Stair Calculator .
stair stringer calculator
About
This app assists construction professionals and DIYers in accurately calculating stair dimensions. It provides instant results for step count, rise, run, angle, and stringer length, with visual previews to aid in planning and building.
What's New in Stair Calculator .
1.0
March 23, 2026
Subscriptions & In-App Purchases
Premium Version
Unlock Premium Version
Developer apps
FAQ
What are the core functions of Stair Calculator?
Stair Calculator helps you plan stairs by calculating the number of steps, exact riser height, total run, stair angle, and stringer length. It also offers visual previews like elevation, plan, and interactive 3D views for better understanding.
What types of stairs can Stair Calculator handle?
The app can calculate dimensions for straight stairs, and with a Pro upgrade, it supports L-shape, U-shape, and spiral stairs. It's useful for deck stairs, interior stairs, and projects with landings.
Does Stair Calculator support both metric and imperial units?
Yes, Stair Calculator supports both metric and imperial units, making it versatile for various projects and user preferences.
What information is provided in the calculated results?
You will receive precise calculations for the number of steps, number of treads, exact riser height, tread depth, total run, stair angle, and stringer length. Visual preview tools are also included.
What are the Pro features available in Stair Calculator?
The Pro version unlocks advanced tools such as L-shape, U-shape, and spiral stair calculations, PDF export, project history, adjustable tread thickness, stringer cut diagrams, and an ad-free experience.
How much does Stair Calculator cost?
Stair Calculator is free to download and use. It offers in-app purchases for a Premium Version with subscription plans ranging from $1.49 for 7 days to $19.99 for a year.
Does Stair Calculator have ads?
Yes, the free version of Stair Calculator contains advertisements. Users can remove ads by upgrading to the Premium Version.
What is the update frequency for Stair Calculator?
Stair Calculator was last updated on March 23, 2026, with version 1.0. Further update frequency information is not available in the provided data.
