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Stair Calculator

Calculate ideal stair dimensions, number of steps, and stringer length.

Number of Steps
0
Rise per Step
0 in
Stringer Length
0 in

Stair Calculator Guide

Stair Building Guidelines

This calculator helps determine the ideal number of steps, rise, and run for your stairs based on total height.

Standard Stair Dimensions

  • Ideal Rise per step: 7" - 7.75"
  • Ideal Tread depth: 10" - 11"
  • Maximum rise: 7.75"
  • Minimum tread: 10"