Contact us. Building code states that the minimum width of a landing should not be less than the width of the flight of stairs that is served. Once you determine the Total Rise, Total Run, and Tread Thickness, the most important variable is the Number of Steps. 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Copyright © 2009-2020 | Privacy Policy, Total Rise, Total Run, and Tread Thickness, 2018 International Residential Code for One- and Two-Family Dwellings - Section 311 - MEANS OF EGRESS. If the Stinger Mount Type is Flush, then the number of risers is the same as the number of steps. Measured from the Nose of 1 tread to the Nose of the next tread. The Stringer Mount Type refers to how the stringer will be attached to the upper landing or deck frame. The Stair Calculator is an online tool for calculating various parameters involved in the construction of stairs. The automatic calculator will design your stair stringer as close to the target height as possible, while maintaining a common step height. manual  Leave Stair Calculator and return to For more information, click the Help buttons located on each calculator. You can also alter the Tread Thickness [C] and Tread Depth [B] as needed. Contact us. Decking questions? Using a few (modifiable) default settings, the automatic calculator will compute all of the other factors, including the Total Run [G]. **"Where the stairway has a straight run, the depth in the direction of travel shall be not less than 36 inches (914 mm)." They are cut from 2x12s or larger material - the uncut portion of the stringer should not be less than 5 inches (127 mm) (see diagrams below). Post Cap questions? The Target The DEWALT Mobile Pro App is customizable to create your perfect mobile tool. Vertical measurement from ground to landing. You must have JavaScript enabled in your browser to utilize the functionality of this website. A fraction to decimal conversion table for common fractions used in measurements is also provided at the bottom of the page. Stair Width: Stair width is measured from edge to edge of each side of the tread, perpendicular to tread length. Typically, there are three in a staircase: one on each side, and one in the middle. Contact us. Total Rise [A] - The total rise of a set of stairs is the vertical distance between the bottom of the first step and the top of the finished landing. Follow the steps below to design your stair stringer: The results will appear in the Results section of the calculator and on the Stair Diagram below. Your preferred ending riser height in inches. Lighting questions? Product was successfully added to your shopping cart. For convenience and flexibility, this stair stringer calculator comes in two forms, the automatic and manual .Click on the [?] I hope you will find it better than my old Mobile Stair Calculator. The thickness of the decking product you are using in inches. Nosing: The nosing is the protrusion at the edge of a tread that hangs over the riser below. Stringers are not always visible, but can be seen on stairs with open sides. 877-432-2311 (Toll Free) The Deck Store Online's Handy Stair Calculator is the easy way to figure out how many steps & how much material you will need. It can also be useful for cutting the angle on the top of the stair rail pickets. Apple Valley, MN 55124 Stringer Length - the stringer length calculation is the minimum length of 2x12 material that is required to layout and cut the stringer. The actual measurement of the Tread thickness. The number of risers, not the number of treads, is used to determine the number of steps that comprise a staircase. Total Run [G] - The Total Run is the horizontal length of a stair stringer. Rise/Riser: The rise, or height of a step is measured from the top of one tread to the top of the next tread. $44.99, Special Price more information on cutting stringers and general stair building. It is not the physical height of the riser because this excludes the thickness of the tread. Guards can include rails (guardrails), but can be any number of other constructions such as walls, half-walls, or even a bench. questions you might have about hardware. We provide more than an easy way to buy railing at a great price online, we also offer help by phone or email to answer any The Total Rise should be not larger than 151 inches (3835 mm) between landings or floor levels. In a set of stairs 36 inches wide, there are typically three stringers (one on each end and one in the middle). Stringer: A stair stringer is a structural member that supports the treads and risers of a staircase. myCarpentry Home. Risers - the Step Height [F] is the typical height of each step. Headroom - the headroom should not be less than 6' 8" (2032 mm), measured vertically from the stair tread nosing to the nearest ceiling object. Headroom: Headroom is the height measured from the top of a tread to the ceiling above it. Step Height [F], is the height that you would like your steps to be. Building codes or requirements can differ at a local level, and a person building a staircase should refer to the codes specific to their locations. While measurements of length are conventionally longer than those of width when considering rectangles, in the case of steps, the width is usually the longer side. Building codes generally require guards