It has the same measurements for the tread and riser as a box stair combined 18.
Calculate carpet needed for stairs.
Measure the floor space.
Total rise the vertical height between the bottom of the first step and the top of the final step in the stair stringer.
As you can see entering the room and stair dimensions into our carpet calculator makes life much easier.
Stairs can often seem a little difficult to measure just because of the shape of them.
To use our stair calculator you need to enter the following measurements as a minimum.
Carpets are installed either by professional carpet service staff or by yourself if you do decide to do it yourself about installing a carpet on your staircase it is important you accurately determine how much carpeting is required to fit your staircase perfectly stairs come in different shapes dimensions and sizes.
Count all the stairs and enter these numbers into the stair calculator.
Carpet no matter the style or weave is generally sold by the square foot or the square yard.
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.
Just measure length and width and multiply.
In our example your landing measures 4 by 5 feet 1 2 m 1 5 m.
A stair that has one open side with railing posts on it is known as a cap stair.
20 feet 6 1 m.
Multiply these dimensions to calculate the amount of carpet you ll need to cover the landing.
As these areas are easy to forget about and miss when calculating the amount of carpet needed.
Refer to the figure adjacent to the calculator as a reference.
How to calculate stairs.
For convenience and flexibility this stair stringer calculator comes in two forms the automatic and manual click on the icons to determine the best calculator to use for your stairs.
Total run the total horizontal length of the stair stringer.
When it comes to carpeting stairs the calculations are a little more involved but still doable.
How much carpet is needed to cover 2 rooms.
A fraction to decimal conversion table for common fractions used in measurements is also provided at the bottom of the page.
Do this for both rooms and add the numbers together.
Calculating square footage for most rooms in your home is straightforward.
When it comes to measuring areas for carpet issues can sometimes arise where a room has an alcove or recess.
You ll need between 80 and 110 square feet for 13 stairs.
The stair calculator is used for calculating stair rise and run stair angle stringer length step height tread depth and the number of steps required for a given run of stairs.
Multiply width times length.
Add this number to the total area of the stairs to calculate the total surface you ll need to purchase carpet for.
You will need approximately 4 of carpet to cover the width to allow the carpet to flow through the posts and wrap around the outside of the stair.
