O-Sizer App

The O-Sizer app is a breakthrough new application utilizing computer vision and machine learning to quickly and accurately determine the dimensions of an o-ring.


  1. Using a Coin as a reference object, take an overhead picture of an o-ring with the coin next to it
  2. Upload your picture
  3. Get the dimensions and size of the ring!


  • Make sure you have good lighting
  • Avoid shadows
  • Hold the camera directly over the o-ring
  • The coin can be off to the side
  • Use a contrasting background

This app is brought to you by Global O-Ring and Seal. We are in the development stages of the app. If you have any feedback for us, please fill out our Feedback Form.