Stair Calculator
Calculate the number of steps and rise for a staircase.
Result
Results are estimates for general information only and are not professional advice.
Designing a staircase
To build a comfortable staircase, the total rise is divided into steps of a comfortable height (around 17–19 cm). This calculator finds the ideal number of steps and the exact rise per step for your total height.
Frequently Asked Questions
What is the Stair Calculator?
Calculate the number of steps and rise for a staircase. It runs instantly in your browser and is completely free to use.
What do I need to enter to use the Stair Calculator?
The Stair Calculator asks for the following values (2): Total rise (cm), Target step height (cm). Fill them in and the result appears immediately — the calculation runs on your own device, so nothing you type is sent to a server.
How accurate is the Stair Calculator?
The Stair Calculator uses standard, widely-accepted formulas, so its figures are reliable estimates for everyday planning. They are not a substitute for advice from a qualified professional.
Is the Stair Calculator free, and do I need an account?
Yes. The Stair Calculator — and every other calculator on Calculatis — is completely free, with no registration, no download and no limit on how often you use it.