Stairs-X Pro Stairs Calculator
PixieFan Productivity
Calculate and design stairs in a professional way using inch fraction or metric
- Rating
- 4.6
- 653 ratings
- Downloads
- 10.2K+
- on Google Play
- Price
- $64.99
- No in-app purchases
- Updated
- May 28
- 2025 · v2.1.51
Screenshots
About Stairs-X Pro Stairs Calculator
Stairs-X Pro is a powerful and user-friendly stairs calculator and stair design, useful for fast calculations and design for standard stairs and advanced stairs. After calculation you can see the staircase in 2D drawing exactly how you like it, and you have the possibility to send your calculation alongside with all drawings thru email for future printings.
Input both IMPERIAL and METRIC units, and calculate using inch fractions.
Your stairs drawings are presented in real time in more views from side view, top view and detailed view.
Stairs-X Pro is super flexible and designed to be used for every person in the world, simple and easy to understand.
Stairs-X Pro is all you need for simple stairs, spiral staircase, wood stairs, stairs on stringer, or stairs in 90 degrees or 180 degrees turn, from wood, metal or concrete fast and easy.
All in one stairs calculator perfect tool for home use, construction and visualization in 2D, the best stair calculator. Very useful for builders, handymen, contractors, architects, etc.
Detailed drawings and accurate calculation for treads and risers, straight stairs, spiral staircase, stairs on L and U turn.
You can calculate:
- Simple stairs
- Semicircular stairs
- Stairs on stringer
- Stairs on bowstring
- Stairs on bowstring L shape
- Stairs on bowstring U shape
- Stairs on 90 degrees turn
- Stairs on 180 degrees turn
- Stairs on stringer 90 degrees turn Z shape
- Stairs on stringer C shape
- Spiral stairs
- Helical stairs
- Winder stairs on stringer with 90° turn
- Winder stairs on stringer with 180° turn
- Winder stairs on stringer Z shape
- Winder stairs on stringer C shape
- Angled winder stairs U shape
- Stair with intermediate landing
- Zig-zag stair (with tread on stringers) or (with tread between stringers)
- Zig-zag stair with intermediate landing (with tread on stringers) or (with tread between stringers)
- Zig-zag stair L shape (with tread on stringers) or (with tread between stringers)
- Zig-zag stair U shape (with tread on stringers) or (with tread between stringers)
- Zig-zag stair Z shape
- Zig-zag stair C shape
- Zig-zag winder stairs L shape
- Zig-zag winder stairs U shape
- Zig-zag winder stairs Z shape
- Zig-zag winder stairs C shape
Calculate treads depth, rise height, number of steps, length of stringer and angle fast and easy.
Calculate concrete stairs, wood stairs, spiral staircase and stairs on bowstring, each one with the best techniques of calculations.
All in one stairs calculator is all what you need.
Features included:
• Send email with your calculation and drawings in pdf.
• Detailed drawings, from side to top view with all type of stairs.
• Change stairs direction to right or left
• Support for tablets
• Choose between millimeters, centimeters or inches (fraction).
The most complete stair calculator from the market for mobile devices.
Thank you for using this app.
Input both IMPERIAL and METRIC units, and calculate using inch fractions.
Your stairs drawings are presented in real time in more views from side view, top view and detailed view.
Stairs-X Pro is super flexible and designed to be used for every person in the world, simple and easy to understand.
Stairs-X Pro is all you need for simple stairs, spiral staircase, wood stairs, stairs on stringer, or stairs in 90 degrees or 180 degrees turn, from wood, metal or concrete fast and easy.
All in one stairs calculator perfect tool for home use, construction and visualization in 2D, the best stair calculator. Very useful for builders, handymen, contractors, architects, etc.
Detailed drawings and accurate calculation for treads and risers, straight stairs, spiral staircase, stairs on L and U turn.
You can calculate:
- Simple stairs
- Semicircular stairs
- Stairs on stringer
- Stairs on bowstring
- Stairs on bowstring L shape
- Stairs on bowstring U shape
- Stairs on 90 degrees turn
- Stairs on 180 degrees turn
- Stairs on stringer 90 degrees turn Z shape
- Stairs on stringer C shape
- Spiral stairs
- Helical stairs
- Winder stairs on stringer with 90° turn
- Winder stairs on stringer with 180° turn
- Winder stairs on stringer Z shape
- Winder stairs on stringer C shape
- Angled winder stairs U shape
- Stair with intermediate landing
- Zig-zag stair (with tread on stringers) or (with tread between stringers)
- Zig-zag stair with intermediate landing (with tread on stringers) or (with tread between stringers)
- Zig-zag stair L shape (with tread on stringers) or (with tread between stringers)
- Zig-zag stair U shape (with tread on stringers) or (with tread between stringers)
- Zig-zag stair Z shape
- Zig-zag stair C shape
- Zig-zag winder stairs L shape
- Zig-zag winder stairs U shape
- Zig-zag winder stairs Z shape
- Zig-zag winder stairs C shape
Calculate treads depth, rise height, number of steps, length of stringer and angle fast and easy.
