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Best Measurement Converter Calc Apps

190+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated May 2026

Out of 190+ measurement converter calc apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Measurement Converter Calc

Unit Converter - Best Unit App#1

Unit Converter - Best Unit App by Alan Mrvica

Convert All Units and Currency
Editor's Choice
✈️ Travel
4.8😊(172K ratings)
FreeAdsIn-App Purchases
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

A free unit converter app optimized for iPhone and iPad, featuring 12 categories for converting various units including area, currency, data, length, and more. Includes daily currency updates for 155 world currencies and is designed for easy use. Download now for quick and accurate unit conversions.

What We Love

  • πŸš€ Easy to use
  • πŸ‘ Comprehensive conversions
  • πŸ’‘ Useful for travel and cooking
  • πŸš€ Quick and efficient

Room to Improve

  • πŸ› Limited character input
  • πŸ› Difficulty with negative numbers
  • πŸ’‘ Lack of ability to quickly switch between conversions
Convert Any Unit Lite#2

Convert Any Unit Lite by Cider Software LLC

Units & Currency Converter
Strong Contender
✈️ Travel
4.7😊(47K ratings)
FreeAds
Convert Any Unit Lite screenshot 1
Convert Any Unit Lite screenshot 2
Convert Any Unit Lite screenshot 3
Convert Any Unit Lite screenshot 4
Convert Any Unit Lite screenshot 5

Convert Any Unit Lite is a versatile app that simplifies unit conversions for users, offering a wide range of conversion options. Easily switch between various units for length, weight, volume, and more with a user-friendly interface. Download now to streamline your conversion needs.

What We Love

  • πŸ‘ Easy to use
  • πŸš€ Comprehensive unit conversions
  • πŸ’‘ Allows custom unit creation
  • πŸ”§ Useful for cooking, travel, and work

Room to Improve

  • πŸ” Too many unit options can be overwhelming
  • πŸ” Ads can be intrusive and disrupt usage
  • πŸ› Occasional bugs and freezing issues
Unit Converter - Pro Units App#3

Unit Converter - Pro Units App by Tue Nguyen Minh

Convert Any Unit
Worth Considering
πŸ” Reference
4.6😞(16K ratings)
FreeIn-App Purchases
Unit Converter - Pro Units App screenshot 1
Unit Converter - Pro Units App screenshot 2
Unit Converter - Pro Units App screenshot 3

A versatile conversion calculator app that effortlessly converts various units like length, weight, volume, and more. Simplify your conversions with ease by downloading the app now!

What We Love

  • πŸ‘ Easy to use
  • πŸš€ Simple design
  • πŸ‘ Covers many units
  • πŸ‘ User-friendly layout

Room to Improve

  • πŸ”’ Limited functionality without paying
  • πŸ”’ Most common units locked behind paywall
  • πŸ› Restore purchase not working

More Measurement Converter Calc apps to explore

4
Conversion Calculator !
Conversion Calculator !
Conversion Calculator !
Currency, Temperature, Length
Free

Easily convert units of measurement with this user-friendly app. Say goodbye to complex calculations and simplify your unit conversions today!

πŸ“Š Productivity
(13K)
5
Metric Conversion tool
Metric Conversion tool
Metric Conversion tool
Unit and currency converter
Free

A must-have unit conversion app with over 30,000 conversions, 160 currencies, and detailed historical records. Easily convert weights, temperatures, lengths, areas, volumes, time, angles, and more. Access nine significant digits and fractional results.

πŸ” Reference
(15K)
6
Conversion Calculator Plus
Conversion Calculator Plus
Conversion Calculator Plus
Unit Converter
Free

"Explore the ultimate Unit Converter tool with Conversion Calculator Plus – your go-to Swiss army knife for effortless unit conversions. Simplify complex calculations and streamline your work effortlessly."

πŸ“Š Productivity
(15K)
7
Converter-Universal Conversion
Converter-Universal Conversion
Converter-Universal Conversion
by Trelleborg Sealing Solutions
Free

"An all-in-one conversion tool for engineers and scientists, featuring over 300 units across 32 categories, currency conversion, timezone conversion, and more. Switch between themes, create favorite lists, and enjoy a seamless user experience. Available in multiple languages – download now!"

πŸ”§ Utilities
(897)
8
Convert Any Unit
Convert Any Unit
Convert Any Unit
Units & Currency Converter
$9.99

Convert Any Unit is an innovative app that allows users to effortlessly convert various units of measurement. From length and weight to temperature and more, this app offers a user-friendly interface for quick and accurate conversions. Try it now for seamless unit conversions on the go!

