# Construction Calculator A1 Pro — Concrete Steel & BOQ Estimator > Construction calculator for concrete, rebar, area, volume, and BOQ estimation. (iPhone/iPad app by Binary And Bricks Pvt Ltd.) - Source: https://appshunter.io/ios/app/construction-calculator-a1-pro/id1587368490 (this page in markdown: same URL + `.md`) - Developer: [Binary And Bricks Pvt Ltd](https://appshunter.io/developer/1587170688) - Category: Productivity, Education - Price: $39.99 - Rating: 4.60/5 from 7 App Store ratings · 13 written reviews indexed - Age rating: 4+ - Requires: iOS 15.0 · 124 MB - Languages: American English - Released: 2021-10-02 - Data updated: 2026-08-24 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/construction-calculator-a1-pro/id1587368490/reviews.md ## What is Construction Calculator A1 Pro? Trusted by 1M+ contractors, builders and engineers worldwide. Construction Calculator A1 Pro is a complete civil engineering toolkit for engineers, contractors, architects, site supervisors, quantity surveyors (QS) and real estate professionals. 500+ calculators take you from material estimation and RCC design all the way to a client-ready Bill of Quantities - on your iPhone, iPad and Apple Watch. EVERYTHING UNLOCKED, NO ADS - No advertising anywhere in the app - Unlimited calculations - no daily cap - Every calculator unlocked, including Draw Shape, GPS Area and the specialist trade tools - Unlimited favourites, recents and custom formulas - Cloud sync across your devices, included - One purchase. No subscriptions, no in-app purchases. IDEAL FOR - Civil Engineers & Contractors - RCC, beam, column, footing & reinforcement - Quantity Surveyors & Estimators - Fast, accurate material take-offs - Site Supervisors & Project Managers - On-site calculations and costing - Architects & Builders - Area, volume and design measurements - DIY Home Builders & Real Estate Professionals - Land and plot area NEW - BILL OF QUANTITIES (BOQ) - Add any calculation result straight to a BOQ - Organise work by project, track total value and % priced - Professional BOQ report with your company header and signature - Export as PDF or Excel and send to clients NEW - AUTOMATIC DRAWINGS - Calculators generate a dimensioned drawing of what you entered - Brickwork, steel/BBS shapes, concrete sections, excavation, stairs and more - Drawings and a DIMENSIONS/QUANTITIES panel in every PDF report NEW - MATERIAL PRICE LIBRARY - Store your own material rates in your own currency - Rates auto-fill into cost fields across the app - Six regional presets with local materials and units NEW - APPLE WATCH APP - Converter, material weight, volume, diagonal and rebar on your wrist - Prices synced from your iPhone, with full calculation history NEW - LEARN: STUDY & QUIZ - Civil engineering articles, checklists and reference charts - Topic quizzes with instant explanations - Daily streaks, XP, stars and achievement badges QUANTITY CALCULATORS - Concrete - slab, beam, column, footing, staircase, retaining wall, culvert - Steel & BBS - reinforcement weight, cutting length, bar bending schedules - Brick, Block & Plaster - walls, bonds, arches, AAC/CLC blocks - Flooring, Tile & Plywood - Paint - litres/gallons with coats and coverage - Water Tank - rectangular, cylindrical, spherical, capsule and more - Excavation & Backfill, Anti-Termite, Shuttering, Plum Concrete - Roofing - area, pitch, rafter length, gable and flat roofs - Infrastructure - road, rail, dam, sewage, water supply - Specialist trade tools - drywall, deck stain, vinyl fence, ladder angle and length, man-hours, arch - Construction Cost Estimator with breakdown charts and client quotations AREA & VOLUME - Plot area, rectangle, square, triangle, circle, trapezoid, polygons - Cube, cone, cylinder, sphere, prism, pyramid, frustum and more - Draw Shape and GPS Area for irregular plots UNIT CONVERTER - Length, area, volume, weight, pressure, power, speed, time, fuel, angle, density - Feet-inch-fraction construction calculator with a running tape SAVE, SHARE & SYNC - Save calculations, add notes and photos, organise in folders - Export PDF and Excel reports with your company logo and signature - iCloud and Google Drive backup - Cloud sync across all your devices WHY CHOOSE CONSTRUCTION CALCULATOR A1 PRO - Metric & Imperial - switch instantly in any calculator - Works offline - calculations need no internet - 16 languages - Light and dark themes - Home Screen widgets and Quick Actions - Clean interface