for stairs that have a total rise of more than 30 inches above the floor, and require that these guards be at least 34 inches (86.36 cm) in height measured from the top of the treads. here to access the old Mobile Stair Calculator. We provide more than an easy way to buy post caps at a great price online, we also offer help by phone or email to answer any Are we missing something important? Stair Calculator. Stringer Position [H] - The stringer position refers to how far below the finished height of the upper landing the stringer will be attached. These range from the length, width, and height of specific parts of the stairs, to where doors are placed in relation to stairs; the arc of a door must be completely on the landing or floor and not be allowed to swing over steps. Each time you change the Number of Steps value and recalculate, make note of the Step Height and Tread Depth. Handrails & Guards/Guardrails: A handrail is a railing that runs up a stair incline for users to hold when ascending or descending a staircase. JavaScript seems to be disabled in your browser. Stair/Rail Angle - the angle is most useful for determining the bevel cut on a stair rail post. Sun: Closed Contact us. Click on the [?] The main purpose of a nosing is to improve safety by providing extra space on which a person can place their feet. Sat: Closed We are constantly adding to our deck and outdoor product lines and welcome your feedback on new products we should carry! Regular Price: and Flush options to compare the differences. In a given run of stairs, the greatest tread depth should not exceed the smallest by more than 3/8 inch (9.5 mm). Height of First Step [E] - The the actual finished height of the first step is the same as the Typical Step Height [F], but when you cut the stair stringer, the First Step Height [E] is always the Step Height [F] minus the Tread Thickness [C]. Not all steps have a nosing, but when present, the nosing is included in the length of the tread. If you try to ** Note: Building Code information was obtained from the 2018 International Residential Code for One- and Two-Family Dwellings - Section 311 - MEANS OF EGRESS. icons to determine the best calculator to use for your stairs. All Rights Reserved. Use the Automatic Calculator if the only crucial factor in your stair design is the Total Rise [A]. Similarly, handrails must be between 34 and 38 (96.52) inches high measured from the top of the treads, with a diameter between 1.25 inches (3.18 cm) and 2.675 inches (6.79 cm). Refer to the figure adjacent to the calculator as a reference. The Total Rise [A] is the finished height of your landing or deck. The stringer length is the tip-to-tip length of the cut stringer. The total design height of your project measured in inches. A fraction to decimal conversion table for common fractions used in measurements is also provided at the bottom of the page. The stringers can either be cut to the shape of each step, or in some cases are uncut and conceal the edges of the treads. automatic  access it from laptop or notebook, it will redirect you back to this page. Contact us. Number of Steps (Risers) - The number of risers is not necessarily the same as the number of Steps on Stringer [D]. Baluster questions? Also, when nosing is present, total run is not simply the sum of tread length, since the overhang caused by the nosing must be subtracted from the total run. Watch our video on how to cut stair stringers. More contact options, Retail Store Location: Click here for In a given run of stairs, the greatest step height and the smallest step height should not vary more than 3/8 inch (9.5 mm). Stair width does not include handrails. Railing questions? Both nosing and riser are discussed below. A guard is "a building component or a system of building components located near the open sides of elevated walking surfaces that minimizes the possibility of a fall from the walking surface to the lower level." Stairs come in many different forms, and while building a basic staircase may appear to be a simple task, there are actually a number of parameters, calculations, and building codes that must be considered. The Stair Calculator is an online tool for calculating various parameters involved in the construction of stairs. Use the Manual Calculator if you know the Total Rise [A] and Total Run [G], and just need to determine the Number of Steps and Risers that will be required for your stairs. The Mobile Stair Calculator is available as always on, but I urge you to try this very webpage on your mobile or tablet device. icons to determine the best calculator to use for your stairs. Click questions you might have about lighting. Open risers with openings more then 30 inches (762 mm) vertical to the floor should not permit the passage of a 4-inch-diameter (102 mm) sphere. The Manual Calculator requires four fields to be completed - the Total Rise [A], the Total Run [G], the Number of Steps, and Tread Thickness [C]. Note, that it is designed to work only on a mobile device. Since the Tread Depth [B] is a constant, when using the Automatic Stair Calculator, the Total Run [G] will vary when you toggle between the two mount options. Maximum Riser height 7-3/4" from the top of one Tread to the top of the next Tread.

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