Calculate concrete stairs, wood stairs, spiral staircase and stairs on bowstring, each one with the best techniques of calculations.
All in one stairs calculator is all what you need.
Features included:
• Send email with your calculation and drawings in pdf.
• Detailed drawings, from side to top view with all type of stairs.
• Change stairs direction to right or left
• Support for tablets
• Choose between millimeters, centimeters or inches (fraction).
The most complete stair calculator from the market for mobile devices.
Thank you for using this app.
What’s new
Version 2.1.51 · Updated May 28, 2025
Improvements in calculculations and drawings
User reviews
Much better! This app is well designed, easy to use and major bugs seemed to have been fixed. Bravo!
Great app
Very useful
Good.
Excellent highly recommended for architects and students
Greay
Frequently asked questions
What is Stairs-X Pro?
Stairs-X Pro is a powerful and user-friendly stairs calculator and stair design tool for standard and advanced stairs. It allows you to calculate and design various types of stairs and view them in 2D drawings. You can also send your calculations and drawings via email.
What units can be used in Stairs-X Pro?
Stairs-X Pro supports both IMPERIAL and METRIC units, including inch fractions for calculations.
What views are available in Stairs-X Pro?
Stairs-X Pro provides real-time drawings of stairs in side view, top view, and detailed view.
Who can benefit from Stairs-X Pro?
Stairs-X Pro is designed to be used by builders, handymen, contractors, architects, and anyone involved in home construction or visualization in 2D.
What types of stairs can be calculated with Stairs-X Pro?
Stairs-X Pro can calculate various types of stairs, including simple stairs, spiral staircase, wood stairs, stairs on stringer, stairs in 90 degrees or 180 degrees turn, and more. It supports different shapes, materials, and configurations.
What calculations can be done with Stairs-X Pro?
Stairs-X Pro can calculate the treads depth, rise height, number of steps, length of stringer, and angle of stairs, making it fast and easy to estimate concrete stairs, wood stairs, spiral staircase, and stairs on bowstring.
What features are included in Stairs-X Pro?
Stairs-X Pro includes the ability to send your calculations and drawings via email in PDF format, detailed drawings from side to top view, the option to change stairs direction, support for tablets, and the choice of units (millimeters, centimeters, or inches).
Is Stairs-X Pro compatible with mobile devices?
Yes, Stairs-X Pro is specifically designed for mobile devices and is considered to be the most complete stair calculator available for such devices.
How can I contact the developers of Stairs-X Pro?
Thank you for using this app. For any inquiries or support, you can reach out to the developers via email or through the app's customer support channels.
Alternatives to Stairs-X Pro Stairs Calculator
Looking for apps like Stairs-X Pro Stairs Calculator? Here are 6 similar Android apps on Google Play. The highest rated is Fast Circle Calculator (4.6/5), and all 6 are free to download.
-
Stairs-X Lite - Calculator 4.3
-
Simple roofing calculator 4.2
-
Rafter estimator for roofing 4.2
-
Classic stair calculator 3.8
-
Triangle Calculator - Pro 4.0
-
Fast Circle Calculator 4.6
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Stairs-X Pro Stairs Calculator | 4.6 / 5 | $64.99 | 10,000+ | May 28, 2025 | |
| Stairs-X Lite - Calculator | 4.3 / 5 | Free | 1,000,000+ | Apr 6, 2026 | Compare |
| Simple roofing calculator | 4.2 / 5 | Free | 100,000+ | Apr 6, 2026 | Compare |
| Rafter estimator for roofing | 4.2 / 5 | Free | 100,000+ | – | Compare |
| Classic stair calculator | 3.8 / 5 | Free | 100,000+ | – | Compare |
| Triangle Calculator - Pro | 4.0 / 5 | Free | 10,000+ | Jul 28, 2026 | Compare |
| Fast Circle Calculator | 4.6 / 5 | Free | 10,000+ | Aug 30, 2025 | Compare |