Stair Calculator Pro
feet
inches
inches
Total Run:?
Total Rise:10"
Stringer Length:?
Rise:?
Run:10"
Angle:?
Top Rise:?
Bottom Rise:?
Total Run:?
Total Rise:10"
Stringer Length:?
Rise:?
Run:10"
Angle:?
Top Rise:?
Bottom Rise:?
Why Choose Stair Calculator Pro
Precise Calculations
Accurate to the millimeter
Free to Use
No cost, full functionality
Multiple Units
Support metric and imperial
Instant Results
Quick and responsive
Comprehensive Stair Calculation Features
Residential Stair Calculations
Precise measurements for indoor home stairs
Deck Stair Design
Accurate outdoor stair dimension tools
Commercial Stair Measurements
Professional tools for architectural stair design
Frequently Asked Questions
Find answers to common questions about stair design and our calculator.
Industry Standard References
Professional Design Guidance
Stair design is a complex process involving structural integrity, safety, and aesthetic considerations. While this calculator provides a solid starting point, we strongly recommend consulting with a licensed architect or structural engineer to ensure your stair design meets all local building codes and safety standards.
Building Code Considerations
Residential Stair Requirements
- Minimum width: 36 inches
- Maximum step rise: 7-7.75 inches
- Minimum step run: 10 inches
- Consistent step height throughout
Safety Recommendations
- Install handrails on both sides
- Ensure proper lighting
- Use non-slip treads
- Follow local building codes