Stair Case Calculator
Calculate stair dimensions, steps, and risers for safe and comfortable staircase design
Stair Calculation Formula:
2 × Riser Height + Tread Depth = 24-25 inches
The ideal relationship between riser height and tread depth for comfortable stairs
Stair Calculation Results
↑
Number of Risers
-
→
Number of Treads
-
↕
Riser Height
-
↔
Tread Depth
-
Stair Rule Compliance
Enter values to calculate
Share this Tool
Help others discover this useful calculator
Support Our Work
If you find this tool helpful, consider supporting us with a donation