Construction Calculator A1 vs LFA Roofs Pro

The #1 construction calculator trusted by 1M+ contractors, builders, and engineers worldwide. Construction Calculator A1 — the complete civil engineering toolkit for contractors, builders and engineers. 500+ calculators, from a single slab to a client-ready Bill of Quantities. CONCRETE CALCULATOR • Slabs, footings, columns, beams, stairs, walls & culverts • Instant material quantities: cement bags, sand, aggregate • Mix ratios and grade selection for any specification REBAR & STEEL CALCULATOR • Bar Bending Schedule (BBS) with shape codes and cutting lengths • Weight calculator for metric and US bar sizes (#3–#11) • Lap length, cover & spacing calculations • Steel tonnage for structural estimates FEET-INCHES CALCULATOR • Add, subtract, multiply, divide in feet-inches-fractions • No decimal conversion needed • Running tape you can review and reuse BILL OF QUANTITIES (BOQ) — NEW • Send any calculation straight to a BOQ • Organise by project, track total value and % priced • Professional report with your company header and signature • Export as PDF or Excel AUTOMATIC DRAWINGS — NEW • Calculators draw a dimensioned sketch of what you entered • Brickwork, steel shapes, concrete sections, excavation, stairs • Drawings and a DIMENSIONS panel included in every PDF MATERIAL PRICE LIBRARY — NEW • Store your own rates in your own currency • Rates auto-fill into cost fields across the app • Six regional presets with local materials and units APPLE WATCH APP — NEW • Converter, material weight, volume, diagonal and rebar on your wrist • Prices synced from iPhone, with full calculation history AREA & VOLUME • 50+ shapes: rectangle, circle, triangle, trapezoid, polygons, prisms, cones, spheres and more • Draw Shape and GPS Area for irregular plots • Room area, paint coverage, flooring and excavation volumes UNIT CONVERTER • Length, area, volume, weight, pressure, power, speed, density and more • Construction-specific units throughout LEARN — NEW • Civil engineering articles, checklists and reference charts • Topic quizzes with instant explanations • Daily streaks, XP and achievement badges PROFESSIONAL FEATURES • Save and organise calculations by project, with notes and photos • Share estimates with clients instantly • Construction cost estimator with breakdown charts and quotations • Company branding on every report • Google Drive and iCloud backup, cloud sync across devices • Metric and Imperial, 16 languages, light and dark themes • Works offline — calculations need no internet SUBSCRIPTION INFORMATION Construction Calculator Pro is available as a monthly or yearly auto-renewing subscription, or as a one-time Lifetime purchase. • Payment is charged to your Apple ID account at confirmation of purchase. • Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. • Your account is charged for renewal within 24 hours prior to the end of the current period, at the rate of your selected plan. • Manage or cancel your subscription in your App Store account settings after purchase. Privacy Policy: https://www.binaryandbricks.com/app/privacypolicy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Built for real job sites. Download now and estimate like a pro.

LFA Roofs Pro helps contractors, framers, carpenters, architects, and builders explore wood roof framing. Enter roof dimensions, inspect the structure in interactive 3D, and review measurements and material estimates. KEY FEATURES 15 ROOF AND FRAMING MODES: • Common Rafter • Hip Roof • Gable Roof • Shed Roof • Gambrel Roof • Valley Roof • Dormer Roof • Octagonal Turret Roof • Bay Roof • Plywood Deck Layout • Hip and Valley (L-Shape) • Different Wall Heights • Multi-Roof • Roof Addition • Wrap-Around Porch Roof INTERACTIVE 3D AND 2D PLANS: • Orbit the 3D model to inspect framing and roof layers. • Review dimensioned 2D plans, elevations, and sections. • See calculated rafter dimensions and cut information. REPORTS AND EXPORT: • Generate dimensioned PDF reports for project planning. • Export 3D and CAD files in .OBJ, .DAE, and .DXF formats. • Review lumber takeoffs, cut lists, and cost estimates. BUILDING CODE REFERENCE: • Calculations incorporate framing rules from the 2021 International Residential Code (IRC). • Check local code requirements and have a qualified professional review structural details before construction or permit submission. SUBSCRIPTION AND LEGAL INFORMATION: • Premium access is available through monthly and annual auto-renewable subscriptions. • Payment will be charged to your Apple Account at confirmation of purchase. • Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours before the end of the current period. • You can manage or cancel your subscription in your Apple Account settings. Terms of Use (EULA): https://lfa-legal.surge.sh/terms.html Privacy Policy: https://lfa-legal.surge.sh/privacy.html