Unit conversion is a fundamental task in everyday life and professional fields. With the increasing use of mobile devices, there has been a growing demand for unit converter apps that provide quick and accurate results. This article provides an overview of some of the best unit converter apps for Android and iOS platforms. The apps have been selected based on their user interface, functionality, accuracy, and overall user satisfaction.
We have compiled a list of 10 Best Unit Converter Apps For Android & iOS for your consideration, which have undergone rigorous testing and evaluation by our team of experts.
Table of Contents
10 Best Unit Converter Apps For Android & iOS
1. Converter+
Converter+ is a comprehensive unit converter that accommodates a wide range of currencies and units across numerous categories. Its selection of calculators includes mortgage, loan, tip, and fuel consumption, among others, to address everyday needs. Users can modify existing templates, create their own, or download templates contributed by other users.
The software automatically refreshes exchange rates for all 167 world currencies every 6 hours or upon request. Key features include the ability to convert multiple units/currencies concurrently, support for compound units, and a full-text search function that allows users to locate categories and units quickly. Converter+ also comes with a built-in standard calculator, a favorite list, and refreshes currency exchange rates automatically. Users can edit units/templates and share templates through email, as well as download templates from the Converter+ catalog on the internet.
Converter+ is preloaded with more than 100 categories, including various units of measurement for area, cooking, coordinates, energy and work, frequency, gas mileage, length-distance, power, pressure, temperature, velocity, speed, volume-capacity, and weight-mass. The software also includes currency conversion tools for 167 currencies, inflation data for US dollars from 1980-2010, savings calculators, loan and mortgage calculators, energy expense calculation tools, fuel economy calculation tools, sales tax calculators, tip calculators, and computer data conversion tools for Bytes, MB, KB, and GB. Additionally, Converter+ offers support for data transfer and radix (Hex, Oct, Bin) and several scientific unit categories.
To learn more about creating templates in Converter+, users can visit http://www.trancreative.com/go/CPDocs.
2. Convert Units for free
Convert Units for Free is a unit conversion app available on the App Store since 2009 which has gathered over 24 million users so far. The app is free of charge and allows users to convert various measurements including area, angles, currency, data, density, energy, force, length, mass, mileage, power, pressure, speed, temperature, time, volume, and volume flow. Users can also create their own custom conversions for any other types of measurements. The app comes with 13 ready-made categories for conversions, but users can also add or remove categories in the app.
One of the significant features of Convert Units for Free is its customizability. Users can save their favorite conversions for quick access and create their own unit conversions quickly and easily. The app also offers real-time currency conversions that are updated live. Users can download the app on iPhone, iPod Touch, or iPad, and it has an easy-to-use interface that is intuitive and user-friendly. The app is entirely free of charge and does not include any in-app purchases.
Convert Units for Free has received positive reviews from its users, with some describing it as an indispensable tool for everyday use. The app is versatile and can handle various types of measurements and conversions with ease. Users can use the app for academic, personal, or professional purposes, and it’s suitable for anyone, including physics students, cyclists, or plumbers. The app also comes with a copy-and-paste functionality that makes it easy to transfer the results of the conversions to other apps.
Free the Apps! brings Convert Units for Free to users free of charge and has offered other top free apps to its users. With over 35 million users, Convert Units for Free has become a popular and essential tool for many. The app is continually updated to offer its users an even better experience.
3. Mila’s Tools
Mila’s Tools is a unit conversion calculator designed for Apple iPhone users. The app includes converters for a range of areas, such as area, capacitance, fuel, time, and weight. Customers have left positive reviews, describing the app as intuitive with an easy-to-use interface.
The app features over 175 conversions, including area to weight. It is also the fastest converter available, with conversions happening as the user types. There are no dials to adjust, and active filtering helps users quickly find what they’re looking for. Additionally, associated units auto-convert as the user enters values.
Mila’s Tools is fully customizable, allowing users to hide unused converters and show only what they need. The app also includes a full list of unit converters, such as bits & bytes, blood sugar, fraction, and power. The converters cover a range of units, including feet, yards, meters, and miles.
