Stair Stringer Calculator 4+

Building, Design, Construction

Dang Phan

Designed for iPad

    • 4.2 • 595 Ratings
    • Free
    • Offers In-App Purchases



Calculate the measurements needed to build stairs.

The Stair Calculator is a tool for calculating various parameters involved in the construction of stairs.

- Calculate the parameters to build stairs.
- Flexible input parameters: Run or Total Run
- Based on input parameters to give the largest and smallest number of steps sets.
- Support various unit for each input
- Copy result to clipboard

We are happy to serve! If you have any requests or suggestions, do not hesitate to contact us.

What’s New

Version 1.7.0

Bug fixes and performance improvements

Ratings and Reviews

4.2 out of 5
595 Ratings

595 Ratings

Daveinsandy ,

Easy to immediately understand and use

If your need is to calculate your rise, run and stringer specs, this is perfect. Pros: 1) interface is visually clean 2) obvious how to input and calculate 3) output gives variety of options 4) quickly run various scenarios 5) No in app ads! 6) Free! Cons: 1) Apparently the developer won’t actually come to the job site and cut the stringers for me. 😀
My project is to replace two precarious staircases in a home built in 1923. For a remodeling situation where we are dealing with several variables and wanting to try “what if’s?” this is perfect. Thank you Dang Phan!

Developer Response ,

Your project is interesting! I really appreciate your comments and suggestions. Wish your work smoothly.

railroadtrack ,

Clunky, more features needed

Full pic incl floor level and landing level with joist height. Stringers do not float in air.

Retrek ,

Kinda helps

Was looking for something that would calculate the total run based on height. Have to enter the total run which is what I needed to know. If you have run/rise then it gives options for number of stairs.

App Privacy

The developer, Dang Phan, 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 Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Usage Data

Data Linked to You

The following data may be collected and linked to your identity:

  • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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