Stair Calculator
Calculate stair dimensions with riser height, tread depth, and stringer length. Checks building code compliance.
Number of Risers
14
Number of Treads
13
Actual Riser Height
7.71"
Stair Dimensions
| Number of Risers | 14 |
| Number of Treads | 13 |
| Actual Riser Height | 7.714" |
| Tread Depth | 10.0" |
| Total Run | 130.0" (10.8 ft) |
| Stringer Length | 169.0" (14.1 ft) |
| Stair Angle | 39.7° |
| Comfort Rule (riser + tread) | 17.7" (ideal: 17-18") |
Code Compliance (IRC Residential)
| Max Riser Height (7.75") | PASS |
| Min Tread Depth (10") | PASS |
| Min Width (36") | PASS |
| Overall Compliance | All checks passed |
Use the Stair Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
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