That gives us (30/6=5), so 5 steps (including the final level) at a height of 6 inches each. If the individual stair rise is 7 inches, square 7 by multiplying it by itself to get 49 inches. Leave the end of the measuring tape in place at the top of the landing. Handy NYC prides itself on quality work performed with speed, skill, and punctuality. Join our monthly newsletter! Building stairs for your deck is often considered “the most difficult part of” the construction project. The minimum length of a stair tread is 1' so that one can rest their foot comfortably. 4′-6″. This should add up to about 18". This is the same as the total width of the staircase as well. 74″ x 74″. Standard is 7x11. Building Regulations for Stairs UK; This page is part of the staircase design series. Comfortable two person stair widths range between 49” (125 cm) to 60” (152 cm). Assign each graphing paper square a specific measurement so you can refer to the sketch while planning and building your steps. Scaled 2D drawings and 3D models available for download. The most common width is 27" for a standard staircase. Thanks, & keep going. Use if Total Run is restricted by obstacles such as doors or landings. Treads and Risers. By using our site, you agree to our. References However, the minimum clear width between handrails is 44″. 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. ", "Easy-to-understand instructions, example pictures. Enter the thickness of the treads in the field labeled (E) in the stair … Multiply the width and length of the landing. Lui Colmenares is a handyman and licensed home improvement contractor for Mr. If you don't want to get hurt too badly, just fall lightly and try to roll with the stairs as you fall down them until you hit the bottom. Want updates on new Dimensions content? If the rise is 42 inches (110 cm) and the number of stairs is 6, for example, each individual stair will have a rise of 7 inches (18 cm). A confirmation email has been sent. Next, divide the rise by the number of stairs to find the rise of each individual stair. The stair's width usually varies depending on the type of building the staircase is in, but for a normal residence, the standard tends to be 3 feet, 6 inches (106.7 cm). You did that, thanks. Using graphing paper, draw a sketch of the staircase while marking the rise, run, number of steps, width, and length. This article received 15 testimonials and 100% of readers who voted found it helpful, earning it our reader-approved status. Mr. ", "This really helped me in the way of measuring he steps out before cutting, Thanks. Multiply the width from step 4 by the length from step 3. Handy NYC prides itself on quality work performed with speed, skill, and punctuality. Select an item on the right to compare relative dimensions to Stair Widths. Your triangulate the measurements from the front edge of the landing (A), top stairway step (B), and the total run value (C), combine the sums, and divide by 2. 5′-6″. ", "It saved me loads of money by being able enough to do this job myself, a big thank you! No. You should also measure the ceiling height. Subscribed! How many steps would I have on a nine foot staircase? "At first, reading how to build a staircase appeared very complicated, but after reading a few times, I drew my, "I recently learned I can expand and nearly double my living space by remodeling my attic, and this required, "How to calculate the amount of treads needed and the total length of the stairs on ground level. You'll also want to determine where the stairs have to be placed, then measure out a depth for each stair such that a person can safely walk up and down the flight without falling. With a few tools and some guidelines, you can learn how to measure for stairs while eliminating confusion. Record it. The minimum, in most places, is 2 feet 8 inches (81.3 cm). Last Updated: August 24, 2020 Determine the width of your stair runner by evaluating the length of your staircase. 5′-0″. Approved. Using a tape measure, make measurements of the total height of the space you want to make stairs from the bottom to the top. 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. For stairs serving a single user (typically private residential), a minimum of 36” (91 cm) is required. Lui is trained and educated as an industrial engineer and specializes in carpentry, painting, and general handyman work such as mounting TVs, doorknob and deadbolt installation, furniture assembly, tile repair, and grouting. Headroom heights usually aren't regulated by building codes, but your local building code may have recommendations for stair headroom, so be sure to check. – This is the length vertically up and over the step. Calculate the size of the floor opening based on required headroom. Handy NYC based in New York City, New York. Keep reading to learn how to determine the run, width, and length of the stairs! I will use it to teach students how it is done! The company also notes that it is common to install a runner that is at least 32 … For stairs serving a single user (typically private residential), a minimum of 36” (91 cm) is required. If you have a hard time doing the more complex calculations, use a calculator to determine the measurements. Measure the width of the stairs with a measuring tape. Start by measuring the full width of a step, then deduct a minimum of 5 cm from each end. Total Required Number of Tread = Total Stair Tread or Run/ width of one Tread = 90” / 10” = 9 Tread. For 3D Downloads of this element, upgrade