StairMark: Stair Calculator

Stair Stringer & Cut Layout

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

Calculate stair stringers fast. Get accurate risers, treads, framing-square marks, layouts and PDF cut sheets — built for the jobsite. Measure. Calculate. Mark. Cut. StairMark is a practical stair stringer calculator built for carpenters, deck builders, contractors and DIYers who want clear stair calculations without the guesswork. Enter your total rise and total run, and StairMark works out the measurements you need to lay out your stringer. Get your stair calculations in seconds, including: • Number of risers • Equalized riser height • Number of treads • Tread depth • Stringer length • Stair angle • Framing-square tongue and blade measurements BUILT FOR STRINGER LAYOUT StairMark doesn't stop at giving you a few numbers. View a clear visual stringer layout showing your calculated rise, tread and stringer dimensions, then use the framing-square measurements to transfer the layout to your material. CHECK COMMON STAIR LIMITS Quickly compare your calculated stair dimensions against common reference limits for riser height, tread depth and stair angle. StairMark is a calculation and reference tool only. Always verify your project against applicable local building codes and requirements. SAVE YOUR PROJECTS Keep calculations for different jobs together so you don't have to start again every time you return to a project. Perfect for: • Deck stairs • Outdoor steps • Interior stairs • Renovations • Extensions • Carpentry projects • Jobsite planning CREATE PDF CUT SHEETS Turn your calculation into a detailed PDF cut sheet containing your project measurements, stair dimensions, framing-square marks and stringer layout. Save it, share it or keep it with the rest of your project information. IMPERIAL & METRIC Work the way you prefer with support for both Imperial and Metric measurements. Imperial measurements can be displayed as practical fractions for easier use with a tape measure and framing square. MADE FOR THE JOBSITE StairMark is designed to be fast and straightforward. No accounts, no complicated setup and no unnecessary features between you and the measurements you need. Your projects stay on your device. STAIRMARK PRO Your first complete stair calculation is free. Unlock StairMark Pro for: • Unlimited stair calculations • Unlimited saved projects • PDF cut sheets • Full project workflow One-time purchase. No subscription. Whether you're laying out a deck stringer, checking stair rise and run, or preparing measurements before making your first cut, StairMark puts the essential calculations in one place. Measure with confidence. Build with StairMark. terms: https://stairmark.ai.studio/terms

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The developer, Joe Walker, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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Information

Seller
Joe Walker
Size
42.8 MB
Category
Utilities
Compatibility
Requires iOS 13.0 or later.
  • iPhone
    Requires iOS 13.0 or later.
  • iPad
    Requires iPadOS 13.0 or later.
  • iPod touch
    Requires iOS 13.0 or later.
  • Mac
    Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English
Age Rating
4+
In-App Purchases
Yes
Copyright
© 2026 Joe Walker
  • Developer Website
  • Privacy Policy

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