Stair Calculator
Calculate Stair Dimensions
Results
Invalid Stair Design
Your design needs adjustment to meet standard requirements.
Number of Steps
14
Stair Angle
33.2°
Total Run
154.0 in
Space Required
154.0 in
Standard Requirements
Rise: 4-7.75 inches (optimal: 7 inches)
Run: 10-14 inches (optimal: 11 inches)
Minimum width: 36 inches
Minimum headroom: 6 feet 8 inches