ConvertCalc

Units, Currency & Themes

Free · In‑App Purchases · Designed for iPad

ConvertCalc – Pro Calculator & Unit Converter Fast. Private. Ad-free. Over 200+ units. The only calculator you’ll ever need. ConvertCalc combines a powerful everyday calculator with an advanced unit converter in one clean, distraction-free app. Built for students, travelers, freelancers, and professionals who need accurate results instantly — without ads or clutter. WHY CONVERTCALC? Unified Workflow Calculate and convert in one step. Enter an equation, get the result, and instantly convert it to any unit. No switching apps. No extra taps. POWERFUL UNIT CONVERSION 19 categories. Hundreds of units. Real-world use cases: Essentials Length, Mass, Volume, Area, Temperature, Time, Speed Travel & Finance Live currency conversion (30+ major currencies) Shoe size conversion (Men, Women, Kids) Science & Engineering Force, Energy, Power, Pressure, Torque, Fuel Consumption Technology Data storage (Bit to Yottabyte) Data transfer speeds Calendar Systems Convert dates across: Gregorian, Japanese, Buddhist, Islamic, Hebrew, Chinese Lunar, Indian, Persian, ISO 8601, ROC Age Finder Instant age calculator and estimator GO PRO – TOTAL CONTROL Unlock the full power of ConvertCalc Pro: Favorite Pairs Save common conversions for quick access (USD to EUR, Meters to Feet, Celsius to Fahrenheit) One-Handed Layouts Compact, Right-handed and Left-handed modes Unlimited Named History Save, label, and organize your calculations Saved Shoe Profiles Store sizes for family and friends Full Organization Reorder currencies and units your way Advanced Rounding Control decimals and precision Premium Customization 50+ themes and custom colors Design your perfect calculator 100% Ad-Free Forever BUILT FOR DAILY USE Works offline (except live currency updates) Smart history tracking No tracking, no ads Clean, modern interface Download ConvertCalc One app. Endless calculations.

  • 5.0
    out of 5
    2 Ratings

- New keypad button shapes. - Improved keypad visuals so backgrounds match your selected shape. - 24 new premium themes. - Reliability fixes to protect your saved settings and history. - Minor bug fixes.

The developer, Michael Riehl, 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 Not Linked to You

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

    • Identifiers
    • Usage Data

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

The developer has not yet indicated which accessibility features this app supports. Learn More

  • Seller
    • Michael Riehl
  • Size
    • 28.9 MB
  • Category
    • Utilities
  • Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Languages
    Japanese and 2 more
    • Japanese, Simplified Chinese, Spanish
  • Age Rating
    4+
  • In-App Purchases
    Yes
  • Copyright
    • © 2025 Michael Riehl