Staircase Calculator
Calculate stair dimensions including number of steps, riser height, tread depth, stringer length, and angle. Checks building code compliance.
1.6Kuses
7.7/10(182)
Number of Steps
14
Riser Height
7.71"
Tread Depth
10.00"
Stringer Length
169.0"
Total Run
130.0" (10.8 ft)
Angle
39.7°
Risers / Treads
14 / 13
Rise + Run
17.7"
Building Code Check (IRC)
Riser height (4"-7.75")PASS (7.71")
Tread depth (min 10")PASS (10.00")
Comfort (Rise+Run = 17-18")IDEAL (17.7")
Stair Building Code
IRC code: max riser height 7.75", min tread depth 10", min width 36". Rise + Run should equal 17-18" for comfort. Minimum headroom 80".
Recommended Products
Ad📏Tape MeasuresShop →🔧Level ToolsShop →🧰Tool SetsShop →🔩Drill SetsShop →📡Stud FindersShop →💻Laptop StandsShop →🖱️Wireless MouseShop →🔌USB-C HubShop →👓Blue Light GlassesShop →🖥️Desk PadShop →
Affiliate Disclosure: As an Amazon Associate, ToolBird earns from qualifying purchases. Links above are affiliate links — if you buy through them, we may earn a small commission at no extra cost to you.
Disclaimer: This tool is provided as-is for informational and educational purposes only.