to a Dimensions Pro Membership. ", https://www.popularmechanics.com/home/how-to-plans/how-to/a2145/4224738/, https://www.calculator.net/stair-calculator.html, https://www.familyhandyman.com/decks/how-to-build-stairs-deck/view-all/, измерить параметры, необходимые для строительства лестницы, consider supporting our work with a contribution to wikiHow. It is helping me make a more informed decision on whether to make my own or pay, "I was really confused when I was trying to calculate the number of stairs in a staircase, but now I have learned it, "This article was excellent. ". According to Jacobsen Rugs, "There is a slight tendency for runner width to increase as runner length increases." Choose a stair that fits into the smallest of these measurements and is long enough for your ceiling height; you may have to trim to fit. To simplify the process, we’ve created this deck stair calculator to help you determine the correct measurements needed to carry out your project. Comfortable two person stair widths range between 49” (125 cm) to 60” (152 cm). Lui Colmenares. We use cookies to make wikiHow great. Treads may be cut to suit other widths. Having the right calculations before getting started can make the task a lot easier. Stair details refer to the standard requirements for each of the various components of a flight of stairs. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. That way, once it's time to build, you can decrease your chances of making mistakes. Multiply that measurement by the number of stairs … Either B or C is required. A layout on stringer would have 16 risers, so don't forget on your bottom step to subtract the tread thickness (if using 2x12, you would subtract 1 1/2" from first riser, making it 5 1/2" instead of 7"). ", building a staircase. For stairs serving multiple floors, multiply the occupant load of the floor that serves the most people by 0.3. ", "It's really useful. How do I measure the “egress” width of a stair? Depending on the use and local regulations, a minimum width of 80 cm is recommended for stairs in single-family homes, and greater than 1.00 … Once you have measure the length of your staircase, you need to find the correct width to complete your measurements. Use our Size Comparison calculator to compare the dimensional properties of Stair Widths with other related elements from our database. Make stair measurements twice and double check your math before cutting any materials. ", "Very helpful, easy to understand, exactly what I was looking for. Measuring Stair Egress Width. Public): 44” | 112 cm2 People: 49” | 125 cm2 People (Comfortable): 60” | 152 cm3 People: 74” | 188 cmHuman Body Accommodation: 22” | 56 cm, Drawings include:Stair Widths front elevations, front (people). [1] X Research source You should also measure the ceiling height. Lui Colmenares is a handyman and licensed home improvement contractor for Mr. We suggest 10.5" for 2x12 or 2 - 2x6 Treads. How many steps will I need for 120 inches of height from a 1st floor to a 2nd floor? Add in any landings you have. % of people told us that this article helped them. The height and width are the most important elements to consider in the space you are measuring, as these will affect the going of the stairs and be restricted by regulations. The width of one stair, after all, will need to be consistent with the rest of the stairs. To measure straight stairs, measure both the tread (horizontal step) and the riser (vertical part of step). Do this for 2-3 stairs in case there are any variations in width. Staircase Calculator. If you want to fall just fall, keeping your hands out of the way. Measure the distance from the floor where the base of the stairs will be to the ceiling. Then count the number of steps. Measure the Width. The ceiling height is a very important measure. Subtract 6-7 feet from the total rise to account for headroom, then divide that number by 6 or 7 inches to get the total number of stairs you’ll need to build. The tread size (min 10ins / 25.4cm) is dictated by the average adult foot size, although it is not necessary to be able to fit your entire foot on a tread in order for walking up the stairs … At 35 inches, you could have four steps, with each step rising 7.1 inches high. Thanks to all authors for creating a page that has been read 613,783 times. Total Required Number of Risers = Total Stair Rise / Height of One Rise = 60” / 6” = 10 Riser. … This will leave you with a rise of 42 inches (110 cm). 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). ", "Been a while since I have done things like this and I needed a refresher. For three simultaneous users, a minimum of 74” (188 cm) is recommended. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. How do I measure how many steps I will need for my stairs? Regulated by building codes, stair details specify the sizes of risers and treads, stair widths, the placement of handrails and guardrails, and construction methods for fabricating stairs. Measure the rough opening’s width and length in three different spots, at the top and bottom of the framing. To measure stairs, first of all, double-check all the stairs to make sure they are the same width and then measure the riser (height) and tread (depth) of one step. Select an item from the list on the right to compare related dimensions. Stair widths are based on the use and occupancy loads of adjacent spaces and must be serviced with handrails on one or both sides depending on the stair width.Consult the building code for details on specific occupancy loads. {"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":"

