Stair Calculator
Compute step count and riser/tread dimensions from total rise.
Enter total rise and target riser.
Advertisement
Ad space (in-content)
How to use this calculator
Enter the total floor-to-floor rise and your preferred riser height to size the staircase.
Formula / method used
Steps = round(rise ÷ target riser); tread ≈ 63 − 2×riser (cm).