Size Guide – ELUNO index
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Guide to know the right frame size for you.

Frame dimensions terminology:

Method 1: From an existing frame - Measure using a ruler/scale.

Take a pair of frames that fit you well. Use a ruler to measure the distance between the two hinges to determine the frame width. Then refer to the guide below to find the size that will best fit your face.

Frame width to Frame size guide:

Method 2: From an existing frame, calculate frame width.

You can find your frame’s dimensions printed on the inside of the eyeglass temples (arm pieces). Below is a quick guide to help you understand what these numbers mean.
Enter the value below in our calculator to determine the frame width. Then refer to the guide below to find the size that will best fit your face.

Frame Width Calculator

Method 3: Debit/Credit card method:

Take any debit or credit card. Stand in front of a mirror or open the front camera of your phone. Follow the instructions in the image below.