How to measure stairs for carpet.
Carpet measuring calculator stairs.
Length of the step.
The stair calculator is an online tool for calculating various parameters involved in the construction of stairs.
Divide by 12 and round up to get the number of feet.
For a straight staircase.
For a typical set of 12 box stairs measuring 3 wide using a carpet that is 12 wide you would require 12 x 4 6 in a 12 width of carpet you get 4 box stairs 12 divided by 3 so every 12 x 18 gives you 4 stairs.
How to calculate stairs.
If doing by hand multiply your stair area plus the padding by the number of stairs to determine how many square feet of carpet you ll need for all stairs.
Measure the rise and run.
Refer to the figure adjacent to the calculator as a reference.
Total rise the vertical height between the bottom of the first step and the top of the final step in the stair stringer.
To calculate how much carpet you ll need for your stairs start by measuring the width of 1 tread with a tape measure and add 2 inches to make sure you have enough carpet.
Include an inch or two extra to wrap around the nose.
Height of the step.
Total run the total horizontal length of the stair stringer.
After measuring the riser get the length and width of any landings then round all of your measurements up to the nearest foot.
Multiply that by the number of stairs.
Count all the stairs and enter these numbers into the stair calculator.
Width x run rise nose x number of stairs area.
Next measure upward across the tread and riser of 1 stair.