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Best Length Converter Plus Apps

185+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated May 2026

If you already know Unit Converter, this is the deeper bench. 185+ length converter plus apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.

Top Picks for Length Converter Plus

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

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

Room to Improve

  • 🐛 Limited character input
  • 🐛 Difficulty with negative numbers
  • 💡 Lack of ability to quickly switch between conversions
Conversion Calculator Plus#2

Conversion Calculator Plus by Yan Liong Tan

Unit Converter
Strong Contender
📊 Productivity
4.7😞(15K ratings)
FreeAdsIn-App Purchases
Conversion Calculator Plus screenshot 1
Conversion Calculator Plus screenshot 2
Conversion Calculator Plus screenshot 3
Conversion Calculator Plus screenshot 4
Conversion Calculator Plus screenshot 5
Conversion Calculator Plus screenshot 6

"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."

What We Love

  • 🚀 Great app
  • 👍 Easy to use
  • 🚀 Comprehensive conversions
  • 👍 Intuitive interface

Room to Improve

  • 🐛 Consent required for tracking
  • 🐛 Update problems
  • 🐛 Currency not updating
Convert Any Unit Lite#3

Convert Any Unit Lite by Cider Software LLC

Units & Currency Converter
Worth Considering
✈️ 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

  • 👍 Easy to use
  • 🚀 Comprehensive unit conversions
  • 💡 Allows custom unit creation
  • 🔧 Useful for cooking, travel, and work

Room to Improve

  • 🔍 Too many unit options can be overwhelming
  • 🔍 Ads can be intrusive and disrupt usage
  • 🐛 Occasional bugs and freezing issues

More Length Converter Plus apps to explore

4
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.

🔍 Reference
(15K)
5
Converter (unit conversions)
Converter (unit conversions)
Converter (unit conversions)
by Brent Royal-Gordon
Free

An essential unit conversion tool praised by Macworld Magazine, featuring 76 measurement units across various categories. Easily convert between units like length, weight, temperature, and more with a user-friendly interface and daily exchange rate subscription option for 161 currencies. Effortlessly manage your everyday unit conversions with this intuitive and practical application.

🔧 Utilities
(1.9K)
6
Length Converter Plus
Length Converter Plus
Length Converter Plus
by Hideshi Otsuru
Free

This application converts units of length, supporting various units such as micrometers, millimeters, and miles, allowing users to easily switch between them. Users can also utilize a built-in calculator for added convenience.

📊 Productivity
(1)
7
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!

📊 Productivity
(13K)
8
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!

🔧 Utilities
(1.3K)
9
Unit Converter - Pro Units App
Unit Converter - Pro Units App
Unit Converter - Pro Units App
Convert Any Unit
Free

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!

🔍 Reference
(16K)
10
Units Plus Converter
Units Plus Converter
Units Plus Converter
Convert Any Unit & Currency
$19.99

Units Plus Converter is a versatile application capable of converting any unit of measurement into another. From length and weight to temperature and currency, this app provides a comprehensive tool for all your conversion needs. Download now for hassle-free unit conversions.

🔧 Utilities
(8.3K)
11
My Currency Converter & Rates
My Currency Converter & Rates
My Currency Converter & Rates
Exchange Rates & Converter
Free

This currency conversion app allows users to instantly convert between different currencies with up-to-date exchange rates. Simply input the amount and select the currencies to get a quick conversion result. Try it now to effortlessly manage your international transactions!

✈️ Travel
(123K)
12
Units - Pro Unit Converter
Units - Pro Unit Converter
Units - Pro Unit Converter
by Homegrown Software Ltd
Free

This free app is a versatile unit converter with the ability to convert hundreds of units across various categories, including currency. Users can customize their conversion workflow by hiding unused units and reordering categories. The app is available on iPhones, iPod touches, and iPads.

🔧 Utilities
(150)
13
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!

🔧 Utilities
(79K)
14
Unit Plus Converter
Unit Plus Converter
Unit Plus Converter
Convert Any Unit or Metric
Free

"Effortlessly convert between various units with this beautifully designed app featuring over 100 common conversion units across multiple categories like area, length, temperature, and more. Help us improve by providing feedback and suggestions within the app or via email at gosalapps@gmail.com."

🔧 Utilities
(478)
15
CONVERT UNITS
CONVERT UNITS
CONVERT UNITS
Simple unit conversion tool
Free

Convert Units is a comprehensive conversion tool that supports various unit types, including currency, with automatic currency updates and a vast selection of 160 currencies. It offers convenient features like multitasking on iPad, quick access links, and customizable display options for accuracy and rounding. The app provides a user-friendly interface with a dark design and the ability to disable sound and rotation.

📊 Productivity
(932)
16
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!"

🔧 Utilities
(897)
17
Unit Converter ( Calculator )
Unit Converter ( Calculator )
Unit Converter ( Calculator )
by Seong Eon Kim
Free

This application allows users to convert various units of measurement, such as length, weight, volume, velocity, temperature, and pressure, from one unit to another. Simply select the unit type using the tab feature and convert units easily.

🌟 Lifestyle
(114)
18
Units+
Units+
Units+
unit and currency converter
Free

This unit and currency converter app allows users to easily convert values between over 260 units in 22 categories, including length, mass, and temperature, as well as exchange rates for over 160 currencies. With features like search, bookmarking, and categorization, users can quickly find and save frequently used conversions, making it a convenient tool for everyday calculations.

🔧 Utilities
(366)
19
Converter+ (Units, Currencies)
Converter+ (Units, Currencies)
Converter+ (Units, Currencies)
Unit and Currency Converter
Free

Unit and Currency Converter: Access a comprehensive unit conversion tool featuring a wide range of currencies and units across various categories. Perform calculations with calculators for everyday needs, edit templates, and download user-contributed templates. Keep up-to-date with automatic currency exchange rate updates every 6 hours.

📊 Productivity
(2.3K)
20
Currency Converter
Currency Converter
Currency Converter
Reliable Exchange Rates
Free

Get reliable exchange rates with our currency converter app. Easily check the latest rates and convert currencies on the go. Download now for quick access to accurate exchange information.

💼 Business
(69)

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