Fraction Calculator: Inch & CM

Easy Unit Converter & Calc

Free · In‑App Purchases · Designed for iPad

100% Free & Ad-Free. The simplest way to add Inches and Centimeters in one line. Perfect for woodworking, DIY, and precision measuring. CORE FEATURES: Hybrid Math Engine Seamlessly add, subtract, multiply, and divide fractions, inches, feet, centimeters, and millimeters in a single equation. Example: 1/2" + 5/32" + 1.5cm? Get the exact answer instantly. The Visual Tape Measure Stop squinting at tiny lines. Instantly see your calculated results pinpointed on a beautiful, dual-scale digital ruler. Verify your measurements visually before you make a single cut. Smart Cut Lists & Running Totals Don't lose track of your project dimensions. Save measurements to your Cut List with one tap. The app automatically tracks your history and provides instant running totals for your materials. Auto Kerf Compensation (Pro Feature) A true game-changer for woodworkers. The engine automatically factors in your blade thickness (kerf loss) when calculating multiple cuts from a single board, ensuring your final pieces are dead-on accurate. Built-in Cheat Sheets Quickly access standard shop references, decimal-to-fraction conversions, and essential shop formulas right from your pocket. 100% Offline & Private No internet required. No ads. No tracking scripts. Your measurements and cut lists stay locally on your device. Designed for the dusty, offline environment of a real workshop. FREEMIUM & PRO VERSION: Fraction Calc + is free to download and use for all your essential measurement math. Upgrade to the Pro version (a simple, one-time purchase—NO subscriptions) to unlock unlimited Cut List saves and advanced Kerf Compensation settings. Upgrade your shop workflow today. Measure twice, calculate once with Fraction Calc +.

  • 5.0
    out of 5
    1 Ratings

What's New in This Version: Better for Every Screen: Optimized the top display for smaller iPhone models to ensure your measurements are always clear. Theme Support: Added full compatibility for system themes, making the app look great in any mode. Help Us Grow: Added a friendly reminder to rate the app. If you find this tool helpful, your 5-star review means the world to a solo developer! General Improvements: Polished the UI for an even smoother calculation experience.

The developer, 传明 朱, 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:

    • Purchases
    • Identifiers

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
    • 传明 朱
  • Size
    • 32.2 MB
  • Category
    • Utilities
  • Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • iPad
      Requires iPadOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
  • Languages
    • English
  • Age Rating
    13+
  • In-App Purchases
    Yes
    • Lifetime Pro Membership $5.99
    • Lifetime Pro Membership $8.99
  • Copyright
    • © 2026 Chuanming Zhu