Stair Runner Calculator – Straight Staircase ONLY Linear Footage Calculator - Straight Staircase ONLY Runner material is sold by the linear foot, in full foot increments.This calculator asks only for your tread count - riser count and your result/calculated footage will auto-fill. Number of Stair Treads*Tread = the horizontal component, count the steps, the part you walk on within the staircase. (NOT the 1st or 2nd floor surfaces)RESULT - RUNNER FOOTAGE REQUIRED This result represents the linear footage needed. Select this length from the drop down list on the runner product page. Runners are sold by the linear foot, this result is calculated/rounded up to a full foot. Footage calculation uses 19 inches per tread + riser total, a safe number for most straight stairs. SEE MORE INFO BELOWRESULT - RUNNER FOOTAGE REQUIRED This result represents the linear footage needed. Select this length from the drop down list on the runner product page. Runners are sold by the linear foot, this result is calculated/rounded up to a full foot. Footage calculation uses 19 inches per tread + riser total, a safe number for most straight stairs. SEE MORE INFO BELOWNumber of RisersRiser = The vertical component between each step/tread. You’ll have 1 more riser than tread in a run of steps - this field will auto-fill adding 1 to tread count.More Information:Please be sure to read the information on this page for an accurate calculation, and before placing your order. Please contact us with any questions. We will not be responsible for incorrect measurements.Tread and Riser CountNumber of treads and risers: You'll have one more riser than tread in a run of steps - the riser count above will fill automatically based on the tread count entered. For a split staircase, calculate/enter each tread count separately. Add the resulting footage together for the total footage you should order. Tread + Riser DimensionA typical dimension of a tread + riser is most often a total of 18 to 19 inches. This form uses 19 inches when calculating footage. If your stairs vary significantly from this dimension, you may need to adjust the footage required. Would you like to submit a question?* Yes No Questions:*Please use this area to ask a question about your runner project or our products and services. Thank you.Name and Email are required in order to submit a question.Name* First Last PhoneEmail* Enter Email Confirm Email HiddenSection BreakCommentsThis field is for validation purposes and should be left unchanged.