How Much Carpet Do I Need for 12 Stairs? Measure and Calculate Your Fit
To cover 12 stairs, measure each step’s width and height. For a width of 3 feet, use carpet that is at least 12 feet wide. Calculate the area by multiplying the tread (run) and riser (rise) for each step, then multiply by 12. You will need around 100 square feet of carpet. A carpet calculator … Read more