Unit Converter Ultimate

In-app purchases
4.2
14.2K reviews
1M+
Downloads
Content rating
Everyone
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About this app

A simple and easy-to-use unit converter to handle any conversion you'll ever need.

The beautiful Material Design user interface allows for quick and easy conversions from a number in one unit to another. The goal is to keep it simple - you won't be overwhelmed with an excess of options and settings, allowing you to perform your desired conversion as quickly as possible. Perfect for work, school or in the kitchen.

Available unit conversions include:
- Currency (US dollar, CDN dollar, pound, peso, etc)
- Temperature (celsius, fahrenheit, kelvin, etc)
- Length (kilometer, miles, meter, yard, feet, etc)
- Mass/Weight (kilogram, pound, ounce, ton, stone, etc)
- Speed (km/h, mph, knot, etc)
- Area (square kilometer, square mile, hectare, acre, etc)
- Cooking Volume (teaspoon, tablespoon, cup, pint, quart, ounce, etc)
- Pressure (kilopascal, bar, PSI, etc)
- Power (watt, kilowatt, horsepower, etc)
- Energy (joule, calorie, BTU, etc)
- Time (year, month, day, hour, second, etc)
- Fuel Consumption (miles per gallon, liters per 100km, etc)
- Digital Storage (bit, byte, megabytes, gigabytes, etc)

If you're interested in helping translate the app into your language, please e-mail me! Unit Converter Ultimate is open source, check out the code on GitHub - https://github.com/physphil/UnitConverterUltimate

**PLEASE NOTE** - The only permission requested is for the DONATE option... if you don't wish to donate, nothing will change, you won't be charged anything and you can continue to use the app as normal :)

**TIPS**
- Use the slide-in menu for navigation between conversions and select the units you require. To open the slide-in menu, swipe in from the left edge of the app, or press the app icon in the top left corner.

- The converted value is fully customizable. Use the Settings menu to select the number of decimal places required as well as the grouping and decimal separators.

- Long-pressing on the converted value copies it to the clipboard.

- Pressing the swap Floating Action Button switches the selected units.

It's free and has no annoying ads! If you run into trouble or have suggestions for new features please feel free to email me.
Updated on
Jan 8, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Ratings and reviews

4.2
13.5K reviews
Ashley Hunter
January 5, 2023
Love the app & how user-friendly it is. All the different categories are very helpful. A suggestion for an additional category: Time zones! Edit: As of 1/4/23 the app will no longer open on my Pixel 7. It crashes immediately whenever I try to open it, even after restarting. Will bring the stars back up to 5 once this is resolved.
6 people found this review helpful
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physphil
January 9, 2023
An update is rolling out now that should fix this for you :)
Naomi Trimble
May 21, 2023
Nice and clean app, but leans US centric in some small but critical areas. For example, in the cooking conversions, any imperial measurements that don't explicitly have (US) or (UK), such as teaspoon or cup, are US. Not particularly helpful if you're outside of the US and trying to convert an old recipe into modern measures. I like the overall simplicity and lack of ads, but just a touch more customisation, such as being able to add or remove measures to suit your needs, would go a long way.
18 people found this review helpful
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Mark Thomas
August 21, 2021
Like others, I've been using this for years and almost daily. This is a robust yet simple to use converter for many metrics. I've not had it crash on any of my devices, and there is still great support for it. Over the years I've seen new conversions added, and respect the developer(s) for keeping the layout simple and functional, rather than others who have priorities set on changing the look and UI every few months before bugs are fixed. Thank-you for creating and keeping this app alive :)
36 people found this review helpful
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What's new

- Fix crash due to currency conversion
- Update to target Android 13