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Best Contractor Calculator Apps

250+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

Out of 250+ contractor calculator apps on iOS, 20 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 (August 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
4Material Estimator CalculatorMaterial Estimator CalculatorFree4.8★ (3.1K)NoYesAug 2026
5Calculator for ContractorsCalculator for ContractorsFree4.2★ (15)YesNoMay 2026
6Concrete Calculator PlusConcrete Calculator PlusFree4.8★ (21K)YesNoAug 2026
7Feet Inch Calculator - TrussFeet Inch Calculator - TrussFree—YesNoJul 2026
8Construction Calculator Al -Construction Calculator Al -Free5.0★ (2)YesYesAug 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
#50in 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
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
(3.1K)
free with in-app purchases
5
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
6
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
7
Feet Inch Calculator - Truss
Feet Inch Calculator - Truss
Feet Inch Calculator - Truss
All Imperial Math & Fractions
Free
🔧 Utilities
(0)
8
Construction Calculator Al -
Construction Calculator Al -
Construction Calculator Al -
Builder & Contractor Estimator
Free

This AI-powered tool simplifies construction calculations with instant results, material-saving recommendations, and cost estimations. It offers 15 types of calculations, supports 12 languages, and includes an offline mode for use anywhere. Premium features provide an ad-free experience and full AI assistant access.

AI-powered calculationsMaterial saving recommendationsCost estimation
🔧 Utilities
(2)
free with in-app purchases
9
Square Footage Calculator: ft²
Square Footage Calculator: ft²
Square Footage Calculator: ft²
Sq Ft, Area, Room & Lot Size
Free

Quickly calculate the square footage of rooms and lots by entering dimensions. Add multiple rooms for a running total and easily copy results for quotes or invoices. Ideal for professionals and homeowners needing fast area calculations.

Live calculation updates as you typeFeet and inches inputDecimal feet mode
🔧 Utilities
(2)
free
10
Concrete Calculator: Jobsite
Concrete Calculator: Jobsite
Concrete Calculator: Jobsite
Concrete, slab, roof & cost
Free
🔧 Utilities
(0)
11
ABD Calculator
ABD Calculator
ABD Calculator
by Daniel Miller
Free
🔧 Utilities
(0)
12
Trades: Calc
Trades: Calc
Trades: Calc
Trade Calculators for Pros
Free
🔧 Utilities
(0)
13
TapeMath: Jobsite Calculator
TapeMath: Jobsite Calculator
TapeMath: Jobsite Calculator
Construction Calc & Estimator
Free
🔧 Utilities
(0)
14
Handy AI: Contractor Jobs
Handy AI: Contractor Jobs
Handy AI: Contractor Jobs
AI marketplace for home jobs
Free
🌟 Lifestyle
(0)
15
Concrete Jobsite Calculator
Concrete Jobsite Calculator
Concrete Jobsite Calculator
Concrete Calculator & Tools
Free
🔧 Utilities
(0)
16
Construction Calculator: Pro²
Construction Calculator: Pro²
Construction Calculator: Pro²
Deck, Roof, Stairs & Concrete
Free

This app provides a comprehensive suite of tools for construction professionals and DIY enthusiasts. It offers precise calculations for decking, roofing, stairs, concrete, and more, with support for both metric and imperial units. Designed for jobsite use, it works offline and provides clear visuals for accurate on-site measurements.

Decking and flooring calculationsRoofing material and coverage estimatorsStair and stringer rise/run calculations
🔧 Utilities
(17)
free with in-app purchases
17
SheetFlow: Drywall Calculator
SheetFlow: Drywall Calculator
SheetFlow: Drywall Calculator
Material & Labor Estimator
Free
🔧 Utilities
(0)
18
Holycalc - Cost Calculator
Holycalc - Cost Calculator
Holycalc - Cost Calculator
Material cost estimates
Free

This app helps professionals quickly calculate material and labor costs for estimates. It offers per-unit tracking, custom templates for various industries, and the ability to save and reuse them for efficient workflow management.

Per-unit cost trackingCustom industry templatesFast total cost calculations
🔧 Utilities
(0)
free with in-app purchases
19
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
(9.3K)
free with in-app purchases
20
FieldQuote - Contractor Quotes
FieldQuote - Contractor Quotes
FieldQuote - Contractor Quotes
Quote, Invoice & Get Paid Fast
Free
💼 Business
(0)

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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 August 2026, with a 4.8-star average from 39K App Store ratings, and it's free to download.
Yes — 20 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 August 2026.
We track 250+ contractor calculator apps on the iOS App Store as of August 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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