
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 +.
Ratings & Reviews
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.
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
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- 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+
- 13+
- In-App Purchases
Yes
- Lifetime Pro Membership $5.99
- Lifetime Pro Membership $8.99
- Copyright
- © 2026 Chuanming Zhu