Convertor Free

Convertor Free

100,000 - 500,000 downloads

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Unit conversion done right! The unit converter with the best user interface, as easy and intuitive to use as a calculator. This FREE EDITION is available in two variants:


Converts four basic unit categories (Area, Length, Volume, and Weight) with the following features:

• 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
• Supports tablets
• Landscape layout supports left-handed users
• Three UI skin options: Holo Dark, Holo Light, and Classic Gray
• Includes Chinese and Hong Kong units

Ads Enabled

Opt in to advertisements for over 450 units in 31 categories, plus additional functionality. Includes all of the ad-free features above, plus:

• Unit calculator with clipboard "memory"
• Customize decimal places displayed
• 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

• Support single-tap to select category, or unit (on active unit row)
• Remove "Use fractions" checkbox from unit selection dialog
• Fix occasional crash when dis/enabling ads in settings (Free only)
• Fix bug: "Hide action bar" setting visible on some Samsung devices w/o a hardware Menu button
• Discontinue support for Android 1.6 (Donut)

Comments and ratings for Convertor Free
  • (69 stars)

    by Chandu Choudhry on 03/05/2014

    Thanx dear good job.

  • (69 stars)

    by Kaiser Pdm on 22/03/2014

    No comments about this

  • (69 stars)

    by Karishma Bansole on 15/03/2014

    Too good

  • (69 stars)

    by Ashok Singh on 09/02/2014

  • (69 stars)

    by Mike Paterson on 05/02/2014

    Absolutely fantastic app and superb support. This app thoroughly deserves 5 stars and the 69p for the Pro version.

  • (69 stars)

    by Thom Beebo on 03/02/2014

    If DEVs exist on GP you believe deserve support to continue dev'ing their excellent apps, Sterling Udell should be #1 on your list. Although Converter Free is "offered" in 2 variants (see info), you should purchase Converter Pro because it is, without question, the best "converter" app on GP. I also suggest you purchase, as I have done, his 3 other excellent apps: Moon Phase Pro, Terra Time, & Po

  • (69 stars)

    by sridhar pandiri on 27/01/2014