built for the jobsite NEED HELP OR HAVE SUGGESTIONS? We value your feedback. Contact constructioncalculatorallinone@gmail.com for support or feature requests. ## Key features - Concrete quantity estimation - Rebar bending schedule (BBS) - Feet-inches calculator - Area and volume calculations - Bill of Quantities (BOQ) export - Project organization and sharing ## Recent user reviews (10 of 13) All indexed reviews: https://appshunter.io/ios/app/construction-calculator-a1-pro/id1587368490/reviews.md ### 5/5 — Review *2026-08-19* This app is excellent ### 1/5 — There are many wrong calculations in plastering and some other items *2026-05-31* Need to improve much **Developer response:** Thank you for your feedback. We strive to provide calculations based on standard engineering formulas and industry practices. If you could share specific examples or screenshots of the calculations you believe are incorrect, our team will be happy to review them. Please email the details to techsupport@binaryandbricks.com. Your feedback helps us continue improving the app. ### 5/5 — Very supportive *2026-01-25* Suggested updates are done and thank for supporting while purchasing app **Developer response:** Thank you for your feedback! We're glad our team could assist you during the purchase. If you need any further help, feel free to email us at techsupport@binaryandbricks.com 😊 ### 5/5 — Best app for contractors *2026-01-24* Best app for contractors **Developer response:** Thank you so much for your detailed review and support! We're really happy that Construction Calculator A1 Pro is helping in your daily site work. Your feedback motivates us to keep improving the app. If you have any suggestions, please email us at techsupport@binaryandbricks.com . 🙏😊 ### 5/5 — After using the free version, I upgraded to the Pro app and I’m very satisfied. The advanced tools a *2026-01-15* ⭐️⭐️⭐️⭐️⭐️ Yek Construction Calculator A1 Pro – माझ्या कामासाठी Super Useful App! मी जेव्हा हे App वापरणं सुरू केलं, तेव्हा पहिल्यांदा वाटलं होतं की अजून एक साधं Construction Calculator असेल, पण प्रत्यक्षात हे माझ्या रोजच्या कामाचा अगदी अविभाज्य भाग बनलं आहे! 👷‍♂️📐 🚧 माझा अनुभव: मी रोज construction site वर काम करतो आणि विशेषतः quantity estimate, material calculation, volume, area, concrete, steel, bricks आदी गोष्टींना वेळ लागायचा. पण Yek Construction Calculator A1 Pro मुळे हे सगळं आता अति जलद, अचूक आणि सोप्या पद्धतीने होते! 📊 हे App इतकं भारी आहे कारण — ✅ Fast आणि Accurate Estimation – काही सेकंदातच तुमच्या slab, beam, column, wall, excavation इत्यादी साठी सर्व quantities मिळतात. ✅ User-Friendly Interface – कोणत्याही special technical skill शिवायही सहज वापरता येतं. ✅ Multiple Construction Calculations – Concrete, Steel, Cement, Sand, Aggregate, Bricks, Plaster – सगळ्या प्रकारच्या estimates एकाच ठिकाणी मिळतात. ✅ Time Saving Tool – ह्यामुळे field and office दोन्ही ठिकाणी वेळ बरेच वाचतो. ✅ Reliable Results – Calculations नेहमी अचूक आणि consistent आहेत. ✅ Easy Inputs – तुम्ही dimension भरलात की लगेच output मिळतो. ✅ Professional Output – आपल्या clients/contractors साठी neat आणि professional estimate तयार करता येतात. 🔨 Why I Love It So Much! ही App साठी मी खरंच 5 ⭐️ deserve करते असं म्हणेन! ✨ माझं construction काम खूप smooth झालं आहे. ✨ Estimate तयार करताना पुन्हा manually calculations करून त्रास घेत नाही. ✨ Errors आणि miscalculations यांची भीती नाही. ✨ Fast estimation मुळे client presentation/quotation हि जलद बनतात. 💡 Beginners साठी देखील perfect! Engineering students, site supervisors, contractors, architects — सगळ्यांनाच हे App खूप helpful ठरेल. ⸻ 👍 Final Verdict: 📌 म्हणूनच मी Yek Construction Calculator A1 Pro ला खरंच “BHARI REVIEW” देतो/देते! हे Construction साठी BEST, FAST आणि MOST USEFUL TOOL आहे! 🔹 Highly Recommended! 🔹 ⭐️⭐️⭐️⭐️⭐️ **Developer response:** Thank you so much for your detailed review and support! We're really happy that Construction Calculator A1 Pro is helping in your daily site work. Your feedback motivates us to keep improving the app. If you have any suggestions, please email us at techsupport@binaryandbricks.com . 🙏😊 ### 5/5 — Best App for Civil Engineering *2026-01-14* The Pro version is really worth it. Smooth performance, powerful tools, and very easy to use. **Developer response:** Thank you so much for your detailed review and support! We're really happy that Construction Calculator A1 Pro is helping in your daily site work. Your feedback motivates us to keep improving the app. If you have any suggestions, please email us at techsupport@binaryandbricks.com . 