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Unit Converter Pro

Unit Converter Pro is a handy utility for students, teachers, and practitioners in engineering, physics, sciences, and technical subjects. It can quickly convert more than 1500 different units in 80 categories.It contains the most important imperial and metric conversion factors for length, area, volume, mass, force, energy, temperature, and time units. But it provides many high-specialized units and categories, too.
Features include:
- Simple use
- Adjustable precision and format of result
- Daily updated foreign currency rates
- Abbreviations of units
- More than 1500 units of measurements in 80 categories
- Hiding of unwanted units
- Customization of app layout
- Expression input (e.g. (4+3)*50/3)
- Adding of user-defined units and categories
- Imperial and metric conversion

Unit Converter Pro includes 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 others.

Category : Tools

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Reviews (30)

Ruy. G. Sep 10, 2019     

Best Converter app I have ever had. It has a menu that lets you convert just about anything. Instead of loading down your device with a multitude of unit specific apps, this is a true All-in-one converter app. This is the only converter app I have ever needed, and I have used it for years. My appreciation to the developer(s) for creating such a versatile app, and especially for giving it to the people for free.

Col. B. Sep 27, 2020     

Fantastic. Love that you can do math operations in the conversion box. For example split 1 cup of floor into thirds and have the result in tablespoons. Love that you can hide units you don't use because there are a lot of them from different countries, even eras (biblical? Really?). Didn't see any ads but not sure if it said there was. I tried 5 of these apps. This is the one I kept.

Sam. S. Oct 14, 2021     

Due to the many units available, there is a learning curve, but it's worth it. Just turn off the units you don't want when you use a category for the first time. Note that you gotta change the currency source to make more of them available. This app is pleasing to use, and I like the seamless calculator. Adding a few mixed units that can't be added as custom units would make this complete for me, like feet-inches (rather than just feet in decimals or just inches) and hour-minute-seconds.

Spi. B. Apr 5, 2021     

Excellent app with very well thought-out features, like a simple built-in calculator in the input text bars, an always visible reverse conversion button, and a toggle to switch between your preselected favorite conversion and the full list. The latter being actually necessary because there's a RIDICULOUSLY large number of available conversions classified by type, such as length, speed, pressure, fuel efficiency, and a long etcetera of more obscure ones like dynamic viscosity and even currencies.

whi. Mar 3, 2022     

Over time this proved far too frustrating to use. Takes ages to find the commonly required units. Configuring the conversion windows keeps wrong footing the input. Sometimes it takes about a minute or two just to set up Kilograms to Pounds then when you think it's right the units swap places. Illogical operation. Going to look for a better one

Ric. D. Feb 4, 2022     

Elegantly simple, simply elegant app. Extremely comprehensive and flexible. Another free app I've managed to find, with no adverts, that does exactly what it says on the tin.

H8. M. May 6, 2019     

This app has more things to convert than I even knew of or heard of. In today's world , I find alot of recipes or schematics that are from other countries, that are written in their measurements, so, often I find myself needing to convert the everything. This is the best "converter" app available. Its takes away all the quantity guessing, and It's also fun just playing around on it. If you want to know how many droplets are in 2000 gallons (U.S.), this app will convert it for you.

Gar. W. Dec 24, 2021     

Good app for converting different units, however, it would be nice to have the option to arrange units alphabetically to make easy, fast and efficient to find what you want. Then I'd have to give it 5 stars!

Ste. D. Feb 6, 2020     

I read the warning about not working on newer android immediately before downloading! Following installation, the phone itself posted a similar warning. However, on clicking, 'OK' and opening the app., it seems to work satisfactorily. Only just installed, so cannot confirm whether it will continue to do so.

Enc. T. S. Mar 27, 2021     

Powerful app, however it takes some time (15 min) to learn how it is organized due to the massive conversion options. Pretty much has all conversion possibilities. The accurracy is hard to tell, until you have used for some time. But it seems like I will stick with this app for some time. As of March/21 is not invasive witb Ads, and the only 2 permissions are for the necessary functionality of the app. Internet only and I guess is for monetary conversions. Good Job developer !! Dont breake !!