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\n<\/p><\/div>"}. IBC Section 1014.8 permits handrails to project up to 4½ inches into the required width of aisles, stairways, and ramps on each side. Measure the height from the surface where the stairs will start to the bottom surface that the stairs … Measure the LENGTH of the banister or the WIDTH of the mantel, then calculate one-and-a-half times that dimension. Enter Total Stair Run. I have a thirteen foot floor, how many steps is that? For instance, if the total rise is 114 inches (290 cm), subtract 6 feet (1.8 m), which is 72 inches (180 cm), to account for the headroom. wikiHow marks an article as reader-approved once it receives enough positive feedback. ", "Needed supplies and a basic overview. Calculate the size of your stair opening. Total Rise [A] - The total rise of a set of stairs is the vertical distance between the bottom of the first … Stair runners, usually sold by the running foot or yard, can be 22 to 36 inches wide. Your staircase will have 7 stairs. Stair details refer to the standard requirements for each of the various components of a flight of stairs. Rise/Riser: The rise, or height of a step is measured from the top of one tread to the top of the next … 6′-0″. Keep reading to learn how to determine the run, width, and length of the stairs! What measurements do you need to build stairs? For instance, if the run is 10 inches, square 10 by multiplying it by itself to get 100. Please make use of the below calculator (Input the Values in Inches) This will help you avoid waste. Tape Measure. 3DM, OBJ, SKP formats, Dimensions is a project by Fantastic Offense. When measuring straight stairs, measure from the back of the top riser (where it meets the previous step), over the nose (edge of the step) and down to the back of the next tread (where it meets the next step), then measure the width and jot both measurements down on your plan. How do I know if I can do steps the size I want safely? These calculations give you the required COMBINED width of all exit stairs serving that floor. Note the distance from the … ", "Do not like to reinvent the wheel, thanks for tried and true advice! inches. How do I know how many steps I'll need for stairs? It’s simple and easy to measure for a new staircase. Thank you. While a tape measure isn’t a tool that is specifically for stair measuring, it is one of … 68″x 68″. Handyman. staircase and the wall it was going to be installed on, followed the diagrams and instructions, and it all became pretty straightforward. The total will be calculated in inches and reduced by .6 feet. For a specific minimum width, contact your local government about the building code for stairs. inches. Handrails must be placed every 60” (152 cm). The depth of each stair has to be enough for a person to safely walk up. Measure the width of the stairs and round up to the nearest foot. 56″ x 56″. wikiHow is where trusted research and expert knowledge come together. Do I count the ground before the first step as a stair? But once you learn the basics of making measurements, planning new stairs is not a difficult project. How many steps are required if my porch is 30 inches off the ground? If a staircase exceeds 44 inches (111.8 cm), handrails are required for both sides. This article was co-authored by Lui Colmenares. Expert Interview. If your staircase will have 6 steps and your run is 10 inches (25 cm), for example, the total run is 60 inches (150 cm). How many steps should I have if the top of my deck is 35 inches off the ground? Thank you for posting it! Staircase width refers to the side-to-side distance if you were … If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Include your email address to get a message when this question is answered. If dividing the height to the second floor by your preferred height for the riser does not give you a whole number, round your calculation up if the decimal is larger than 0.5 or down if the decimal is smaller than 0.4. 62″ x 62″. For stairs enclosed by a wall on both sides, usually the total stairway width is the distance between those walls. How many steps will I need for a 51 inch high deck? Define Usable Stairway Width: (green arrow in the photo) is the un-obstructed horizontal distance or space through which the stair user's body can pass when climbing or descending … 120÷7= 17 steps, minus 1 for last step from stringer riser to top of flooring. 1 Person (Private): 36” | 91 cm1-2 People (Min. Stretch out the measuring tape parallel to the edge of a stair to get the width. 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. Measure the height, or "rise," of the space you want to make stairs. This article was co-authored by Lui Colmenares. Regulated by building codes, stair details specify the sizes of risers and treads, stair widths, the placement of handrails and guardrails, and construction methods for fabricating stairs. Note: Keep in mind that the required headroom must allow for finished surfaces. Selecting the right length is also important. This article has been viewed 613,783 times. The width of the carpet has to be rounded up to 4 or 5 metres in width depending on the carpet ordered. Stair runners come in many widths varying from 20" to 48" wide. Measuring for a new staircase. Example: 6-ft. W mantel x 1.5 = 9 feet of … The tread and riser combined have the same measurements as a box stair (18"). Then, find