stair stringer

Posts tagged #stair stringer

1 article tagged with “stair stringer”.

Carpenter's framing square laid on a wooden stair stringer with marked step cut lines

How to Calculate Stair Stringer Length: Formula and Worked Examples

Stair stringer length comes from one formula: the square root of total rise squared plus total run squared. This guide walks through the math with two worked examples and the mistakes that cost builders new lumber.

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Calculations are for reference only. Always verify with local building codes.