🙏😊 ### 5/5 — Review about this app *2025-09-15* This app is very fine for civil engineering **Developer response:** Thank you for your feedback We’re glad to know the app is useful for civil engineering work. Thank you for your support. ### 5/5 — Most useful app for civil engineers *2025-09-13* This construction app is an essential tool for managing projects effectively and ensuring smooth site operations. It helps engineers, contractors, and supervisors track progress, manage resources, and communicate in real time. With features like project scheduling, material tracking, and labour management, the app reduces paperwork and saves valuable time. Overall, a construction app is not just a digital tool but a smart assistant that improves efficiency, quality, and accountability in every construction project. It makes construction faster, safer, and more reliable. **Developer response:** Thank you for the wonderful feedback We’re glad to know the app is helping engineers, contractors, and supervisors in managing site work more efficiently. Your appreciation motivates us to continue improving and adding more practical features for real-world construction needs. Thank you for your support and trust. ### 3/5 — Missing Features *2024-01-01* I have purchased Pro Version Of Construction Calculator App But lots Of Features Related To Steel Quantities Are Missing Which Are Available In Your Civil Rebar BBS Calculator Such As ( BBS, Thumb Rule, Lots Of Beam Columns Section) So Please add this Feature In Pro Version. **Developer response:** Thank you for sharing your feedback. We understand your concern regarding advanced steel-related features such as BBS, thumb rules, and detailed beam/column sections. Your suggestions are valuable, and we are continuously working on enhancing the Pro version with more steel quantity–related features. Some improvements have already been made in recent updates, and additional enhancements are planned. We request you to please keep the app updated to the latest version. Thank you for your support and for helping us improve the app. ### 5/5 — Best civil engineering app *2023-03-05* Fantastic!! This is most useful app for all construction related people. Love its simple UI. really helpful and simple enough for everyone to use.. with an easy interface. The app functions perfectly i recommend it to… go for it. ## Frequently asked questions about Construction Calculator A1 Pro ### What types of concrete calculations does Construction Calculator A1 Pro offer? Construction Calculator A1 Pro offers calculations for slabs, footings, columns, beams, stairs, and circular slabs. It provides instant material quantities for cement, sand, and gravel, along with mix ratios for project specifications. ### Can Construction Calculator A1 Pro help with rebar and steel estimates? Yes, the app includes a Rebar & Steel Calculator that generates Bar Bending Schedules (BBS) with shape codes. It also calculates bar weight, lap length, cover, spacing, and steel tonnage for structural estimates. ### How does Construction Calculator A1 Pro handle measurements in feet and inches? The app features a dedicated Feet-Inches Calculator that allows users to add, subtract, multiply, and divide measurements in feet-inches-fractions without needing decimal conversion. This is particularly useful for framing and lumber calculations. ### What professional features are included in Construction Calculator A1 Pro? Professional features include Bill of Quantities (BOQ) generation with PDF/Excel export, saving and organizing calculations by project, instant estimate sharing with clients, material cost estimation, and company branding on reports. ### What is the pricing for Construction Calculator A1 Pro? Construction Calculator A1 Pro is a paid application priced at $19.99. There are no in-app purchases or advertisements associated with this one-time purchase. ### Does Construction Calculator A1 Pro have ads? No, Construction Calculator A1 Pro is ad-free. As a paid application, it provides an uninterrupted user experience without any advertisements. ### On which devices can I use Construction Calculator A1 Pro? Construction Calculator A1 Pro is supported on iPhone, iPad, and iPod devices. It is designed for iOS users in the productivity category. ### How often is Construction Calculator A1 Pro updated? The latest version of Construction Calculator A1 Pro is 2026.01.04, which was last