Mila's Tools Unit Converter

Fastest conversion calculator

Free · Designed for iPad

23 converters in one free app — length, weight, volume, temperature, and more. Smart formatting, dark mode, and a design that makes every conversion effortless. Convert anything — 23 categories, completely free. Mila's Tools Unit Converter puts 23 converters in your pocket at no cost. Whether you need to convert temperatures for a recipe, check tire pressure in PSI, or calculate the days until a deadline, this app handles it all with precision and ease. What customers are saying: ***** "Get it! Nothing better than this!" ***** "This is the best quick ref tool I have come across to date" ***** "Undoubtedly the best conversion app in the App Store." ***** "Best app for me so far." ***** "Intuitive interface. The app design is so easy you'll actually use it." 23 CONVERSION CATEGORIES Length · Weight · Volume · Temperature · Area · Pressure · Energy · Speed · Time · Power · Force · Torque · Density · Angle · Fuel Economy · Flow Rate · Capacitance · Illuminance · Bits & Bytes · Blood Sugar · Dates · Fractions · Numbers COMPOUND UNITS Work with real-world measurements like feet + inches, pounds + ounces, or gallons + quarts. Values auto-normalize — type 13 inches and see 1 foot 1 inch instantly. DATE CALCULATOR Find the exact number of days, weeks, months, and years between any two dates. Add or subtract time from a date with quick-action shortcuts like "90 Days from Today" or "End of Year." FRACTIONS & NUMBERS Convert between fractions, decimals, and percentages. Translate numbers into Roman numerals, binary, octal, and hexadecimal. Explore magnitudes from thousands to decillions. HISTORICAL UNITS Go beyond modern measurements with ancient Egyptian, Mesopotamian, Greek, Roman, and Biblical units of length. BUILT FOR PRECISION Choose automatic smart formatting or set manual decimal precision from 0 to 10 places. Locale-aware number formatting respects your region's separators and conventions. SMART CUSTOM KEYBOARDS Purpose-built keyboards for every input type — numeric, whole number, Roman numeral, binary, octal, and hexadecimal — so you never have to fight autocorrect. DESIGNED FOR YOU • Dark mode with rich, category-specific color themes • Comfortable or compact view styles • Show or hide any unit in any category • Available on iPhone, iPad, and Mac

  • 4.8
    out of 5
    1K Ratings

- Added inline input arithmetic (ex. 1024/52+5*3) - New Angles category including radians gradians, sextants, turns, and more - New "Number Systems" section added to Numbers category includes Roman Numerals, Binary, Octal, and Hexadecimal - New historical units added to Length category including cubits, digits, palms, spans, and more - New custom simplified keyboards

The developer, Scott DeSapio, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location
    • Identifiers
    • Usage Data
  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Location
    • Identifiers
    • Usage Data
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer indicated that this app supports the following accessibility features. Learn More

  • Supported Features

    • Larger Text

    • Dark Interface

    • Differentiate Without Color Alone

  • Seller
    • Scott DeSapio
  • Size
    • 6.2 MB
  • Category
    • Utilities
  • Compatibility
    Requires iOS 18.5 or later.
    • iPhone
      Requires iOS 18.5 or later.
    • iPad
      Requires iPadOS 18.5 or later.
    • Mac
      Requires macOS 15.5 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 2.5 or later.
  • Languages
    English and 3 more
    • English, French, Hindi, Spanish
  • Age Rating
    4+
  • Copyright
    • © 2010-2026 Scott DeSapio