Stair Calculator
Determine the number of steps, riser height, and tread depth for a staircase. Follows building code guidelines for safe, comfortable stairs.
Inputs
Results
Steps
14
Riser Height
7.71"
Total Run
10.8 ft
Meets Code
Yes
Stair Dimensions
| Measurement | Value |
|---|---|
| Number of Risers | 14 |
| Actual Riser Height | 7.71 inches |
| Number of Treads | 13 |
| Tread Depth | 10 inches |
| Total Run (horizontal) | 130.0 inches (10.8 ft) |
| Stringer Length | 169.0 inches (14.1 ft) |
| Riser + Tread | 17.71 inches (ideal: 17-18) |
| Angle of Flight | 39.7 degrees |
| Stair Width | 36 inches (3.0 ft) |
| Meets Code | Yes |