Convertor Pro

Convertor Pro


(4 stars)


Download for Android Like

10,000 - 50,000 downloads

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All the units you need to convert, wrapped in the best user interface: as easy and intuitive to use as a calculator. It's unit conversion done right!

• Converts as you type (no "Convert" button to press)
• Use mixed units, like feet+inches
• Freely mix fractions (like ½) with decimals (like 0.5)
• Switch units by swipe, long-press, or menu
• Unit calculator with clipboard "memory"
• Supports tablets
• Three UI skin options: Holo Dark, Holo Light, and Classic Gray
• Includes Chinese and Hong Kong units
• Unit categories cover everything from the basics of length, weight and volume to more specialist measurements like magnetic flux density, torque, or radioactive decay. For a full list, please see the Convertor website,
• Currency conversions - converts the major world currencies listed by the Canadian and European Central Banks, complete lists at and - but please note that additional currencies can't just be added at will. The currency rates in the app have to come from somewhere, and if these banks don't list your favored currency, then the app can't show an exchange rate for it.

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Recently changed in this version

• Rename Data Storage and Bandwidth units for greater clarity
• Add numerous units to various categories (see website for complete list)
• Add absolute & gauge scales to all Pressure units
• Refine conversion factor of TCE (Energy category)
• Fix bug in the display of Quads (Energy category)
• Fix bug: Convertor Free sometimes showing too few unit rows in landscape

Comments and ratings for Convertor Pro
  • (67 stars)

    by Sharon Townsend on 04/02/2014

  • (67 stars)

    by Thom Beebo on 03/02/2014

    There is no similar app on GP that even comes close to the functionality & info in this app. When Google assigns the term "TOP DEVELOPER", Sterling Udell's apps should be the "standard" by which all others "given" that designation are judged. Purchase his TerraTime, PolyClock, and Moon Phase Pro, like me, & you'll further understand why I state that. I haven't had a significant bug in any of his a

  • (67 stars)

    by วุฒิพงษ์ ยุทธยงค์ on 19/01/2014

    This app is good but could be better of we can adjust font size (unit) it is very small and hard to see.

  • (67 stars)

    by nick shultz on 29/12/2013

    As a teacher I find I use this app daily. Couldn't imagine life without it.

  • (67 stars)

    by Dragan Srnic on 29/12/2013

    Very useful, easy to use. Fantastic!

  • (67 stars)

    by Brian Myers on 29/12/2013

    Just one of those must have, handy apps everyone should have with them. I can't imagine any line of work or hobby that you wouldn't find this useful

  • (67 stars)

    by Luis Amell on 24/12/2013

    I use it everyday. I just love it. Nothing seems to be missing. Very instinctive layout.

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