Construction Calculator A1 Pro

454 reviews
Content rating
Everyone
1K+
Downloads
Content rating
Everyone
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

Construction Calculator A1 Pro – The Ultimate Civil Engineering Tool

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 phone, tablet 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 subscription, 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 included 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 — 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
✔ Google Drive and iCloud 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.

Download now and simplify your construction calculations!
Civil engineering app for concrete quantity, steel calculation and estimation.
Updated on
Aug 30, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

Ratings and reviews

445 reviews
Aniket Mamila
August 11, 2026
Construction Calculator A1 Pro has become a staple in my daily workflow. The material and quantity calculators save a ton of time when I'm putting together project estimates - no more double-checking formulas by hand. The interface is clean and intuitive, so even quick on-site calculations are fast and hassle-free. It's accurate, reliable, and clearly built by people who understand real construction and design workflows. Highly recommended for anyone in architecture, interior design, contractor
1 person found this review helpful
Did you find this helpful?
Binary and Bricks Pvt. Ltd.
August 12, 2026
Thank you for the detailed 5-star review! 🌟 We’re delighted that Construction Calculator A1 PRO has become part of your daily workflow. It’s great to know the material and quantity calculators are saving you time and making on-site calculations faster and easier. Your support motivates us to keep improving!
Anand Raj
May 5, 2026
hello developer. pls note my concern... during calculation of reinforcement of column type 5 ..then we get wrong data... so pls check out this and fix this problem as soon as.
6 people found this review helpful
Did you find this helpful?
Binary and Bricks Pvt. Ltd.
May 5, 2026
Thank you for your feedback. 🙏 We’ve noted your concern regarding the column reinforcement calculation. Kindly share more details (inputs, expected vs actual result) at techsupport@binaryandbricks.com so our team can review and assist you properly.
Nana Bidkar
February 27, 2025
⭐️⭐️⭐️⭐️⭐️ Best Construction Calculator! Construction Calculator Pro is a game-changer! It's accurate, easy to use, and packed with essential features like area, volume, and unit conversions. The Pro version is perfect for steel and concrete calculations. The dark theme and user-friendly interface make it even better. A must-have for civil engineers, contractors, and site supervisors. Highly recommended!
14 people found this review helpful
Did you find this helpful?
Binary and Bricks Pvt. Ltd.
March 17, 2025
Thank you very much for your 5-star review!!!

What’s new

NEW Advanced RCC: Column, Footing, Beam & Slab calculators with regional bar standards, live drawings, BBS export & PDF reports.
NEW Tile Quantity: floor, wall & skirting with layout drawings.
NEW Paint & Finishes: putty, primer, texture & paint with smart pack sizes.
Materials & Rates: one steel rate prices every rebar size & section; set your own labour rates.
Redesigned Bar Bending Schedule: hand signature, Excel & PDF export.
Plus many fixes and UI polish.