Construction Calculator A1

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.