Best Dimension Calculator Apps

250+ iOS apps curated and reviewed

4.4 avg rating
17 free apps
Updated July 2026

The best dimension calculator apps on iPhone average 4.4★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Compare top Dimension Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Feet and Inches CalculatorFeet and Inches CalculatorFree4.6★ (401)YesYesAug 2026
2Construction Master Pro CalcConstruction Master Pro CalcFree4.8★ (39K)NoYesAug 2026
3Calculator₊Calculator₊Free4.7★ (1.7M)YesYesAug 2026
4Panecal Scientific CalculatorPanecal Scientific CalculatorFree4.8★ (1.9K)YesNoAug 2026
5OneCalc: All-in-one CalculatorOneCalc: All-in-one CalculatorFree4.6★ (4.8K)YesNoAug 2026
6Calculator ∞Calculator ∞$5.994.7★ (6.3K)NoYesAug 2026
7Calculator for iPad!Calculator for iPad!Free4.7★ (60K)NoNoAug 2026
8UN Metric Threads CalculatorUN Metric Threads Calculator$9.99 was $17.995.0★ (1)NoNoJul 2026

Top Picks for Dimension Calculator

Feet and Inches Calculator#1

Feet and Inches Calculator by Evan Winograd

Perfect Construction Calc!
Editor's Choice
🔧 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 Pro Calc#2

Construction Master Pro Calc by Calculated Industries

Feet Inch Fraction Calculator
Strong Contender
🔧 Utilities
4.8😐(39K ratings)
FreeIn-App Purchases
#44in 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
Calculator₊#3

Calculator₊ by Impala Studios

Basic, Scientific, Plus Calc
Worth Considering
🔧 Utilities
4.7😞(1.7M ratings)
FreeAdsIn-App Purchases
Calculator₊ screenshot 1
Calculator₊ screenshot 2
Calculator₊ screenshot 3
Calculator₊ screenshot 4
Calculator₊ screenshot 5
Calculator₊ screenshot 6

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.

What We Love

  • 💻 Useful calculator features
  • 🎨 Customizable backgrounds and themes
  • 📚 Helpful history tracking

Room to Improve

  • 📺 Intrusive full-screen ads
  • 💰 Expensive subscription model
  • 🔍 Ads blocking calculator functionality

More Dimension Calculator apps to explore

4
Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
Free

This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

Formula editing with cursor and swipeReuse past formulasVariable memory for calculations
🔧 Utilities
(1.9K)
ad-supported
5
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
6
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
📚 Education
(6.3K)
free with in-app purchases
7
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
8
UN Metric Threads Calculator
UN Metric Threads Calculator
UN Metric Threads Calculator
UN, Metric Threads Dimensions
$9.99
$17.99 | 44% OFF

Calculate essential dimensions for UN and Metric threads, including major, minor, and pitch diameters. This tool provides overwrite measuring numbers for pitch diameter checks and supports both standard and custom thread types with guaranteed precision.

Calculate major, minor, and pitch diametersOverwrite measuring number for pitch diameterSupport for standard UN/Metric threads
🔧 Utilities
(1)
paid
9
ARCmaster: Geometry Calculator
ARCmaster: Geometry Calculator
ARCmaster: Geometry Calculator
Export PDF & CAD Drawings
Free
🔧 Utilities
(0)
10
Feet Inch Calculator - Truss
Feet Inch Calculator - Truss
Feet Inch Calculator - Truss
All Imperial Math & Fractions
Free
🔧 Utilities
(0)
11
Calculator area
Calculator area
Calculator area
A very useful area calculator
Free

Easily calculate the area of various shapes like rooms, roofs, and ceilings with a few taps. The app automatically corrects right angles and offers an option for manual angle correction to create any shape. It also allows for easy manipulation of angles and merging of walls.

Calculate area of rooms, roofs, ceilingsAutomatic right angle correctionManual angle correction for any shape
🔧 Utilities
(2)
ad-supported
12
Calculator of Formulas
Calculator of Formulas
Calculator of Formulas
Includes graphical plots
Free

This application calculates and graphs mathematical formulas with multiple variables. It allows for programming complex equations, plotting graphs with variable manipulation, and saving frequently used formulas. It also generates tables of results for easy export.

Programs formulas with up to six variablesPlots graphs with variable manipulationRay plotting for n-dimensional functions
📊 Productivity
(1)
free
13
Calculator!!
Calculator!!
Calculator!!
Improved History Feature
$2.99

This advanced calculator offers a comprehensive history of your calculations and supports complex functions like fraction manipulation, angle conversions, and equation solving. It also includes specialized tools for engineers and a dice roller.

Calculation historyFraction manipulationAngle conversions (degrees, minutes, seconds)
🔧 Utilities
(56)
paid
14
Calculator HD Pro Lite
Calculator HD Pro Lite
Calculator HD Pro Lite
Basic & Scientific Calc
Free

This app offers a user-friendly calculator with large buttons and extensive customization options. It features a dual-line display to see input and results simultaneously, saves your calculation history, and provides full scientific functions. Personalize layouts, themes, and even button symbols to suit your needs.

Dual-line displayCalculation historyFull scientific functions
🔧 Utilities
(51K)
ad-supported
15
igus® Fit Calculator
igus® Fit Calculator
igus® Fit Calculator
by igus® GmbH
Free
💼 Business
(0)
16
Construction Calculato‪r CCalc
Construction Calculato‪r CCalc
Construction Calculato‪r CCalc
Fractions Calc with Units
Free

This tool assists construction professionals with complex calculations involving fractions and mixed units. It offers features for unit conversion, concrete volume estimation, block quantity determination, and stair concrete calculation.

Fraction and mixed unit calculationsUnit conversion for area and volumeConcrete volume estimation
📊 Productivity
(0)
free
17
Cube Calculator - CalCon
Cube Calculator - CalCon
Cube Calculator - CalCon
Part of CalCon Calculator
Free
🔧 Utilities
(0)
18
CFT Calculator: All in One
CFT Calculator: All in One
CFT Calculator: All in One
Volume & Unit Calculator
Free
🔧 Utilities
(0)
19
Area Volume Calculator
Area Volume Calculator
Area Volume Calculator
by Trelleborg Sealing Solutions
Free

Easily calculate area, perimeter, volume, and weight for over 170 geometric shapes. Input measurements, select materials, and choose units for precise results. Includes shape definitions and formulas.

170+ geometric shapesCalculate area, perimeter, volume, and weightMaterial selection for weight calculation
🔧 Utilities
(14)
free
20
Bivatek Thread Calculator
Bivatek Thread Calculator
Bivatek Thread Calculator
ASME B1.1 Thread Dimensions
Free
🔧 Utilities
(0)

FAQ about Dimension Calculator

What are the best dimension calculator apps for iPhone?
Feet and Inches Calculator tops our dimension calculator apps ranking as of July 2026, with a 4.6-star average from 401 App Store ratings, and it's free to download.
Yes — 17 of the top dimension calculator apps we rank are free to download, including Feet and Inches Calculator and Construction Master Pro Calc.
Feet and Inches Calculator shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 250+ dimension 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 comprehensive construction calculator designed for tradespeople. It provides a wide array of tools to assist with tasks like estimating, layout, framing, and general jobsite calculations, aiming to enhance both speed and precision in your work.
Key features include tools for unit conversion (imperial and metric), triangle calculations, scale conversions for plans, circle and arc calculations, stair stringer layout, board feet calculation, baluster/fence spacing, pipe fitting, miter angles, tile/brick layout, concrete volume, grid ceiling calculations, and a jobsite ruler.