Stairs Calculator
Calculate Stair Dimensions
About Stairs Calculator
This calculator determines stair dimensions and requirements for construction, including rise, run, tread, riser, and structural specifications for stair designs.
Building Code Requirements:
- Maximum Rise: 7.75 inches per step
- Minimum Run: 10 inches per step
- Maximum Rise + Run: 17.75 inches
- Minimum Width: 36 inches (residential)