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Best Free Carpentry Calculator Apps

225+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated July 2026

Looking for free free carpentry calculator apps? 20 of our 225+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Free Carpentry Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Construction Master 5 CalcConstruction Master 5 CalcFree4.9★ (12K)NoYesJul 2026
2Carpentry CalculatorCarpentry CalculatorFree5.0★ (1)NoYesJul 2026
3Construction CalculatorConstruction CalculatorFree4.7★ (554)NoYesJul 2026
4Chippy Tools: ConstructionChippy Tools: ConstructionFree4.7★ (946)YesYesJul 2026
5Feet and Inches CalculatorFeet and Inches CalculatorFree4.6★ (384)YesYesJul 2026
6Construction Master Pro CalcConstruction Master Pro CalcFree4.8★ (39K)NoYesJul 2026
7Concrete Calculator PlusConcrete Calculator PlusFree4.8★ (21K)YesNoJul 2026
8Carpenter Tools - CalculatorCarpenter Tools - CalculatorFree4.9★ (8)NoYesJul 2026

Top Picks for Free Carpentry Calculator

Construction Master 5 Calc#1

Construction Master 5 Calc by Calculated Industries

Feet Inch Fraction Calculator
Editor's Choice
🔧 Utilities
4.9😊(12K 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
Carpentry Calculator#2

Carpentry Calculator by Matthew Spencer

Calculations made easy
Strong Contender
🔧 Utilities
5.0(1 ratings)
FreeIn-App Purchases
Carpentry Calculator screenshot 1
Carpentry Calculator screenshot 2
Carpentry Calculator screenshot 3
Carpentry Calculator screenshot 4
Carpentry Calculator screenshot 5
Carpentry Calculator screenshot 6

This app simplifies complex calculations for carpenters, builders, and DIY enthusiasts. It handles tasks like roofing, stairs, and decking, offering both metric and imperial units. Visual aids and detailed measurements enhance accuracy and efficiency on any project.

Construction Calculator#3

Construction Calculator by xNeat.com

Feet Inch Calculator
Worth Considering
🔧 Utilities
4.7😞(554 ratings)
FreeIn-App Purchases
Construction Calculator screenshot 1

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.

What We Love

  • 👍 Easy to use
  • 🚀 Quick and accurate calculations
  • 💡 Helpful for construction work
  • 🎨 Customizable colors

Room to Improve

  • 💰 Subscription model is too expensive
  • 🔒 Paywall locks out useful features
  • 🔄 Forced updates break existing functionality

More Free Carpentry Calculator apps to explore

4
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
5
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
6
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
7
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
8
Carpenter Tools - Calculator
Carpenter Tools - Calculator
Carpenter Tools - Calculator
Framing, Stairs, Roof & More
Free

This app simplifies carpentry calculations for framing, roofing, stairs, and more. Quickly get accurate measurements and material counts without complex formulas or spreadsheets. Ideal for on-site work, shop use, or estimating.

Framing calculationsRafter and roof calculationsStair rise and run
🔧 Utilities
(8)
free with in-app purchases
9
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
10
Carpenter's Calculator
Carpenter's Calculator
Carpenter's Calculator
Supports mixed numbers
Free

This app simplifies calculations involving US Customary units, especially fractions and mixed numbers. It offers a user-friendly interface for woodworking measurements and general calculations, storing recent expressions for easy recall.

US Customary unit calculationsMixed number arithmeticFraction support
🔧 Utilities
(14)
free
11
Carpentry & Trim Calculator
Carpentry & Trim Calculator
Carpentry & Trim Calculator
Pro Woodworking & Framing Math
Free
🔧 Utilities
(0)
12
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
13
Basic Calculator+
Basic Calculator+
Basic Calculator+
Basic Four Function Calculator
Free

Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

Basic four functionsClear displayLarge buttons
🔧 Utilities
(243K)
free with in-app purchases
14
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(60K)
free
15
Calculator‰
Calculator‰
Calculator‰
Default Calculator
Free

This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.

Large buttonsClear displayFast calculations
🔧 Utilities
(404K)
ad-supported
16
Calculator·
Calculator·
Calculator·
Big Basic Calculator
Free

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Basic arithmetic operationsPercentage calculationsMultiple color schemes
🔧 Utilities
(33K)
free with in-app purchases
17
Calculator₊
Calculator₊
Calculator₊
Basic, Scientific, Calc +-
Free

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

Basic and scientific calculationsUnit and currency converterAI-powered math solver with photo recognition
🔧 Utilities
(1.7M)
free with in-app purchases
18
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

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.

Over 40 calculators and unit convertersStandard and scientific calculator functionsFinancial calculators (interest, loan, currency)
📊 Productivity
(4.8K)
free with in-app purchases
19
Construction Calculator Pro #1
Construction Calculator Pro #1
Construction Calculator Pro #1
Feet to inch conversion & more
Free

This app provides advanced construction math tools for builders and contractors. It offers precise calculations for framing, material estimation, and complex angles, helping to reduce errors and save time on the job.

Dimensional conversions (feet-inch, decimal, metric)Rafter, stair, and angle calculationsArea, volume, and material estimations
🔧 Utilities
(0)
free
20
Calculator Pro Lite
Calculator Pro Lite
Calculator Pro Lite
Best Calculator
Free

A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.

Customizable themes and colorsDual-line displayCalculation history
🔧 Utilities
(3K)
ad-supported

FAQ about Free Carpentry Calculator

What are the best free carpentry calculator apps for iPhone?
Construction Master 5 Calc tops our free carpentry calculator apps ranking as of July 2026, with a 4.9-star average from 12K App Store ratings, and it's free to download.
Construction Master 5 Calc has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 225+ free carpentry 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 specialized feet-inch-fraction calculator designed for construction professionals. It simplifies complex calculations related to layouts, bids, estimates, and dimensional measurements, aiming to improve project accuracy and efficiency.
Key features include advanced dimensional math and conversion capabilities, complete right angle and rafter calculations, area and volume solutions, specialized functions like Board Feet and Cost per Unit, and the ability to save or email calculations. It also offers context-sensitive help for each function.