How to Calculate Carpet on Stairs
Measure the width of 1 tread with a tape measure.. Add 2 in (5.1 cm) to the total width measurement.. Measure upward across the tread and riser of 1 stair.
Steps
1
Measure the width of 1 tread with a tape measure.
Measure the width of 1 tread with a tape measure.
2
Add 2 in (5.1 cm) to the total width measurement.
Add 2 in (5.1 cm) to the total width measurement.
3
Measure upward across the tread and riser of 1 stair.
Measure upward across the tread and riser of 1 stair.
4
Round the measurements up and record them with a pen and paper.
Round the measurements up and record them with a pen and paper.
5
Measure the length and width of a landing separately from the stairs.
Measure the length and width of a landing separately from the stairs.
6
Multiply the measurements to find the square footage of 1 step.
Multiply the measurements to find the square footage of 1 step.
7
Multiply the area of 1 step by the number of steps.
Multiply the area of 1 step by the number of steps.
8
Calculate the area of a landing and add it to the area of the stairs.
Calculate the area of a landing and add it to the area of the stairs.
9
Use an online carpet calculator if you'd rather not do the math by hand.
Use an online carpet calculator if you'd rather not do the math by hand.
10
Add 10% extra to avoid running out of carpeting.
Add 10% extra to avoid running out of carpeting.
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