Carpenters

Stair Rise & Run Calculator

Calculate riser count, actual riser height, total run, and stringer length with IRC compliance.

Total Rise (floor to floor)

Target Riser Height (inches)

Tread Depth (inches)

Precision disclaimer: IRC limits: riser max 7.75", min 4", tread min 10". Local codes may differ. Results are for reference only. Consult local building codes and a licensed contractor.

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