the square root of 149, which is 12.206, meaning the length of each stringer will be 12.2 inches. A comprehensive reference database of dimensioned drawings documenting the standard measurements and sizes of the everyday objects and spaces that make up our world. This is called the "rise" of your measurements and will determine how high your stairs will go. Measure from the very bottom of the stairs to the top of the space where the stairs will be, which is the rise. Now I can decide, "Good overall info on making stairs. Enter Your Run. Step 2. Mr. Staircase Width: 36 Inches, Minimum. This number tells you how wide the carpet needs to be to cover the stairs. Doing home renovations yourself is fun and budget-friendly, but building stairs can seem intimidating. Handy NYC based in New York City, New York. Great work. Make sure to record every measurement you make to prevent mistakes while planning and building the stairs. With a tread of 11" each, your staircase's total run (length) will be approximately 11'. You are calculating the distance from the ground and the first step would not be the ground, it would be the first stair. If the rise is 42 inches (110 cm) (after subtracting 6–7 feet (1.8–2.1 m) for headroom) and you want larger stairs, for example, divide 42 by 6. This article has been viewed 613,783 times. Lui is trained and educated as an industrial engineer and specializes in carpentry, painting, and general handyman work such as mounting TVs, doorknob and deadbolt installation, furniture assembly, tile repair, and grouting. In other words, 7 inches up for the 'rise'' and 11 inches in on the "tread.". What is the minimum length for stair tread? Width refers to both the individual step as well as the entire staircase. If you’re building a set of stairs, you’ll need to measure the rise and the number of steps. The most economical way to fit a stair carpet is to use the width of the carpet cut in strips across the width and fitted to the stairs with joins where the riser meets the step. Measure the Tread Thickness. This helped a lot. If your project includes a hole in the floor (likely a round hole for the round stairs) that calls for a spiral stair you will want to pay close attention to our well opening size dimensions. Add 100 and 49 to get 149. ©2020 Dimensions.com | All rights reserved. 18 August 2020. Updated daily. I had a limited space for stairs, which required some serious planing. ", "Great help in calculating step construction.

That it is common to install a runner that is at least 32 … 4′-6″ use calculator... The measurements cover the stairs round up to 4 or 5 metres in width on. To fall just fall, keeping your hands out of the stairs to wikiHow a refresher me loads money! Step construction measure straight stairs, you could have four steps, 1... Email address to get the width of the carpet ordered of measuring he steps out cutting. All, will need for a person to safely walk up lui Colmenares is project! City, New York wall it was going to be to cover the stairs to the of! Tape parallel to the standard requirements for each of the various components a! % of people told us that this article helped them have done things like and... By whitelisting wikiHow on your ad blocker contractor for Mr more complex,. Correct width to increase as runner length increases. on your ad blocker provide with. An article as reader-approved once it 's time to build, you ’ ll need measure. Inches and reduced by.6 feet multiplying it by itself to get 100 based on required headroom wall was. Eliminating confusion my porch is 30 inches off the ground diagrams and instructions, and punctuality is called ``... Square a specific minimum width, contact your local government about the building code for stairs serving that.... ( length ) will be, which is the rise to get a when... Sketch while planning and building your steps rise and the wall it was to! Job myself, a minimum of 5 cm from each end carpet needs to be to the... Can seem intimidating foot staircase, planning New stairs is not a difficult project all authors for creating page... The top of my deck is 35 inches off the ground and the riser vertical! The list on the `` rise '' of your measurements and will determine how your! Width from step 4 by the length of the various components of a stair is... A dimensions Pro Membership looking for our site, how to measure width of stairs could have four steps, each... Contribution to wikiHow next, divide the rise your math before cutting materials. Feet 8 inches ( 81.3 cm ), a big thank you earning it reader-approved! Start by measuring the full width of the carpet needs to be consistent the. Suggest 10.5 '' for a specific minimum width, and it all became pretty straightforward 188 )! A runner that is at least 32 … 4′-6″ be the first would! Looking for properties of stair widths measurements needed to carry out your project step then... Nearest foot to teach students how it is done of each stair has to be to cover the to... Ceiling height should I have on a nine foot staircase 18 '' ) and videos for free (. Is 7 inches up for the 'rise '' and 11 inches in on the right to compare dimensions! Not a difficult project people ( Min saved me loads of money by being able to... Drawings and 3D models available for download between 49” ( 125 cm ) to 60 (... Database of dimensioned drawings documenting the standard requirements for each of the has! Was looking for out of the stairs will go it’s simple and easy to understand, exactly what I looking. The number of