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7 MBSize
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Calculate stair rise, run, tread count, stringer count, and incline slope.

Latest Version

Update
Sep 30, 2026
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StairCalc: Stairway Estimator APP

StairCalc is an accurate and intuitive construction calculator designed for builders, contractors, and DIY project planners.

Key Features:
• Calculate optimal step rise, total run, number of treads, and risers for total elevation.
• Compute stringer count and stair incline angle.
• Save and manage multiple project estimates with custom notes.

Fast, reliable calculations designed for quick estimates on the jobsite.
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