Best Construction Calculator A1 Apps

232+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated July 2026

Out of 232+ construction calculator a1 apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Construction Calculator A1 Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Construction Calculator A1Construction Calculator A1Free4.6★ (11)YesNoJul 2026
2Construction Calculator 2025Construction Calculator 2025Free5.0★ (3)NoYesMay 2026
3OneCalc: All-in-one CalculatorOneCalc: All-in-one CalculatorFree4.6★ (4.8K)YesNoJul 2026
4Construction Master 5 CalcConstruction Master 5 CalcFree4.9★ (12K)NoYesJul 2026
5Concrete Calculator All In OneConcrete Calculator All In OneFree4.3★ (3)NoYesJul 2026
6Construction Calculator A1 ProConstruction Calculator A1 Pro$19.994.5★ (6)NoNoJul 2026
7Construction Expert A1 PROConstruction Expert A1 PROFree2.0★ (1)NoYesJun 2026
8Concrete Calculator EstimatorConcrete Calculator EstimatorFree5.0★ (2)YesYesJul 2026

Top Picks for Construction Calculator A1

Construction Calculator A1#1

Construction Calculator A1 by Binary And Bricks Pvt Ltd

Construction calculator app
Editor's Choice
📊 Productivity
4.6(11 ratings)
FreeAds
Construction Calculator A1 screenshot 1
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Construction Calculator A1 screenshot 3
Construction Calculator A1 screenshot 4
Construction Calculator A1 screenshot 5
Construction Calculator A1 screenshot 6

This app provides specialized calculators for construction professionals, including concrete, rebar, and area/volume calculations. It offers material quantity estimation, unit conversion, and professional features like BOQ export and project organization. Designed for contractors, builders, and engineers on job sites worldwide.

Construction Calculator 2025#2

Construction Calculator 2025 by Shital Gorasiya

Construction Calculator A1
Strong Contender
🔧 Utilities
5.0(3 ratings)
FreeIn-App Purchases
Construction Calculator 2025 screenshot 1
Construction Calculator 2025 screenshot 2
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Construction Calculator 2025 screenshot 4
Construction Calculator 2025 screenshot 5
Construction Calculator 2025 screenshot 6

This app simplifies construction calculations for professionals and DIYers. It offers tools for material estimation, structural design, unit conversion, and area/volume calculations, helping to reduce waste and save costs. The interface is user-friendly and works offline.

OneCalc: All-in-one Calculator#3

OneCalc: All-in-one Calculator by tasser gyati

Calculates everything. Try it.
Worth Considering
📊 Productivity
4.6😊(4.8K ratings)
FreeAds
OneCalc: All-in-one Calculator screenshot 1
OneCalc: All-in-one Calculator screenshot 2
OneCalc: All-in-one Calculator screenshot 3
OneCalc: All-in-one Calculator screenshot 4
OneCalc: All-in-one Calculator screenshot 5
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This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

What We Love

  • 🚀 Excellent app with many handy extras
  • 👍 Easy to use and one of the daily drivers
  • 👍 Helps with work
  • 👍 Great for calculations and conversions

Room to Improve

  • 🐛 Crashes when using the 'More' section
  • 🐛 Incorrect date duration calculations
  • 🔍 Ads can be intrusive and disrupt calculations

More Construction Calculator A1 apps to explore

4
Construction Master 5 Calc
Construction Master 5 Calc
Construction Master 5 Calc
Feet Inch Fraction Calculator
Free

This app is a powerful feet-inch-fraction calculator designed for construction professionals. It offers advanced calculation capabilities for layouts, bids, and estimates, simplifying complex measurements and conversions for enhanced project accuracy and efficiency.

Feet-inch-fraction calculationsRight angle and rafter calculationsArea and volume solutions
🔧 Utilities
(12K)
free with in-app purchases
5
Concrete Calculator All In One
Concrete Calculator All In One
Concrete Calculator All In One
Easy way to calculate concrete
Free

This comprehensive tool assists civil engineers and construction professionals with concrete calculations. It provides volume estimates, material breakdowns, mix designs, and cost projections for over 50 shapes. Features include curing tracking, load calculations, and unit conversions.

Concrete volume calculation for 50+ shapesMaterial quantity and cost estimationMix design ratios (IS, BS, ACI)
📊 Productivity
(3)
free with in-app purchases
6
Construction Calculator A1 Pro
Construction Calculator A1 Pro
Construction Calculator A1 Pro
Concrete Steel & BOQ Estimator
$19.99

This app provides specialized calculators for construction professionals, including concrete, rebar, and area/volume calculations. It helps estimate material quantities, steel tonnage, and perform complex measurements with ease. Users can also generate Bills of Quantities and export reports for clients.

Concrete quantity estimationRebar bending schedule (BBS)Feet-inches calculator
📊 Productivity
(6)
paid
7
Construction Expert A1 PRO
Construction Expert A1 PRO
Construction Expert A1 PRO
Feet Inch Fraction Calculator
Free

This app is a comprehensive construction calculator designed for professionals. It offers advanced calculations for framing, stair layout, trade-specific needs, and material estimation, replacing the need for expensive hardware calculators.

Feet-inch-fraction mathRight angle and roof framingStair layout calculations
📊 Productivity
(1)
free with in-app purchases
8
Concrete Calculator Estimator
Concrete Calculator Estimator
Concrete Calculator Estimator
Slab Footing Rebar Block
Free

This app simplifies concrete calculations for various structures like walls, slabs, and curbs. It accurately estimates volume, weight, and price, with flexible unit options and a user-friendly interface. A specialized concrete weight calculator is also included.

