Construction Calculator A1

Construction Calculator A1

Construction calculator app

29 ratings
12 reviews
Free
In-App PurchasesWith Ads

Details

Released
October 8, 2021
Updated
October 28, 2026

Features

Construction Calculator A1 video #1 for iPhone
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About

This comprehensive tool offers over 500 construction calculators, from basic material quantities to complex bills of quantities. It generates automatic drawings, manages material prices, and provides learning resources for civil engineers and contractors.

✓500+ construction calculators
✓Concrete, rebar, and steel calculations
✓Feet-inch calculator
✓Bill of Quantities (BOQ)
✓Automatic drawings
✓Material price library
✓Unit converter
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+1

What's New in Construction Calculator A1

2026.10.01

October 28, 2026

Meet Ask A1, your AI site assistant (beta) • Type or say what you need, like "concrete for a 12 x 10 ft slab, 5 inch thick", and get the answer from the app's own calculators. • Photo of a sketch or floor plan? Ask A1 reads the sizes for you (Pro). • Add answers to your BOQ, save them as notes, or share them as a PDF. • Free AI credits every month: 5 on the free plan and 20 with Pro. Monthly and yearly plans add 100 more, and credit packs are there when you need extra. New calculators • Interior, PEB and steel sheds, external works, demolition and debris, waterproofing and roofing. • Fire fighting and plumbing. Better every day • Search the whole app from the home screen: calculators, settings and study topics, even in site slang. • Draw Shape now measures angles and lets you pan around large drawings. • Daily Brick: one construction tip and a quick challenge every day. • Cleaner calculator pages, and PDF export fixes. Tell us how Ask A1 did: tap the thumbs-down on any answer to say what went wrong.

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Subscriptions & In-App Purchases

Pro access yearly subscription

Get pro accèss for a year

$24.991 Year
How to cancel Construction Calculator A1 subscription ⁉️

User reviews

Accurate and Easy to use

Very useful app cor Construction calculations. It has wide range of calculators for quantity estimation, concrete, steel and other material calculations. Simple interface and quick results make it very helpful.

Response from developer

Thank you for the detailed feedback! 🙏 We’re glad you find Construction Calculator A1 accurate, easy to use, and helpful for quantity, concrete, and steel calculations. Your support motivates us to keep improving!

Best app

Very useful

Response from developer

Thank you for the wonderful 5-star rating! 🌟 We’re delighted to know you find the app very useful. Your support means a lot to our team and motivates us to keep creating simple and practical tools for construction professionals.

Bad experience

No easy

Response from developer

We’re sorry that your experience wasn’t as expected. The app is designed to be simple and easy to use, so we’d really appreciate knowing what specifically you found difficult. We take every review seriously and want to improve wherever needed. Please share the details with us at [techsupport@binaryandbricks.com](mailto:techsupport@binaryandbricks.com). If we’re able to resolve the issue, we’d appreciate you reconsidering your rating.

Must use app

Use full app for contractors

Response from developer

Thank you for your support! We’re glad you find the app useful for contractors. If you have any suggestions, please email us at techsupport@binaryandbricks.com

A game changer for Every Engineer.

I’ve been using Construction Calculator A1 on my MacBook and iPad , and it’s been an absolute game changer. The app is fast , clean, and incredibly useful for daily site calculations.
Whether it’s Area, Volume, Steel weight, or Unit conversations, every features is well-organised and easy to access. I especially love the dark theme and offline functionality. The rebar and concrete mix design tools are spot-on.
Great to see support for both metric and imperial units, and the interface adapts well to the larger screen on mac tabs. This app has easily replaced multiple tools and saved me hours of manual work.
Highly recommended for civil engineer’s, contractors and site Supervisers.
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Response from developer

Thank you for the detailed and encouraging feedback We’re glad to know the app has been useful for your daily site calculations across devices, and that features like offline usage, unit flexibility, and mix design tools are helping save time on real projects. Your recommendation truly means a lot to us. Thank you for your continued support.

Developer apps

FAQ

What is Construction Calculator A1 used for?

Construction Calculator A1 is a comprehensive civil engineering toolkit designed for contractors, builders, and engineers. It offers over 500 calculators for tasks like material quantity estimation, rebar scheduling, and generating Bills of Quantities (BOQ).

Does Construction Calculator A1 have ads?

Yes, Construction Calculator A1 contains advertisements. As a free app with in-app purchases, advertisements are displayed to support its continued development and availability.

What subscription options are available for Construction Calculator A1?

Construction Calculator A1 offers a Pro access subscription with monthly ($2.99/P1M) and yearly ($24.99/P1Y) options. A one-time Lifetime purchase is also available for permanent access to Pro features.

Can I use Construction Calculator A1 offline?

Yes, Construction Calculator A1 works offline. All calculations can be performed without an internet connection, making it reliable for use on job sites.

What devices is Construction Calculator A1 compatible with?

Construction Calculator A1 is compatible with Apple devices including iPhone, iPad, iPod, and Apple Watch. The Apple Watch app syncs prices from the iPhone and provides access to calculation history.

How often is Construction Calculator A1 updated?

Construction Calculator A1 was last updated on October 28, 2026, with version 2026.10.01. This indicates a recent update, suggesting the app is actively maintained.

What kind of drawings can Construction Calculator A1 generate?

Construction Calculator A1 can automatically generate dimensioned sketches for various elements, including brickwork, steel shapes, concrete sections, excavation, and stairs. These drawings are included in the PDF reports.

How does Construction Calculator A1 handle different units and currencies?

The app supports both metric and imperial units and can be used in 16 languages. It also features a Material Price Library where users can store their own rates in their preferred currency, with six regional presets available.