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Stair Carpet Calculator
Calculate square yards, linear footage, and carpet material needed for stairs
Carpet Standard: Each step requires material covering both the tread and riser (plus an allowance for nosing wrap $\sim 2\text{ to }3\text{ inches}$). Total area is converted into square yards ($9\text{ sq ft} = 1\text{ sq yd}$). Includes a 10% waste allowance.
Stair Dimensions & Step Count
Calculation Results
⚠️ Always account for extra carpet length if your carpet has a repeating pattern that needs matching across multiple steps.