Versatile concrete structure calculationsPrecise cement and grout estimationsFlexible unit conversions
🔧 Utilities
(2)
free with in-app purchases
9
Construction Calc - Civil Calc
Construction Calc - Civil Calc
Construction Calc - Civil Calc
All-in-One Building Calculator
Free
📊 Productivity
(0)
10
Draw Floor Plans
Draw Floor Plans
Draw Floor Plans
Construction Tools
Free

Design and visualize construction projects with an intuitive floor planning tool. Create accurate floor plans, estimate materials, and explore professional 3D design inspiration for homes, apartments, and commercial spaces.

Create accurate floor plansIntuitive drawing canvasConstruction calculators
📊 Productivity
(2)
ad-supported
11
Construction Manager App
Construction Manager App
Construction Manager App
Construction tools in one app
Free

Streamline construction project management with tools for reporting, estimating, and calculations. Generate PDF reports, track daily activities, and manage project details efficiently. Offers a 14-day free trial.

Project estimates with materials, labor, and equipmentWeekly timesheets and daily reportsMaintenance logs
💼 Business
(6)
free with in-app purchases
12
Chippy Tools: Construction
Chippy Tools: Construction
Chippy Tools: Construction
Construction Calculator
Free

This app simplifies complex calculations for construction professionals. It offers a variety of tools for tasks like spacing, measurements, and material estimation, helping to reduce errors and save time on job sites. Available on iPhone and iPad, it aims to be an essential tool for tradespeople.

Baluster spacing calculatorFlat run attached baluster calculatorSquare calculator
🔧 Utilities
(946)
freemium
13
Concrete Calculator Plus
Concrete Calculator Plus
Concrete Calculator Plus
by Inch Calculator
Free

This app provides 15 calculators for estimating concrete, blocks, mortar, rebar, and gravel. It supports various shapes and units, offering material cost estimations for construction projects.

15 concrete estimation calculatorsEstimates cubic yards or bagsCalculates material costs
🔧 Utilities
(21K)
ad-supported
14
Construction Master Pro Calc
Construction Master Pro Calc
Construction Master Pro Calc
Feet Inch Fraction Calculator
Free

This app is a powerful construction calculator designed for professionals working with dimensions. It offers a wide range of solutions for dimensional math, right angle calculations, area and volume, and special functions, helping to improve speed and accuracy in layouts, bids, and estimates.

Dimensional math and conversionsRight angle and rafter calculationsArea and volume solutions
🔧 Utilities
(39K)
free with in-app purchases
15
Handoff Construction Estimator
Handoff Construction Estimator
Handoff Construction Estimator
AI Contractor Estimating App
Free

This AI-powered application helps contractors and handymen create accurate construction estimates quickly. It streamlines project management, lead tracking, and proposal generation, allowing professionals to focus on growing their business and improving client satisfaction.

AI-driven project estimatesIntuitive CRM for project trackingEasy invoicing
💼 Business
(1.7K)
free with in-app purchases
16
Asphalt Calculator Plus
Asphalt Calculator Plus
Asphalt Calculator Plus
by Inch Calculator
Free

Estimate hot mix asphalt, base material, and sealcoat for paving projects. Input dimensions in various units and receive results in US customary measurements, including cost estimations for materials.

Asphalt material estimationBase material calculationSealcoat estimation
🔧 Utilities
(424)
ad-supported
17
Landscaping Calculator Plus
Landscaping Calculator Plus
Landscaping Calculator Plus
by Inch Calculator
Free

Easily estimate landscaping materials like gravel, soil, mulch, and concrete. Supports multiple units of measurement for accurate project planning. Ideal for DIYers and professionals.

10 landscaping material calculatorsEstimate gravel, soil, mulch, concreteSupports inches, feet, yards, cm, meters
🔧 Utilities
(2.8K)
ad-supported
18
Feet and Inches Calculator
Feet and Inches Calculator
Feet and Inches Calculator
Perfect Construction Calc!
Free

A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.

Construction math and estimatingLayout, framing, and jobsite calculationsImperial and metric unit conversion
🔧 Utilities
(384)
free with in-app purchases
19
Construction Calculator Pro
Construction Calculator Pro
Construction Calculator Pro
For Concrete, Roof & Framing
Free

This app provides contractors and DIY enthusiasts with precise calculations for construction projects. It helps estimate materials, measurements, and costs for concrete, framing, finishing, and site work, preventing costly errors.

Concrete and slab calculationsFraming and carpentry toolsFinishing material estimates
🔧 Utilities
(6)
free
20
Home Builder Pro Calcs
Home Builder Pro Calcs
Home Builder Pro Calcs
400+ Construction Calculators
$9.99

This app provides over 440 construction and home improvement calculations, including cost and time estimates, and quantity take-offs. It supports U.S. imperial and metric measurements, and allows calculations to be saved and emailed.

440+ construction calculatorsCost and time estimatesQuantity take-offs
🔧 Utilities
(1K)
free with in-app purchases

FAQ about Construction Calculator A1

What are the best construction calculator a1 apps for iPhone?
Construction Calculator A1 tops our construction calculator a1 apps ranking as of July 2026, with a 4.6-star average from 11 App Store ratings, and it's free to download.
Yes — 18 of the top construction calculator a1 apps we rank are free to download, including Construction Calculator A1 and Construction Calculator 2025.
Construction Calculator A1 shows ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 232+ construction calculator a1 apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Construction Calculator A1 offers calculations for slabs, footings, columns, beams, stairs, and circular slabs. It provides instant material quantities for cement bags, sand, and gravel, along with mix ratios for any project specification.
Yes, Construction Calculator A1 includes a rebar and steel calculator. It supports Bar Bending Schedule (BBS) with shape codes, calculates weight for all bar sizes (#3-#18), and computes lap length, cover, and spacing.

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