Free Stair Calculator — Rise Run Steps Online

Calculate the number of steps, riser height, tread depth, and stringer length for your staircase project with this free stair calculator.

Total Rise (inches)

Tread Depth (inches)

Target Riser Height (inches)

Number of Steps

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Enter stair dimensions

Disclaimer: This calculator is for informational purposes only. Results are estimates and may vary based on actual conditions.

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