But once you learn the basics of making measurements, planning new stairs is not a difficult project. According to Jacobsen Rugs, "There is a slight tendency for runner width to increase as runner length increases." Treads may be cut to suit other widths. In general public spaces a minimum of 44” (112 cm) must be met—providing ample space for one person and allowing the tight passage of two people. Multiply that measurement by the number of stairs … [1] X Research source You should also measure the ceiling height. Updated daily. Multiply the width from step 4 by the length from step 3. Rise/Riser: The rise, or height of a step is measured from the top of one tread to the top of the next … Keep reading to learn how to determine the run, width, and length of the stairs! Thanks to all authors for creating a page that has been read 613,783 times. Measuring Stair Egress Width. Measure the distance from the floor where the base of the stairs will be to the ceiling. Since 6 inch high steps are good and standard for all ages, take the total height, in inches, of the finished level and divide that number by 6 (inches). Lui Colmenares. If your landing is at a height of 8', you will have a total of 12 steps at a height of 7-3/8" each. I have a thirteen foot floor, how many steps is that? Want updates on new Dimensions content? At 35 inches, you could have four steps, with each step rising 7.1 inches high. Tape Measure. Last Updated: August 24, 2020 This article has been viewed 613,783 times. 1 Person (Private): 36” | 91 cm1-2 People (Min. Stair details refer to the standard requirements for each of the various components of a flight of stairs. Once you have measure the length of your staircase, you need to find the correct width to complete your measurements. Lui Colmenares is a handyman and licensed home improvement contractor for Mr. – This is the length vertically up and over the step. Leave the end of the measuring tape in place at the top of the landing. Include your email address to get a message when this question is answered. How many steps are required if my porch is 30 inches off the ground? References For instance, if the run is 10 inches, square 10 by multiplying it by itself to get 100. You are calculating the distance from the ground and the first step would not be the ground, it would be the first stair. Enter Total Stair Run. Next, divide the rise by the number of stairs to find the rise of each individual stair. Handrails must be placed every 60” (152 cm). This article was co-authored by Lui Colmenares. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/bd\/Measure-for-Stairs-Step-1-Version-3.jpg\/v4-460px-Measure-for-Stairs-Step-1-Version-3.jpg","bigUrl":"\/images\/thumb\/b\/bd\/Measure-for-Stairs-Step-1-Version-3.jpg\/aid1390343-v4-728px-Measure-for-Stairs-Step-1-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"