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CMM Stair-Rail Calculator

For Android and IOS

CMM’s MotionFORCE software is in use on thousands of automated routing machines across the United States and worldwide. Now, we're pleased to offer one of the features of MotionFORCE completely free!


This Stair Rail Calculator calculates the following information for stair rails:

  • Rise

  • Run

  • Angle

  • Rail length

  • Spacing between pickets

  • Number of pickets

  • Spacing between holes on rail

  • Hole height

Convenient diagrams make it easy to enter your measurements in the app. After doing a calculation, tap the Share button to share your results (via text or email), save them to a note-taking app, or copy them to the clipboard.

CMM Stair Rail App
CMM Stair Rail App
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