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Calculate stair dimensions including risers, treads, total run, and stringer length. Includes IRC building code compliance checks.
Automatically validates riser height against the IRC building code range of 7 to 7.75 inches and warns you if adjustments are needed.
Calculates exact stringer length using the Pythagorean theorem so you can cut your stringer boards accurately without waste.
Automatically divides the total rise into equal risers for a comfortable, safe staircase with consistent step heights.
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Construction & Home