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Calculate Total Run — Determine Total Run

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How to Measure Alternating Tread Stairs · Step 3 of 10

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To find the total horizontal length (total run) of the staircase, multiply the individual tread depth by the number of treads. For example, if you have 13 treads, each 10 inches deep, the total run would be 13 * 10 inches = 130 inches (10 feet 10 inches). This measurement is crucial for laying out the full length of the staircase on the floor.

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