Staircase Calculator
Calculate step dimensions, number of steps, and stair angle for safe and comfortable stairs.
Stair Calculation Results
Enter dimensions to calculate stair specifications.
How to Use the Staircase Calculator
This tool helps you design perfect stairs by calculating:
- Number of Steps: Based on total height and desired rise
- Step Dimensions: Comfortable rise and run measurements
- Stair Angle: Ideal slope for safety and comfort
Standard Stair Dimensions
- Residential Stairs: 7-8 inch rise, 9-11 inch run
- Commercial Stairs: 6-7 inch rise, 11-12 inch run
- Maximum Rise: 7.75 inches (residential), 7 inches (commercial)
- Minimum Run: 10 inches (residential), 11 inches (commercial)
Why Calculate Stair Dimensions?
- ✅ Safety: Prevent trips and falls
- ✅ Comfort: Create ergonomic stairs
- ✅ Code Compliance: Meet building regulations
