Classic stair calculator

Contains ads
3.9
607 reviews
100K+
Downloads
Content rating
Everyone
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About this app

Classic stair calculator help you to calculate your stairs fast, precise and with no limitation for how many steps do you want to have. All you have to do is to put your desired measurements in app and press calculate button, and your result pop-up instantly and ready to be used for building your stairs plan.
Mostly ideal for professional or occasional constructions, builders, engineers or handymen. Making life easier for everyone involved in any stair project.

Input both IMPERIAL and METRIC units, and calculate using inch fractions.

Ideal for calculate and build concrete stairs, wood stairs, iron stairs, straight stairs or with turn to 90 degree and 180 degree.

You can calculate:
- Simple stairs
- Semicircular stairs
- Stairs on stringer
- Stairs on bowstring
- Stairs on 90 degrees turn - stairs L shape
- Stairs on 180 degrees turn - stairs U shape
- Spiral stairs
- Helical stairs

Using classic stair calculator you can find treads depth, rise height, number of steps and angle fast and easy.
Updated on
Aug 5, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

3.9
589 reviews
Danny mills
July 23, 2022
I have used this calculator on many occasions and have been mostly satisfied with its performance, having now a staircase to make that is a little more complex I purchased the pro version and I am getting conflicting results between the two. And the free version is actually more accurate.
2 people found this review helpful
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TheEpicNamedGuy
April 18, 2024
It's ok if you've an idea already on what to do . Inaccurate and doesn't give ALL the info you'd want. Heavy ads. Not totally bad for free.
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HRH Stephen
May 3, 2023
Would be nice if you could reverse or mirror the stair direction, for stairs with landings.
2 people found this review helpful
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What's new

Bug fixed