How to find the measure of your ring in a few simple steps.

MODE 1

You will need: ring with your size for the reference ruler;

How to do it:
Take the ring and place it on top of the ruler so that 0 coincides with the inner circumference of the ring and mark the measurement in millimeters (mm) of the inside diameter.
See figure.
MODE 2

You will need: paper, scissors, scotch tape, pen, ruler.;