How to Measure for Stair Railing

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  1. Using the drawing below as a guide, measure the staircase.
  2. When measuring a stair run, do not include the nosing of the tread (the part that sticks out).
  3. If the staircase includes landing(s), each stair flight needs to be measured separately (as shown in the photo on the left).
  4. To calculate the staircase angle without an angle ruler, you can enter the rise and run into a calculator, such as the Rise and Run to Degrees Calculator.
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