Best 16 Unit Converter Apps for Android, iOS, and Online (2021)

These are some of the best free Unit Converter apps for your Android mobile phone & Tablet and iPhone & iPad.

You can download and install these free Unit Converter apps for free.

Here they are:

A) Android Unit Converter Apps

1) Unit Converter (Android)

2) Unit Converter (Android)

3) Unit Converter Pro (Android)

4) Full Unit Converter (Android)

5) Unit Converter (Android)


B) iOS Unit Converter Apps

6) Unit Converter – Best Unit Ap‪p (iPhone and iPad)

7) Units – Free Unit Converte‪r‬ (iPhone and iPad)

8) Converter4U – unit converte‪r (iPhone and iPad)

9) Converter+ (Units, Currencies‪) (iPhone and iPad)

10) Ad-Free Unit Converte‪r‬ (iPhone and iPad)

11) Easy Units Converte‪r‬ (iPhone)

12) Unit Converter HD (iPhone and iPad)


C) Online Unit Converter Apps

13) Unit Converters (Online)

14) Digital Dutch (Online)

15) Easy Unit Converter (Online)

16) Calculator.net Unit Converter (Online)


Unit Converter Apps

1) Unit Converter

This free Unit Converter app has currency (money, bitcoin), exchange rate, length, area, weight, volume, temperature, time, speed, shoe size, clothing size, hat size, ring size, and more converters for you.

You can also convert Science units such as pressure, force, work, power, torque, flow, current, and more.

Unit Converter

There are converters such as angle, data, fuel efficiency, cooking, illuminance, radiation, binary, blood sugar, and more.

Also, try the Best Top 6 PDF to Word Converter Apps.

2) Unit Converter

This free Unit Converter app has over 150 World currencies and their latest exchange rates.

There are 44 unit categories and 12700+ unit conversions. There are smart tools such as bubble level, compass, protractor, Stopwatch, ruler, World time, date converter, and much more.

Unit Converter 2

There are financial calculators such as Loan calculator, compound interest calculator, retirement calculator, service tax calculator, stock calculator, and more.

It supports both metric and imperial units. It also has a timezone calculator. This Unit converter app has the latest material design.

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3) Unit Converter Pro

Unit Converter Pro is for students, teachers, and practitioners in Engineering, Physics, Sciences, and technical subjects.

Unit Converter Pro

It can quickly convert more than 1500 different units in 80 categories. You can hide unwanted units and there are abbreviations of units.

Unit Converter Pro includes angles, area, currency, data storage, data transfer, length, density, energy, flow, force, fuel efficiency, mass, numbers, power, pressure, sound, temperature, time, velocity, volume converters, and many more.

Also, try the Best Top 7 PDF Converter App.

4) Full Unit Converter

With this unit converter, you can convert distance, area, volume, weight, time, temperature, power, speed, energy, force, pressure, and cooking units.

Full Unit Converter

Also, try the Best Top 6 PDF Reader Apps.

5) Unit Converter

This unit converter has temperature, length, mass, speed, volume, area, fuel consumption, time, and digital storage. It is useful for homework and other works that you might have.

Unit Converter 3

Also, try the Best Top 10 Free Ringtones App.


6) Unit Converter – Best Unit App (iPhone and iPad)

This free iOS Unit Converter app is optimized for iPhone 11, 11 Pro, 11 Pro Max, X, XS, XS Max, XR, 5, 5S, SE, 6, 6+, 7, 7+, 8, 8+ and iPad Pro 12.9 (1st, 2nd, 3rd gen), 11, 10.5, 9.7, Air, Air 2, Air 3, Mini (2nd, 3rd, 4th, 5th). It is also optimized for iPhone and iPad Retina display.

Unit Converter Best Unit Ap‪p iPhone and iPad

This has more than 155 world currencies with live currency conversion updates. You can also convert other units such as area, data-computer data, fuel-mileage, length, power, pressure, speed, temperature, time (days, weeks, hours, etc.), volume, weight mass, and more.

7) Units – Free Unit Converte‪r‬ (iPhone and iPad)

This iOS unit converter has more than 43 different categories including speed, time, length, volume, area, power, temperature, fuel consumption, shoe sizes, and many more.

Units Free Unit Converte‪r‬ iPhone and iPad

There are over 800 units across 43 different categories and there is a currency converter that can convert between 88 different currencies from across the world. It also has a ruler so that you can quickly measure anything you like.

8) Converter4U – unit converter (iPhone and iPad)

This is an ad-free unit converter app for iPhone and iPad. You can convert common units such as length, distance, weight, mass, area, temperature, and more.

Converter4U unit converte‪r iPhone and iPad

It works for both metric and imperial units. You can swipe the screen for an intuitive and quick category navigation.

9) Converter+ (Units, Currencies‪) (iPhone and iPad)

Converter+ iOS app has more than 100 categories to convert units from. Some of it is Area, Cooking, Coordinates, Energy and Work, Frequency, Gas Mileage, Length – Distance, Power, Pressure, Temperature, Velocity, Speed, Volume – Capacity, Weight – Mass, Computer Data (Bytes, MB, KB, GB), Data Transfer, Radix (Hex, Oct, Bin, Many scientific unit categories, and lots more.

Converter Units Currencies‪ iPhone and iPad

It also has a Currency converter (167 currencies), Inflation 1980-2010 (US), Savings. Loan, Mortgage, Energy Expense, Fuel Economy, Sales Tax, Tip Calculators, and more.

10) Ad-Free Unit Converte‪r‬ (iPhone and iPad)

Ad Free Unit Converte‪r‬ iPhone and iPad

This is a simple and intuitive unit converter for iOS. You can converts in acceleration, angle, area, density, distance, energy, force (or weight), mass, power, pressure, speed, temperature, time, and volume.

11) Easy Units Converter‬ (iPhone)

This simple unit converter app for iOS has over 120 different units in a total of 11 categories. Some of the categories include Area, Length, Power, Velocity, Volume, Weight, Time, Fuel, Temperature, Data Storage, Pressure.

Easy Units Converte‪r‬ iPhone

You can enter values via numeric keyboard.

12) Unit Converter HD (iPhone and iPad)

Unit Converter HD iPhone and iPad

Unit Converter HD has over 700+ units of measure in 30 categories. It supports dark mode and it is very easy to use app.


I hope you liked all these Unit Converter apps, please share it with your friends and family on Facebook, Twitter, and WhatsApp. I hope they like it too!

About N Kamal Hasa

I am Kamal Hasa N from Bengaluru, India and I am the owner of NPXP.com. I am a professional blogger since 2011. I hope you have a great time on NPXP and a good day.

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