Stair Rise Calculator
Estimate riser count and individual rise height for any staircase.
Estimate riser count and individual rise height for any staircase.
7 to 7.75 inches is typical for residential stairs. Code varies by jurisdiction.
9 to 11 inches is standard. The sum of one riser + one tread should be 17–18 inches.
Results are estimates for planning purposes. Verify with product labels and local requirements before purchasing materials.