graphic feedback - Crown Moulding: Calculate precise miter and bevel saw settings for any wall angle and any spring angle - Arcs & Circles: Solve radius, circumference, sector area, arc length, and segments fast Designed for professional trades who need reliable, jobsite-tested calculations without ads, subscriptions, or bulky handheld devices. Built-in help guides and instructions included for every module.

OpusCalc Pro is a professional construction calculator for contractors, framers, and tradespeople — built for feet, inches, and fractions on the job site. Try all 11 calculators free. Get IRC-compliant stair layouts, concrete yardage, stud counts, rafter lengths, drywall sheets, and more — with a custom imperial keyboard designed for field use. 11 PROFESSIONAL CALCULATORS Stair Stringer: Get 2021 IRC-compliant layouts in seconds, including exact riser heights, tread counts, and total run. Roof Rafter: Master common, hip, and valley rafters with precise fractional outputs for any pitch. Stud Count: Calculate field studs, corners, T-wall intersections, openings, and plate material with adjustable 5%, 10%, or 15% waste margins. Drywall: Estimate sheet counts from gross area minus doors and windows, with adjustable waste. Paint: Calculate gallons needed by coat count, adjusted for doors and windows. Flooring and Tile: Convert any area into exact tile or box counts with adjustable waste factors so you never run short. Concrete Volume: Estimate cubic yardage for slabs, columns, and footings, including pre-mix bag counts. Block and Brick: CMU block and brick estimator with mortar bag counts and adjustable waste margins. Right Angle: Square up any layout instantly using 3-4-5 triangle math. Area and Volume: General area and cubic yard calculator with waste margin. Fractions: Convert between fractions and decimals in one tap. PROJECT MANAGEMENT (OPUSCALC PRO) With an OpusCalc Pro subscription, save calculations to named projects, sync across devices, and export branded PDFs via AirDrop, email, or Files. Your work is saved locally first and syncs to the cloud automatically when online. FIELD READY A high-contrast dark mode designed for readability in any lighting, featuring a custom imperial keyboard for fast fractional input in feet, inches, and fractions — the way you actually measure on the job site. OPUSCALC PRO SUBSCRIPTION Try all 11 calculators free before subscribing. Unlock unlimited calculations with a monthly or yearly plan. Payment is charged to your Apple ID. Subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Support: support@opuscalc.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Built by RM Digital Enterprise LLC