How to use the Stair Calculator
- Enter floor-to-floor height.
- Enter preferred riser height.
- Enter tread depth.
- Tap Calculate to see the result.
- Tap Reset to clear the fields and try again.
Last updated: 1 November 2026
Stair Calculator
Number of steps and riser height for a staircase.
Result
Fill in the fields and tap Calculate to see your result.
Estimates for planning only. Confirm quantities with your engineer or contractor.