Fraction Calculator: Inch & CM

Easy Unit Converter & Calc

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

The Only Calculator You Need. Mix 1/2" + 1.2" + 1.5cm in one calculation. Now with Smart Layout for perfect spacing. No ads. Just precision. 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 +.

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

[NEW] Smart Layout Tool: Planning a fence, deck, or shelf? Our new Layout feature calculates equal gaps instantly. Just enter the total width and board size, and we’ll handle the rest. [PRECISION] Cumulative Error Tracking: We now alert you to those tiny fractional differences that add up over long distances. No more "creeping" errors on your 10th board! [UI] Presets & Speed: Added common lumber presets (1x4, 1x6, etc.) to save you time on the job site. [OPTIMIZED] Faster mixed-unit (Inch/CM) input handling.

Version 1.1.0

In-App Purchases

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

Accessibility

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

Information

Seller
  • 传明 朱
Size
  • 32.3 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.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
13+
In-App Purchases
Yes
  • Lifetime Pro Membership $5.99
  • Lifetime Pro Membership $8.99
  • Learn More
Copyright
  • © 2026 Chuanming Zhu
  • Privacy Policy