1. Unit Converter Pro
The Unit Converter Pro app may sound like a paid app (thanks to the suffix “Pro” attached to the name), but it is actually a free and very popular unit conversion app. With over 1 million downloads, the Unit Converter Pro app does not involve any ads or in-app purchases. The app supports the conversion of more than 1500 different units into 80 categories. The app has a pretty simple user interface, daily updated foreign currency rates, etc. The units are divided into Angle, Area, Currency, Data Storage, Data Transfer, Length, Density, Energy, Flow, Force, Fuel Efficiency, Mass, Length, Numbers, Power, Pressure, Sound, Temperature, Time, Velocity, Volume converters and many other categories. It also lets the user add user-defined units and categories and also allows imperial and metric conversion. The Unit Converter Pro app supports expression input (example, (4+3)*50/3).
2. Unit Converter Ultimate
Unit Converter Ultimate is another reliable unit conversion app that is available via the Google Play Store. The app offers an easy-to-use minimal user interface and can handle any conversion that the user throws at it. There are a few options, no clutter, and you get your conversions done straight and simple. The app boasts no ads, which is another nice feature of this unit conversion app. The Unit Converter Ultimate supports conversion units such as currency, temperature, length, mass, weight, speed, area, cooking, pressure, power, energy, time, fuel, and digital storage (bit, byte, kilobytes, etc.). Some other nifty features of the app include long-pressing the converted value to copy it to the clipboard. This makes it easy to share. The swap floating button switches the selected units, making conversions between units super fast.
3. Convert Units Plus
Convert Units Plus is another free unit conversion app that lets you convert almost any metric easily. Though the app has not been updated since 2018, it seems like users are still quite happy with the app. It boasts over 100,000 installs and is very light in size. The Convert Units Plus app supports the conversion of metrics such as Imperial, Metric, Weight, Length, Area, Fuel, Mileage, Power, Time, Pressure, Speed, Temperature, Volume, and Data. Moreover, the app also supports the conversion of all major currencies of the world, which are updated every 15 minutes. This makes it a good app for all travelers. The app UI is minimal and has a nicely baked colorful interface. Overall, the app is a pretty powerful unit conversion app that is a must-have if you deal with conversion often.
4. All-in-One Calculator
The name of the app is All-in-One Calculator, but it is a very powerful unit converter app as well. It is one of the highly-rated calculators available on the Play Store. The app not only helps you get your conversions done, but it is also a scientific calculator which many of our engineers would relate to. Besides, the app also supports currency conversion of over 160 currencies that are available offline. There are light and dark modes as well. Talking about unit conversions, it supports multiple conversion units like Acceleration, Angle, Length, Energy, Force, Torque, Area, Volume, Volumetric Flow, Weight, Temperature, Pressure, Power, Speed, Mileage, Time, Digital Storage, Data Transfer Speed, Numeric Base, Roman Numerals, Shoe Size, Ring Size, and Cooking. There are other features of the app, too, like a sales tax calculator, tip calculator, loan calculator, and much more.
5. Unit Converter
As simple as it can get, the Unit Converter app is a straightforward unit converter app. The app offers over 44 categories of units that can be converted. It has a simple and easy-to-use interface with some color elements to make the app a bit more attractive. The app boasts over 5 million downloads and is constantly updated with new features. The recent update introduced the dark theme, new units like Medical, Heat, Resistivity, Luminous Intensity, and new tools such as Periodic Table, Text Tools, Scientific Calculator, and Equation Solver. The Unit Converter app can perform more than 12700 unit conversions and has smart tools, such as Bubble Level, Compass, Protractor, Resistor Codes, Stop Watch, Ruler, World Time, Date Converter, and much more. If your job involves daily conversions, then this app is just for you.
Wrapping Up
These five are the best unit conversion apps for Android. Note that all the apps mentioned above are free of cost and are available on the Google Play Store. If you are looking for a file conversion app instead, check out some of the best file conversion apps for Android here.
