Best Contractor Calculator Apps

221+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated July 2026

Out of 221+ contractor calculator apps on iOS, 19 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 Contractor Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Construction Master Pro CalcConstruction Master Pro CalcFree4.8★ (39K)NoYesAug 2026
2Feet and Inches CalculatorFeet and Inches CalculatorFree4.6★ (401)YesYesAug 2026
3Construction Master 5 CalcConstruction Master 5 CalcFree4.8★ (13K)NoYesAug 2026
4Calculator for ContractorsCalculator for ContractorsFree4.2★ (15)YesNoMay 2026
5Feet & Inches Tape CalculatorFeet & Inches Tape CalculatorFree4.4★ (9.2K)NoYesAug 2026
6Material Estimator CalculatorMaterial Estimator CalculatorFree4.8★ (2.9K)NoYesAug 2026
7SimplyWise: Cost EstimatorSimplyWise: Cost EstimatorFree4.8★ (30K)YesYesAug 2026
8Construction Calc LiteConstruction Calc LiteFree4.7★ (112)YesNoJul 2026

Top Picks for Contractor Calculator

Construction Master Pro Calc#1

Construction Master Pro Calc by Calculated Industries

Feet Inch Fraction Calculator
Editor's Choice
🔧 Utilities
4.8😐(39K ratings)
FreeIn-App Purchases
#49in Utilities
Construction Master Pro Calc screenshot 1
Construction Master Pro Calc screenshot 2
Construction Master Pro Calc screenshot 3
Construction Master Pro Calc screenshot 4
Construction Master Pro Calc screenshot 5
Construction Master Pro Calc screenshot 6

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.

What We Love

  • 🚀 Convenient and always available
  • ⚙️ Comprehensive construction calculations
  • 💪 Industry-standard tool
  • 🔍 Accurate and reliable

Room to Improve

  • 💰 Subscription model too expensive
  • 🔒 Locks data behind subscription
  • 🔄 Forced to re-purchase after device changes
Feet and Inches Calculator#2

Feet and Inches Calculator by Evan Winograd

Perfect Construction Calc!
Strong Contender
🔧 Utilities
4.6😊(401 ratings)
FreeAdsIn-App Purchases
Feet and Inches Calculator screenshot 1
Feet and Inches Calculator screenshot 2
Feet and Inches Calculator screenshot 3
Feet and Inches Calculator screenshot 4
Feet and Inches Calculator screenshot 5
Feet and Inches Calculator screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 🚀 Provides both feet/inches and decimal results
  • 🚀 Lots of additional tools and features
  • 👍 Consistently updated

Room to Improve

  • 🐛 Occasional calculation errors
  • 🐛 Rotation issues after updates
  • 🔋 High battery usage
Construction Master 5 Calc#3

Construction Master 5 Calc by Calculated Industries

Feet Inch Fraction Calculator
Worth Considering
🔧 Utilities
4.8😊(13K ratings)
FreeIn-App Purchases
Construction Master 5 Calc screenshot 1
Construction Master 5 Calc screenshot 2
Construction Master 5 Calc screenshot 3
Construction Master 5 Calc screenshot 4
Construction Master 5 Calc screenshot 5
Construction Master 5 Calc screenshot 6

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.

What We Love

  • 👍 Convenient to have on phone
  • 💡 Useful for construction work
  • 🚀 Performs like physical calculator
  • 👍 Helpful for calculations and estimates

Room to Improve

  • 💰 Expensive subscription model
  • 🤔 Prefer one-time purchase option
  • 🤔 Subscription cost as much as physical calculator

More Contractor Calculator apps to explore

4
Calculator for Contractors
Calculator for Contractors
Calculator for Contractors
by Flicent Inc
Free

This app helps contractors perform essential on-the-go calculations for projects, including measurements, material estimates, and electrical conversions. Save calculations to projects, mark favorites, and access a free invoicing tool.

Square Footage CalculatorMeasurement ConversionsFraction Math
💼 Business
(15)
ad-supported
5
Feet & Inches Tape Calculator
Feet & Inches Tape Calculator
Feet & Inches Tape Calculator
Calculate feet & inches
Free

This app provides a convenient way to perform calculations involving feet and inches. It features a visual tape measure display and supports fractions and mixed decimals, showing results in feet, inches, and centimeters.

Swift measurement calculationsSupport for fractions and mixed decimalsDisplay results in feet, inches, and centimeters
🔧 Utilities
(9.2K)
free with in-app purchases
6
Material Estimator Calculator
Material Estimator Calculator
Material Estimator Calculator
Estimate Construction Projects
Free

This app helps contractors and DIYers accurately estimate material costs and quantities for construction projects. It features dimensional measurement tools, unit conversions, and a material database to optimize budgeting and ordering.

Precise cost and percentage calculationsIntegrated material size databaseAdvanced dimensional measurement tools
🔧 Utilities
(2.9K)
free with in-app purchases
7
SimplyWise: Cost Estimator
SimplyWise: Cost Estimator
SimplyWise: Cost Estimator
Construction Estimate Maker
Free

This app uses AI to transform job site photos into detailed construction estimates, including material and labor costs. It generates professional bids, suggests upsells, and helps manage projects from start to finish, all from your mobile device.

