US-Metric/Imperial Converter

4.8
2.07K reviews
100K+
Downloads
Content rating
Everyone
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About this app

* Converts all commonly used units on 20+ categories (Area, Cooking, Distance, Energy, Flow, Fuel efficiency, Length, Light, Liquid volume, Pressure, Speed, Digital Storage, Temperature, Time, Torque, Volume, Weight)
* All common units for shopping/at home/travelling are available in home screen, no need to select units or switch screens.
* Works fully Offline (except for updating currency rates)
* No annoying Ads and is completely safe and free
* Highest rated converter in PlayStore.
* Unlike many other converters, this app doesn't need permission to anything on your phone. Its fully safe. You need not create account or login to use it.
* Its light weight and use only very little memory.
* Available in 26 languages
* Currency conversion rates (based on European Central Bank)
* Option to set your favorite conversion as home screen
* Conversion charts shown some of the commonly used units/values.
* Time conversion between four US time zones and Time between different states
* Very useful for people from other countries visiting or living in US.
Updated on
Sep 5, 2024

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
Learn more about how developers declare sharing
No data collected
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Ratings and reviews

4.8
1.97K reviews
Dominique Santora
August 5, 2024
I've had this app for two years as an American who has moved to Europe and I have to say it is genuinely a very good app. It's not super fancy with little animations, it's nice and simple and does exactly what it says it'll do with no issues, no ads, and no fee. Very strongly recommend this. Editing this: I still love the app as of 2024 but really wish there was a grams to cups conversion and vice versa.
32 people found this review helpful
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MobiSys
August 6, 2024
Hello Dominique, Thanks for the nice words. Grams <-> Cups conversion is available in the Cooking section. (Currently we have 'gm' in the unit selector, which will be changed to 'g' in next update, to be consistent with The International System of Units (SI) )
V K
December 25, 2024
It run on newer android good, doesn't compatible with android 4.4.4, force close on app start, but the about app page say it only requires android 4.4 and up, I use old phones to test apps. Wish I could delete some of the units I don't use on the MobiSys Unit page, and add some offen use units to it, that way don't need to navigate back and forth from one to another units, but it's already a great app for free and best NO ads. Thanks
4 people found this review helpful
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MobiSys
March 12, 2025
Hello, Thanks for your review and rating the app. We have the plans for an update to allow customizing the home page.
Draconifors
April 8, 2023
This is an excellent app that does exactly what it says it does. Extremely useful to me, as I do a lit of juggling between metric and that strange and complicated thing that is the Imperial system. Currently, the currency converter refuses to open, even though I uninstalled and reinstalled the app to make sure I have the latest version. I rarely need that conversion, anyway, and I'm not going to take off a star because of a no doubt temporary issue.
6 people found this review helpful
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What’s new

*Updated to support latest Android versions.\u000A*Added seekbar for Discount and Tip percentage.\u000A*Added triangle ara with two sides and angle.