The app’s power converter includes a variety of units, such as BTU/hour, calories/second, kilojoules, and watts. The temperature converter has a range of units, including Celsius, Fahrenheit, and Kelvin. The app also includes a torque converter and a velocity converter, which cover units such as feet per second and kilometers per hour.
Mila’s Tools also includes a volume converter, which covers metric and imperial units such as cups, gallons, liters, and pints. The weight converter covers milligrams, grams, ounces, pounds, and metric tons, among others. Overall, Mila’s Tools offers a comprehensive range of unit converters for Apple iPhone users.
4. Units – Free Unit Converter
Units is a mobile application that facilitates easy conversion of various units into others. The app can convert hundreds of units from 43 different categories, including Speed, Time, Length, Volume, Area, Power, Temperature, Fuel Consumption, Shoe Sizes, and more. Additionally, Units can convert between 88 different currencies, with rates updated daily.
The application is now fully universal, with native support for iPhones, iPod touches, and iPads. A new feature on Units is the ability to perform quick conversions on Apple Watch, making it perfect for currency conversions while on holiday or for any other calculations that require quick responses during the day.
Units also has a built-in ruler that enables users to perform small, quick measurements without carrying a ruler around. Users can hide units they don’t use, allowing for a streamlined conversion workflow.
Units Premium is also available, which removes adverts and allows users to reorder both units and unit categories to suit their needs.
5. Unit Converter Ultimate
Unit Converter Ultimate is a user-friendly application that provides a comprehensive range of conversion options. The app features a Material Design interface that is intuitive and visually appealing. The aim is to provide users with a simple tool that offers quick and easy conversions between different units without the need for complicated options or settings.
The app offers a wide range of conversion categories, including currency, temperature, length, mass/weight, speed, area, cooking volume, pressure, power, energy, time, fuel consumption, and digital storage. This makes Unit Converter Ultimate a versatile tool that can be used for work, school, or personal use.
Unit Converter Ultimate is an open-source application, and users who are interested in translating the app into their preferred language can do so by contacting the developer. Additionally, the app does not request any permissions, except for the donate option, which is entirely voluntary.
Users can navigate between conversions using the slide-in menu, which is accessible by swiping from the left edge of the app or pressing the app icon in the top left corner. The converted value can be customized using the Settings menu, which allows users to select the number of decimal places, grouping, and decimal separators. Long-pressing on the converted value copies it to the clipboard, and the swap Floating Action Button switches the selected units.
In summary, Unit Converter Ultimate is a free application that provides users with a straightforward and efficient tool for handling various conversions. The app’s Material Design interface, wide range of conversion categories, and customizable features make it a versatile and user-friendly choice. Users can contact the developer for translation support or to provide feedback on new features.
6. Unit Converter
The Unit Converter is the sixth addition to the Smart Tools® collection, with a focus on currency exchange rates. While there are many unit converter calculator apps available, this app sets itself apart with an intuitive and simple user interface that is designed for casual users.
The app is organized into four categories for ease of use: Basic (length, area, weight, volume), Living (exchange rate, temperature, time, speed, clothing, etc.), Science (pressure, force, energy, etc.), and Misc. (angle, data, fuel efficiency, etc.). The app also displays different unit sets based on the user’s country.
If users require additional units, they can send a request via email to the developer. An ad-free version of the app, Unit Converter Pro, is available for download. Users can also find more information on the app’s YouTube channel and blog.
7. Engineering Unit Converter
The Engineering Unit Converter is a comprehensive tool that offers an intuitive spinning wheel interface. This half-megabyte app does not require a network connection and contains no hidden code or ads. Users can choose from categories like length, energy, entropy, and electric charge. The available units appear in two spinning wheels, allowing users to select the “From Unit” and “To Unit” with ease. The input value can be changed in the yellow field, and users can sort units or use the swap button. Additional information about a measure is displayed when the help button is pressed. If a particular measure or unit is missing, users can contact the developers to update the converter.
The Converter Plus is an upgraded version of the Engineering Unit Converter, with additional features. It is lightweight and requires no network access. It also contains no advertisements or promotions. The app is user input-driven, meaning that when users ask for a new measure or unit, the app is quickly modified to accommodate their needs. The unique spinning wheel design is a standout feature and requires only a minimum number of clicks to convert units. Users have a better feel for the available units while rolling the spinners, compared to a drop-down selection menu. The front page may look cluttered with many measures, but the interface becomes more interesting once a particular measure is selected. Users can change the measure from a selection menu instead of returning to the home page.
