Staircase Carpet Calculator
Staircase Carpet
Calculate carpet needed for stairs including treads and risers.
Formula
Carpet Length = (Tread + Riser + 2 in) / 12 x Steps
Frequently Asked Questions
How much extra carpet should I buy for stairs?
Add 10% to 15% extra for waste, cuts, and alignment.
Can I carpet stairs myself?
Yes, but professional install is recommended for safety.