AI-powered photo-to-estimateBefore & after visualization3D room scanning
💼 Business
(30K)
free with in-app purchases
8
Construction Calc Lite
Construction Calc Lite
Construction Calc Lite
by Snappy Appz Inc.
Free

A specialized calculator for construction professionals and anyone working with measurements in feet and inches. Perform complex calculations, scale drawings, and determine angles and material quantities with ease. Features include fractional inch support, history recall, and customizable rounding.

Feet, inch, and fractional inch calculationsDrawing scalingMiter and triangle angle calculations
🔧 Utilities
(112)
ad-supported
9
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
10
Construction Calculator .
Construction Calculator .
Construction Calculator .
Feet Inch Calculator
Free

This app provides essential tools for contractors, builders, and DIYers to perform fast, accurate construction calculations on the job site. It streamlines planning, estimating, and material measurement for various building tasks, reducing errors and saving costs.

Specialized calculators for concrete, lumber, drywall, and roofingAdvanced stair and framing calculatorsInstant unit conversions
🔧 Utilities
(62)
freemium
11
Construction Calculator
Construction Calculator
Construction Calculator
Feet Inch Calculator
Free

This app is a powerful calculator designed for construction and woodworking professionals, as well as students. It simplifies calculations involving feet, inches, and fractions, offering conversions between various measurement units and displaying equations and results simultaneously. Advanced features are available through optional in-app purchases.

Decimal to fraction converterFraction to decimal conversionSimultaneous equation and result display
🔧 Utilities
(554)
free with in-app purchases
12
Stair Calculator: Construction
Stair Calculator: Construction
Stair Calculator: Construction
Step, Run, Rise, Angle, Length
Free

This app calculates essential parameters for stair construction, offering flexibility in input and providing multiple step set options. It supports various units and allows results to be easily copied.

Calculate stair construction parametersFlexible input for Run or Total RunDetermine largest and smallest step sets
🔧 Utilities
(732)
free with in-app purchases
13
Builder's Helper MAX
Builder's Helper MAX
Builder's Helper MAX
Construction Calculator +
Free

This comprehensive construction app offers advanced calculation tools for linear, square, and cubic measurements in both imperial and metric units. It includes features for roof pitch, stair lengths, and a memory bank for storing values. Manage projects with detailed lists, store documents and images, and utilize quick job calculators for various construction tasks.

Advanced construction calculator (imperial/metric)Roof pitch and rafter length calculationsProject management with data lists
🔧 Utilities
(1.6K)
free with in-app purchases
14
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
(903)
freemium
15
Feet&Inches Calculator
Feet&Inches Calculator
Feet&Inches Calculator
Fraction Calculator
Free

This app simplifies complex measurements and fraction calculations. Convert between various units, perform addition and subtraction of measurements, and work with feet-inches and fractional inches. It also includes a full fraction calculator with advanced functions and a history tape.

Comprehensive measurement conversionFeet-inches and inches as fractionsFlexible rounding options
🔧 Utilities
(81)
ad-supported
16
Contractor IQ: Construction AI
Contractor IQ: Construction AI
Contractor IQ: Construction AI
Estimate, Invoice, Render, Bid
Free

This AI-powered assistant helps contractors price jobs accurately, generate professional quotes, and understand profit margins. It offers guidance on material and labor costs, as well as pricing for various trades. Stop undercharging and start winning more profitable work.

AI-powered pricing guidanceProfessional estimate generationMaterial and labor cost calculation
💼 Business
(7)
free with in-app purchases
17
Landscaping Calculator Plus+
Landscaping Calculator Plus+
Landscaping Calculator Plus+
Mulch, Soil, Pavers & More
Free
💼 Business
(0)
18
Construction Calculator Master
Construction Calculator Master
Construction Calculator Master
Feet Inch Fraction Rafter Cm
Free

This advanced construction calculator simplifies complex measurements for builders, carpenters, and remodelers. It offers a comprehensive suite of math functions, multi-unit support, and visual aids for calculations involving fractions, trigonometry, and rafters. Reduce errors and save time with its intuitive interface and customizable options.

Multi-unit fraction support (feet, inches, yards, metric)Trigonometric functions with visualizationRafter and triangle visualization
🔧 Utilities
(436)
free with in-app purchases
19
ContractorTools
ContractorTools
ContractorTools
Estimates, Invoices, Payments
Free

Streamline your contracting business with tools for creating estimates, invoices, and managing payments. Sync data seamlessly with QuickBooks Online and collaborate with your team across multiple devices. Focus on your work while this app handles the paperwork.

EstimatingInvoicingPayment tracking
💼 Business
(1.8K)
free with in-app purchases
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
(1.1K)
free with in-app purchases

FAQ about Contractor Calculator

What are the best contractor calculator apps for iPhone?
Construction Master Pro Calc tops our contractor calculator apps ranking as of July 2026, with a 4.8-star average from 39K App Store ratings, and it's free to download.
Yes — 19 of the top contractor calculator apps we rank are free to download, including Construction Master Pro Calc and Feet and Inches Calculator.
Construction Master Pro Calc has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 221+ contractor calculator apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app is a powerful calculator designed for construction professionals. It specializes in dimensional math, offering solutions for layouts, bids, estimates, and complex calculations involving feet, inches, fractions, and metric units. It aims to improve speed and accuracy in various construction tasks.
Key features include comprehensive dimensional math and conversions, built-in right angle and rafter solutions, area and volume calculations, full trigonometric functions, and special functions like board feet and stud calculations. It also provides a built-in user's guide with context-sensitive help and the ability to save and share calculations.

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