The Converter Plus allows for various levels of customization, including adding or deleting a measure to or from the favorite tab. Once a measure is declared a favorite, units can be sorted alphabetically or by value. Unwanted units can be deleted by aligning the wheels for the undesired unit and clicking the delete button. New units or measures can be added. Frequently used top ten measures are dynamically listed in the Frequent tab. Compound units can be converted with ease, and the swap button allows users to reverse the left and right units.
8. Super Unit Converter
Super Unit Converter is a straightforward and user-friendly application designed to convert various units commonly used in day-to-day activities based on your requirements. It proves to be valuable for professionals, students, and teachers. The process of unit conversion is simple; select the units and enter the value.
This application can practically convert any unit imaginable, thanks to its extensive coverage, which includes acceleration, angle, area, digital storage, distance, energy, flow rate, force, length, light, mass, power, pressure, radiation dose, radioactivity, speed, temperature, time, torque, volume, and weight units.
Super Unit Converter boasts a beautiful design user interface that facilitates quick and effortless conversions from one unit to another. The application’s main objective is to keep things simple, so users are not overwhelmed with an excess of options and settings, allowing them to perform their desired conversion as quickly as possible.
9. All-in-one Unit Converter
The All-In-One Unit Converter app is a convenient conversion tool that offers over 2,000 units of measurement, including 150+ live currency exchange rates and a calculator. Ideal for use in various settings such as work, school, engineering, or the kitchen. The app now includes live currency updates for all major currencies in the world.
The app features nine converters, including General Unit Converter, Electricity, Engineering, Fluids, Heat, Light, Magnetism, Miscellaneous, and Radiology. The General Unit Conversion app includes conversion factors for acceleration, angle, area, data conversion, density, distance/length, energy, force, fuel consumption, frequency, mass/weight calculator, power, pressure, sound, speed/velocity, time, torque, volume units, and more.
Additional features include adjustable precision and format of the result, built-in real-time currency converters and their latest exchange rates, offline mode, and the ability to convert multiple units at once. The app also supports both Metric and Imperial Units and provides instant results while typing. A simple temperature converter is also included.
The app also offers real-time live currency exchange rates with offline mode support and instant currency conversion just by typing. It supports all currencies for every country, including the US dollar, British pound, Indian Rupee, Australian dollar, Singapore dollar, Canadian dollar, Japanese Yen, Euro, and many more. Available unit conversions include Acceleration, Area, Angle, Data/Digital Storage, Density, Length/Distance, Energy, Force, Fuel Consumption, Frequency, Mass/Weight, Power, Pressure, Sound, Speed/Velocity, Temperature, Time, Torque, and Cooking Volume.
Device permissions include android.permission.INTERNET to fetch the latest currency rates from the internet and com.android.vending.BILLING to remove ads and get access to premium contents of the unit converter.
10. ConvertPad
ConvertPad is a versatile and feature-rich application that functions as a unit converter, currency converter, and calculator. The application boasts of its simplicity and power, offering real-time currency and unit conversions in a clean and intuitive interface.
One of the notable features of ConvertPad is its universal unit converter and calculator, which allows users to compare units, perform direct arithmetic calculations, and search for additional unit information on Wikipedia. The application also provides country-specific units for users to choose from.
ConvertPad supports over 160 currencies and enables users to select their preferred exchange rate. It also offers support for 25 languages, including the option to set primary and secondary languages. The customization feature allows users to set their favorite categories and units and sort them according to their preferences.
Users can also define their own units and categories and use formulas to support their functional form. ConvertPad offers various settings options, including color themes, backup and restore for user-defined units, and thermodynamic steam tables.
The application requires permission for internet access and R/W access on external storage for updating currency and backing up user-defined units on SD card, respectively. Users are encouraged to leave their comments on the market to support the developer’s effort.
Recent updates on ConvertPad include voice and text searching, added languages, improved loading speed, and bug fixes. The application also offers various color themes and formula type input for user-defined units, reference unit options, and memorizing features on the calculator.