Pro Construction Calculator
Rafter, Stair & Layout Tools
Only for iPhone
$4.99 · Designed for iPhone. Not verified for macOS.
iPhone
Tired of ads and subscriptions? Get the professional construction calculator you just buy once. Powerful rafter, stair, and angle finders for the serious builder.
Built for professionals, not data miners. Frame Calc Pro is the straightforward construction calculator you buy once and own forever. No ads, no subscriptions, no in-app purchases—just fast, accurate results when you need them most.
Designed for the job site, our clean interface and powerful wizards help you solve complex layouts in seconds. Stop wrestling with formulas, get the numbers you need, and get back to work.
POWERFUL CALCULATION WIZARDS:
Full Construction Calculator: Seamlessly work with Feet, Inches, and Fractions for all your standard arithmetic.
Advanced Rafter Layouts:
Calculate common rafters based on Roof Width, Run, or Rise.
Instantly find rafter lengths for buildings with Uneven Plates.
Stair Layouts (Single Step):
Residential Stairs: Get a perfect layout based on a 7 ¾" max riser.
Commercial Stairs: Calculate stairs based on a 7 ⅝" max riser.
Angle & Diagonal Finder: Multiply any two lengths (rise and run) to instantly calculate the Area, Diagonal length, Angle in degrees, and Pitch (Rise per Foot).
THE ESSENTIAL TOOL FOR:
Carpenters & Framers
Builders & Contractors
Woodworkers
Home Builders & Serious DIYers
Invest in a tool that respects your time and your wallet. Download Frame Calc Pro and get the job done right
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, David King, 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 Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- David King
- Size
- 1.7 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.1 or later.
- iPhone
Requires iOS 18.1 or later. - Mac
Requires macOS 15.1 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.1 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- Copyright © 2025 David King. All Rights Reserved.