Mr.. C. Sep 8, 2020     

I had hoped this app would convert from total dissolved solids, TDS (ppm) to electrical conductivity (microSiemens/cm). But, this does not appear to be the case. There is at least one app on Google Store that will perform this conversion. Nevertheless, Unit Converter Pro is definitely worth having.

Gab. P. Jan 7, 2020     

I was looking for a customisable unit converter for a long time. This is excellent. Thanks. Suggestions : cloth and shoes conversions is more challenging that people thinks. Overall, fantastic app and concept.

Don. M. Feb 15, 2019     

It's got every kind of conversion and then some. I like how you can flip the units, for example from meters to feet. My only request would be for a way to return to the top selection menu rather than use the back button.

Tom. P. Feb 8, 2020     

It works, it's accurate, but it's a tad clunky compared to most any web based conversion calculator. It'd be nice to enter data on either side of the conversion instead of having to manually switch modes.

Joe. O. Oct 9, 2020     

This apps content unit conversions that anyone may have to look for; this is perfect. I don't regret downloading and keeping it. Its easy to use and I therefore recommend this to both students and practicing professionals.

Tyl. H. Dec 3, 2019     

This has been a very useful app for me. Living in rural Canada with the differences from old and new it's very good for cycling through all of these different units. It's very user-friendly its precise and exact I like using this app and would recommend it.

A. G. u. Mar 9, 2020     

So many units. Seriously a huge number of unit options. It runs smoothly, is easy to navigate, is easily customizable, and it's quick to download and install.

Dav. F. Feb 7, 2022     

Excellent. It has units in there that I've never even heard of and will get the current rate of currency exchange as you use it. Probably the best unit converter I've used.

mat. Jul 4, 2020     

Best free converter you'll find by far. Easy to use and so many conversions it's absolutely worth the money ($0). I use it at least once a day 5 days a week and it's never let me down. It's been on my list of must have apps to download 3 phones running and you just can't beat it. Thank You for making my life easier

Pri. C. Apr 21, 2020     

Finally, a totally comprehensive conversion app that is tiny, powerful, free, accurate, and unpretentious. Excellent. Actually, it is better than excellent. I am impressed.

T. S. Nov 17, 2019     

The most comprehensive conversion app I've seen. Almost knocked off one star for not having 'smoots' for length ;-) Found it great for combustion equations. Update - asked to rate the app (again)- still pleased with the app.

Roy. L. Jan 30, 2019     

Great app ! Complete and very user friendly. Performs well on my Samsung phone. Gives me all the conversion info I need on a regular basis. Considering the premium version.

Igo. M. Mar 16, 2021     

Wonderful app. So much units to choose from. If it is possible, it would be a lot more convenient if there is a special section devoted to cooking units. It's fine this way but it's harder to find them. Anyway, it's a great app. I loved it on the first install.

Jer. C. Apr 16, 2022     

Awesome, for those that think it's to complicated, use google, or better yet, build a better app. Thank you for this. And as an app developer myself, I want to point out that you do not have ads, meaning you took the time to do this without expecting anything in return.

A. G. u. Dec 8, 2018     

Fantastically useful, especially when I see a unit I don't recognize (never knew what a 'poundal' was before). Beats carrying a sheet of conversions around. 《[(THX)]》 for developing this!

Fer. M. Jun 15, 2020     

Nothing beats this app in its completeness. Ive used it not quite often but when I do, I rely heavily on its accuracy and completeness. Handy and easy to use, the app is a mainstay in my app list.

Jes. A. Apr 19, 2022     

Finding the right units is tedious due to the lengthy listing. It might be easier by sub-grouping by magnitude; something like the way types of units are by dimensions (length, area, volume for example).

Ran. Apr 6, 2022     

An excellent app. No ad. Very very pro inevery aspects, it is perfect. Thanks for the effort.

Q. B. Jan 24, 2020     

Excellent app. One feature change recommendation would be to minimize the unit conversion list by grouping the items within an intuitive list for example? Benefit: Minimize lengthy scrolling

SAM. Feb 26, 2020     

I was excited to see so many options and inclusion for sound. But then i found out there's no conversion for sones (which no one should need but apparently still used for marketing gommicks.)