Construction Calculator A1

Binary and Bricks Pvt. Ltd.

Contains adsIn-app purchases

About this app

Construction Calculator A1 – The Ultimate Civil Engineering Tool

Construction Calculator A1 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, Apple Watch and the web.

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
✔ 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 your devices (Pro)
✔ Use the same account on the web

WHY CHOOSE CONSTRUCTION CALCULATOR FREE
✔ 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

FREE VS PRO
Free includes 5 calculations per day, 3 favourites and the core calculator set.
🔓 Upgrade to Pro for:
✔ Unlimited calculations
✔ No ads
✔ Unlimited favourites, recents and custom formulas
✔ Draw Shape & GPS Area for irregular plots
✔ Advanced area and volume shapes
✔ Specialist tools – drywall, deck stain, vinyl fence, ladder, man-hours, arch
✔ Cloud sync across devices
Tip: refer a friend and get 24 hours of Pro free.

NEED HELP OR HAVE SUGGESTIONS?
We value your feedback. Contact [e-mail] for support or feature requests.

Download now and simplify your construction calculations!

Ratings and reviews

The app does not provide the detailed metal/steel section calculation features I expected. It lacks important options such as equal and unequal angles, SHS/RHS dimensions, detailed section-wise calculations and material/grade-based metal calculations. I purchased the PRO subscription expecting these construction and steel calculation features, but after using the app I found that it does not meet my requirements. I would therefore like to request a refund.

It's a great app all in all. It was difficult to calculate quantities on site,when there is no pen and paper. Now it's very easy to calculate anything from diagonal to quantities of concrete, reinforcement, excavation and many many more. Also able to share with my co-workers. Really you did a great job. Very useful as a building contractor and also for my labour.

I recently downloaded the app and use it for my projects. And I am using the pro version. It seems, there is a bug or a problem with displaying the "Indian currency" symbol while printing as a pdf format. Particularly, while using "construction cost" option. Please fix it ASAP, it looks unprofessional when sending the invoice to my clients.. Best app and team across the platform so far. Thank you to team Binary&bricks for your quick response and fixing the problems. Keep on being successful.🙏

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.