updated on January 23, 2026. This indicates a recent update, suggesting ongoing support and development. ## Version history (last 5 releases) ### 2026.08.03 — 2026-08-24 Electrical Calculations — a complete new section, 69 calculators. LOAD CALCULATION Size a whole structure's electrical load in one place: connected load, maximum demand, design current, phase balance and the sanctioned load figure your utility asks for. Export the sheet as Excel or PDF with your company details on it. CABLES & CONDUIT Cable sizing, voltage drop, maximum run length, cable weight and drum counts, conduit fill, cable tray sizing and support quantities. PROTECTION & MOTORS Breaker and MCB sizing, RCD/RCCB selection, fault level, motor full-load current, starter and contactor selection, power factor correction. LIGHTING Lumen method fixture counts, illuminance checks, fixture spacing, lighting power density and street lighting layouts. EARTHING & LIGHTNING Earth conductor sizing, electrode resistance, multiple electrodes, earth pit materials and lightning protection. POWER SOURCES Transformer sizing and loading, DG set sizing and fuel cost, UPS and battery banks, solar PV capacity, panel counts and off-grid storage. QUANTITY & BOQ Wiring point, wire, conduit, termination and distribution board estimators that feed straight into your BOQ. CONVERTERS Electrical units, conductor size (mm² / AWG / kcmil / SWG) and illuminance (lux / foot-candle). Everything follows your region — India, USA, Canada, Australia, Europe and the Gulf each get their own voltages, demand factors and standard breaker ratings. ALSO NEW • Metal Library — alloy and section reference data • Material Library with specification lookup • New BOQ sheet flow and house-cost standards • Region-accurate concrete grade data • The Quantity tab now orders itself by your role and region • Calculator inputs sit two per row, so there's less scrolling • A What's New screen, so you can see each update at a glance FIXES • Concrete quantities showed NaN after changing the grade • The keyboard's Next could skip a field in the metal calculators • PDF export could hang on the web • Grid and layout fixes on wide screens Electrical sizing results are indicative and should be verified by a licensed electrical engineer against your local code. ### 2026.08.02 — 2026-08-17 NEW — Formwork Sheet Plan a whole project's shuttering in one place. Build an element schedule and the app derives your ply sheets, battens, walers, ties, props, back-props and a complete scaffold list from it — then tells you the PEAK quantity you actually need to buy, not the cumulative area you bill. Includes cycle planning, de-shuttering sets and eight validation checks that flag a take-off before you issue it. Export a branded PDF, push quantities to a BOQ, or send a row straight in from any shuttering calculator. NEW — Brick Size Library Your own brick and block sizes, saved once and used everywhere. Region-aware seed catalogue, a default per brick/block type, and auto-fill across all 24 brickwork calculators. Backed up and synced with the rest of your data. Open it from Settings or the Brick Work page. NEW — False ceiling calculators Gypsum Ceiling, POP Ceiling and Grid Ceiling, with section and plan drawings, regional advisories, and material rates stocked for all six regions. IMPROVED — Shuttering, redrawn 17 element calculators, each with a new two-view drawing that shows WHICH FACES GET FORMWORK IMPROVED — Quantity tab Calculators are now ordered by how relevant they are to your role and region. Nothing is hidden; your favourites still come first. ### 2026.08.01 — 2026-08-14 This is our biggest update yet. DRAWINGS • Calculators now generate a dimensioned drawing of exactly what you entered • The diagram highlights the dimension you're typing, so you always know which side is which • Drawings, a DIMENSIONS panel and your company branding are included in PDF exports WORK ANYWHERE • Apple Watch app — converter, material weight, volume, diagonal and rebar • Use the app in any browser • Cloud sync across your devices, plus Google Drive and iCloud backup • Sign in with Google or Apple BUILT FOR YOUR REGION • Six regions with local materials, units and bar sizes • City selector applies a local cost multiplier • Region-aware mix design, rebar standards and reference data CONSTRUCTION COST CALCULATOR • Rebuilt with Standard / Premium / Luxury comparison and a phase timeline • Cost breakdown charts, professional