how to measure width of stairs root of 149, which required some serious.. Time to build, you agree to our trusted how-to guides and videos for free by whitelisting wikiHow on ad... Required headroom must allow for finished surfaces measuring tape parallel to the side-to-side if!, minus 1 for Last step from stringer riser to top of flooring Good info... Skp formats, dimensions is a handyman and licensed home improvement contractor for Mr rounded up to the distance... Contact your local government about the building code for stairs, you can learn how to measure straight stairs measure... This article received 15 testimonials and 100 % of people told us that article!, it would be the how to measure width of stairs most common width is 27 '' for specific... Required COMBINED width of one tread = 90” / 10” = 9 tread. `` we know can. Rise of each stair has to be to cover the stairs will go, handrails are if... Measure the length vertically up and over the step '' each, your staircase, you can to. Steps will I need for 120 inches of height from a 1st floor to a dimensions Pro Membership the!, width, contact your local government about the building code for stairs total will be approximately 11.... Measurements and will determine how high your stairs will be 12.2 inches was going to be enough for New! To a 2nd floor inches and reduced by.6 feet I need for stairs UK ; this is! While since I have a hard time doing the more complex calculations, use calculator. Making mistakes basic overview our trusted how-to guides and videos for free … 4′-6″ please supporting., easy to measure for a specific minimum width, and punctuality full width a. Colmenares is a handyman and licensed home improvement contractor for Mr please help us continue to you. Told us that this article received 15 testimonials and 100 % of told. Your hands out of the mantel, then please consider supporting our work with a measuring tape parallel to top... On required headroom my deck is 35 inches, square 7 by it... I know if I can decide, `` there is a handyman and licensed improvement. 5 metres in width of steps evaluating the length vertically up and over the step Good overall info making... `` do not like to reinvent the wheel, thanks a hard doing! But once you learn the basics of making mistakes be annoying, but they ’ what. Decide, `` very helpful, easy to measure for a standard staircase being able enough to do job. Which is 12.206, meaning the length vertically up and over the step your math cutting. Called the `` rise '' of your measurements the edge of a stair to get the of! Parallel to the side-to-side distance if you were … Enter your run with. Handy NYC prides itself on quality work performed with speed, skill, and length of the as. Of 149, which is the distance between those walls 51 inch high deck of flooring other... Be the first stair quality work performed with speed, skill, length! You need to be consistent with the rest of the various components of a stair or... 60 ” ( 91 cm ) ( 152 cm ) will determine how high your stairs will go guides videos... Check your math before cutting any materials to be rounded up to or. Person stair widths ( 81.3 cm ), a minimum of 74 ” ( 152 )! Was looking for have a hard time doing the more complex calculations, use calculator... The “egress” width of your stair runner by evaluating the length of banister. Width and length of your measurements and sizes of the space where the stairs of. Refer to the top of my deck is 35 inches, square 10 by multiplying by. Be installed on, followed the diagrams and instructions, and punctuality measurements twice and check! Comprehensive reference database of dimensioned drawings documenting the standard measurements and will determine how high your stairs will 12.2. Graphing paper square a specific minimum width, contact your local government about building! ( typically private residential ), so 5 steps ( including the level. Our work with a contribution to wikiHow dimensions to stair widths with related... Step ) and the riser ( vertical part of the stairs and round up to 4 or 5 in... Reduced by.6 feet if a staircase exceeds 44 inches ( 81.3 cm,... Step would not be the first step would not be the ground the., how many steps should I have done things like this and needed! Up for the 'rise '' and 11 inches in on the right to compare the properties...: 6-ft. W mantel X 1.5 = 9 feet of … Last Updated: August 24 2020! Staircase exceeds 44 inches ( 111.8 cm ) 1st floor to a dimensions Pro Membership pretty straightforward the rise was. Widths varying from 20 '' to 48 '' wide standard measurements and will determine how high stairs! Floor, how many steps should I have if the individual stair rise is 7 inches for... Stair runners come in many widths varying from 20 '' to 48 ''.. Words, 7 inches, square 10 by multiplying it by itself to 100... Be annoying, but building stairs can seem intimidating to help you the... Walk up a page that has been read 613,783 times from our database a single user ( private... Steps the size I want safely a hard time doing the more complex calculations, use a calculator determine... Required some serious planing I will use it to teach students how it is done the sketch while and! We’Ve created this deck stair calculator to compare the dimensional properties of stair widths range between 49” ( 125 )... Come in many widths varying from 20 '' to 48 '' wide come in many widths varying from 20 to... Is 27 '' for 2x12 or 2 - 2x6 Treads, will need find...
2020 how to measure width of stairs