✈️ Travel
(5.1K)
9
GlobeConvert Currency & Units
GlobeConvert Currency & Units
GlobeConvert Currency & Units
Convert Currency and Units
Free

Convert currencies quickly and easily with this user-friendly app. Access up-to-date exchange rates and make conversions on the go. Experience convenience at your fingertips. Try it now!

πŸ”§ Utilities
(79K)
10
Measure Master Pro Calculator
Measure Master Pro Calculator
Measure Master Pro Calculator
Design + Building Math Calc
Free

A powerful measurement conversion calculator app for professionals in design, construction, and more, offering accurate results for various units and dimensions. Seamlessly switch between different measurement systems and access advanced functions for precise calculations and cost estimations. Try it free for 7 days!

πŸ”§ Utilities
(4K)
11
Unit Converter HD.
Unit Converter HD.
Unit Converter HD.
30 categories, 700+ units
Free

Discover a powerful unit converter app with 30 categories and over 700 units of measure. Make conversions easily across various categories and save time with this user-friendly tool.

πŸ”§ Utilities
(642)
12
myConvert Lite
myConvert Lite
myConvert Lite
Currency and units converter
Free

This ultimate unit converter covers everyday to scientific conversion needs, offering multiple unit conversions, a built-in numeric keyboard, and customizable features. Download it now to easily convert units, currencies, and more, and upgrade to the full version for additional features and ad-free experience.

πŸ” Reference
(4)
13
Convertible: Unit Converter
Convertible: Unit Converter
Convertible: Unit Converter
Currency and Unit Converter
Free

This application is a comprehensive unit converter that allows users to easily convert between various units of measurement, including standard and non-standard units, across multiple categories such as length, mass, area, and more. With its elegant interface, customizable themes, and unique features like fraction input and output, it helps users visualize and understand complex conversions in a fun and educational way, try it now!

πŸ”§ Utilities
(97)
14
Unit Converter: Mila's Tools
Unit Converter: Mila's Tools
Unit Converter: Mila's Tools
Metric Conversion Calculator +
Free

Experience quick and easy unit conversions with a free, fast, and elegant calculator tool from Mila's Tools. Convert various units such as Area, Bits, Bytes, Length, Temperature, and more effortlessly. Try it out now for hassle-free conversions!

πŸ”§ Utilities
(1.3K)
15
Measures Unit Converter
Measures Unit Converter
Measures Unit Converter
Unit Converter
$1.99
$2.99 | 33% OFF

Easily convert between hundreds of units and currencies with our intuitive app! Featuring a user-friendly interface, daily updated exchange rates, and a wide range of conversion categories, this app simplifies your daily tasks, travel, and leisure activities. Try it now for fast and efficient conversions!

πŸ”§ Utilities
(20)
16
Measure Converter – Unit Calc
Measure Converter – Unit Calc
Measure Converter – Unit Calc
Measure Converter on the go.
Free
πŸ”§ Utilities
(0)
17
Unit Converter - Converta
Unit Converter - Converta
Unit Converter - Converta
Unit converter: feet, inches
Free

Effortlessly convert between imperial and metric units with a user-friendly interface. Track your history and favorites for quick access, even offline. Download now for seamless conversions in your daily life.

πŸ”§ Utilities
(148)
18
CALC Smart Calculator Β±
CALC Smart Calculator Β±
CALC Smart Calculator Β±
Basic Β« Scientific Β» Advanced
Free
$5.99 | 100% OFF

Try CALC Smart Calculator Β± for a versatile and reliable calculating tool. From basic to advanced functions, it's trusted by scientists, professionals, and students. See why it’s Apple-Featured in Utilities and Calculate categories now!

πŸ”§ Utilities
(2.4K)
19
The Converter
The Converter
The Converter
by Vladimir Kofman
Free

"The Converter" is a versatile Unit and Currency Converter app with over 1500 units across 65 categories. Enjoy a user-friendly interface with advanced search options and customization features for convenient conversions. Try it out now for a seamless conversion experience! For feedback and support, contact vladimir@kofman.com.

πŸ”§ Utilities
(20)
20
Feet & Inches Tape Calculator
Feet & Inches Tape Calculator
Feet & Inches Tape Calculator
Calculate feet & inches
Free

Calculate feet and inches easily, with added features such as area and volume calculations for construction projects. Simplify your measurements and calculations today!

πŸ”§ Utilities
(9.2K)

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