quotation PDF, Excel and image export NEW CALCULATORS & TOOLS • Rebar Tools — six new calculators, lap length with splice cases, and a cover block analyzer • Volume calculators now give material weight and density • Unit converter now converts prices between units • Concrete Strength, plus 28 more concrete calculators with their own diagrams LEARN • Study articles, checklists and reference charts • Topic quizzes with instant explanations • Daily streaks, XP, stars and achievement badges FASTER TO USE • Redesigned home with Continue Working, pinned tiles and collapsible categories • Calculator keypad merges concrete, steel and roof functions, with Area/Volume/Perimeter power-ups, slope and centre-to-centre spacing • Two-column inputs, pinned diagrams and auto-calculate on calculator pages • Built-in help with worked examples, in all 16 languages • Quick actions — long-press the app icon for your most-used tools Questions or ideas? constructioncalculatorallinone@gmail.com ### 2026.04.06 — 2026-04-06 What’s New Tired of searching for the right construction formula? We’ve got you covered. • Added new calculators for Water Tanks, Walls, Staircases, Footings, Gutters, and Tubes to handle daily site calculations easily • Enhanced House Cost Calculator to generate professional quotations and branded PDFs for clients • Can’t find a formula? Use Custom Calculators to create and save your own calculations • Keep all project details organized with Rich Notes, project-wise folders, and support for images, videos, and file attachments • Faster and smoother construction calculations with quick-action buttons designed for site use • Access essential material details instantly with the new Material Library This update focuses on saving time, reducing manual work, and making construction calculations simpler and more organized. ### 2026.01.04 — 2026-01-23 What’s New Tired of searching for the right construction formula? We’ve got you covered. • Added new calculators for Water Tanks, Walls, Staircases, Footings, Gutters, and Tubes to handle daily site calculations easily • Enhanced House Cost Calculator to generate professional quotations and branded PDFs for clients • Can’t find a formula? Use Custom Calculators to create and save your own calculations • Keep all project details organized with Rich Notes, project-wise folders, and support for images, videos, and file attachments • Faster and smoother construction calculations with quick-action buttons designed for site use • Access essential material details instantly with the new Material Library This update focuses on saving time, reducing manual work, and making construction calculations simpler and more organized. ## Apps similar to Construction Calculator A1 Pro | App | Rating | Price | Category | | --- | --- | --- | --- | | [Construction Calculator A1](https://appshunter.io/ios/app/construction-calculator-a1/id1589484051) | 4.7 (23) | Free | Productivity | | [Construction Calc Pro 7](https://appshunter.io/ios/app/construction-calc-pro-7/id1419339827) | 4.3 (28) | Free | Productivity | | [Site Records](https://appshunter.io/ios/app/site-records/id6449262412) | — | Free | Productivity | | [Construction Calc - Civil Calc](https://appshunter.io/ios/app/construction-calc-civil-calc/id6738019427) | — | Free | Productivity | | [Construction Bricks Calculator](https://appshunter.io/ios/app/construction-bricks-calculator/id6473098561) | 3.7 (6) | Free | Productivity | | [Brick and Plaster Calculator](https://appshunter.io/ios/app/brick-and-plaster-calculator/id1359584645) | — | $2.99 | Productivity | ## More apps by Binary And Bricks Pvt Ltd - [Concrete Calculator All In One](https://appshunter.io/ios/app/concrete-calculator-all-in-one/id1587170686) - [Unit Converter A1](https://appshunter.io/ios/app/unit-converter-a1/id1588554636) - [Financial Calculator India](https://appshunter.io/ios/app/financial-calculator-india/id1588612062) - [Construction Calculator A1](https://appshunter.io/ios/app/construction-calculator-a1/id1589484051) - [Metal Calculator A1 Pro](https://appshunter.io/ios/app/metal-calculator-a1-pro/id1589637862) All apps by Binary And Bricks Pvt Ltd: https://appshunter.io/developer/1587170688 ## Related topics [construction calculator a1 pro](https://appshunter.io/ios/topics/construction-calculator-a1-pro) · [construction calculator a1](https://appshunter.io/ios/topics/construction-calculator-a1) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*