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Best Measurements Calculator Apps

250+ iOS apps curated and reviewed

4.7 avg rating
16 free apps
Updated September 2026

Every iPhone needs a few good measurements calculator apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Measurements Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Feet and Inches CalculatorFeet and Inches CalculatorFree4.6★ (409)YesYesSep 2026
2Feet & Inches Tape CalculatorFeet & Inches Tape CalculatorFree4.4★ (9.3K)NoYesSep 2026
3Unit Converter - Best Unit AppUnit Converter - Best Unit AppFree4.8★ (193K)YesYesSep 2026
4Fraction Calculator Plus #1Fraction Calculator Plus #1Free4.9★ (22K)YesYesSep 2026
5Feet Inch Calculator Tape MateFeet Inch Calculator Tape MateFree4.0★ (2)NoYesSep 2026
6Feet Inch Calculator - TrussFeet Inch Calculator - TrussFree—YesNoJul 2026
7Construction Master Pro CalcConstruction Master Pro CalcFree4.8★ (40K)NoYesSep 2026
8Calculator ∞Calculator ∞$5.994.7★ (6.3K)NoYesSep 2026

Top Picks for Measurements Calculator

Feet and Inches Calculator#1

Feet and Inches Calculator by Evan Winograd

Perfect Construction Calc!
Editor's Choice
🔧 Utilities
4.6😊(409 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
  • 👍 Helpful and responsive support
  • 👍 Great for construction and woodworking
  • 👍 Customizable interface

Room to Improve

  • 🐛 Occasional calculation errors
  • 🐛 Rotation issues after updates
  • 🔋 High battery usage
  • 💰 Ads can be intrusive in free version
Feet & Inches Tape Calculator#2

Feet & Inches Tape Calculator by Tue Nguyen Minh

Calculate feet & inches
Strong Contender
🔧 Utilities
4.4😞(9.3K ratings)
FreeIn-App Purchases
Feet & Inches Tape Calculator screenshot 1
Feet & Inches Tape Calculator screenshot 2
Feet & Inches Tape Calculator screenshot 3
Feet & Inches Tape Calculator screenshot 4

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.

What We Love

  • 👍 Works good
  • 👍 Good app
  • 👍 Simple and effective
  • 👍 Interesting display

Room to Improve

  • 🔒 Hate it - doesn't let you do equations without the measurements
  • 🔒 Incomplete - division and multiplication cannot be combined with additions
  • 💰 I'm so over this! - Charges for features
  • 💰 Bad app - Make you pay for everything
  • 💰 Bad - Your normal calculator can do the same
  • 💰 SCAM APP - Not even allowing users to test the app
  • 💰 Bought this and now I have to buy it again?
  • 💰 Don't Waste Your Time - Can't even do basic addition
  • 💰 Underhanded bait and switch - Have to pay for addition
  • 💰 Scam App - Can't even do 1+1 without paying
  • 💰 Scam - Most savage in app purchases I've ever seen
  • 💰 You have to buy it to use + button
  • 💰 Scam, you have to pay for everything and it asks you to review at the beginning
  • 💰 Can't even do 1+1 without paying
  • 💰 Paying for addition feature…
  • 💰 Don't bother downloading it. Waste of space.
  • 💰 Joke - You literally have to pay $5 to use the addition function
  • 💰 Misleading at best - Locked plus button
  • 💰 Beware - Asked me to rate it immediately after loading it
Unit Converter - Best Unit App#3

Unit Converter - Best Unit App by Alan Mrvica

Convert All Units and Currency
Worth Considering
✈️ Travel
4.8😊(193K ratings)
FreeAdsIn-App Purchases
#76in Travel
Unit Converter - Best Unit App screenshot 1
Unit Converter - Best Unit App screenshot 2
Unit Converter - Best Unit App screenshot 3
Unit Converter - Best Unit App screenshot 4
Unit Converter - Best Unit App screenshot 5
Unit Converter - Best Unit App screenshot 6

Easily convert between a wide range of units across 20 categories, including length, weight, temperature, and more. Features live currency updates for 155 world currencies, refreshed daily. Designed for simplicity and visual appeal.

What We Love

  • 🚀 Easy to use
  • 👍 Comprehensive conversions
  • 💡 Useful for travel and cooking
  • 🚀 Quick and efficient
  • 👍 Intuitive interface

Room to Improve

  • 🐛 Limited character input
  • 🐛 Difficulty with negative numbers
  • 💡 Lack of ability to quickly switch between conversions
  • 💰 Pro version not worth the cost

More Measurements Calculator apps to explore

FAQ about Measurements Calculator

What are the best measurements calculator apps for iPhone?
Feet and Inches Calculator tops our measurements calculator apps ranking as of September 2026, with a 4.6-star average from 409 App Store ratings, and it's free to download.
Yes — 16 of the top measurements calculator apps we rank are free to download, including Feet and Inches Calculator and Feet & Inches Tape Calculator.
Feet and Inches Calculator shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ measurements calculator apps on the iOS App Store as of September 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.