Stair Carpet Calculator
Result
Stair Carpet Calculator Calculate how much carpet you need to cover a staircase. — free online calculator.
Formula
- Stair Carpet Calculator calculates its result from Number of Steps, Tread Depth, Riser Height, Stair Width, Extra per Step (tuck/overlap). It uses the formula LF = steps × (tread + riser + tuck) / 12; Sq yd = LF × width / 12 / 9. Change any input to recalculate the result instantly.
- The main inputs are Number of Steps, Tread Depth, Riser Height, Stair Width, Extra per Step. Enter them in the units and format shown in the calculator.
- Keep measurements and project assumptions consistent before comparing or combining values.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Stair Carpet
- Number of Steps: 13
- Tread Depth: 10
- Riser Height: 7.5
- Stair Width: 36
- Extra per Step: 3 tuck/overlap
Using Number of Steps = 13, Tread Depth = 10, Riser Height = 7.5, Stair Width = 36, Extra per Step (tuck/overlap) = 3, the calculated result is 7.4027777778.
Sample result: Calculating…
Frequently asked questions
What does the Stair Carpet calculate?
Stair Carpet Calculator Calculate how much carpet you need to cover a staircase. — free online calculator.
Which values should I enter?
Enter Number of Steps, Tread Depth, Riser Height, Stair Width, Extra per Step using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: LF = steps × (tread + riser + tuck) / 12; Sq yd = LF × width / 12 / 9.
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.