Ring sizing tool
Find Your Ring Size
Start with Method 1 (place your ring on the screen). There are two steps to complete this method.
Use Methods 2 and 3 as alternative options with a ruler or piece of string or paper.
Which size system do you want?
Method 1 - Step 1: Calibrate your screen
To place a ring directly on the screen, first match the on-screen circle to a real coin. This tells the tool how big things really are on this device.
Press "Save Calibration" once the circle matches your coin.
Smaller
Bigger
120 px
Move the slider or use the + / - buttons until it matches your coin.
Method 1 - Step 2: Place ring on screen
After calibration, place your ring on the screen and adjust the circle so the inner edge matches the inside of your ring.
Smaller
Bigger
120 px
Method 2 – Existing ring with ruler
Measure the inside diameter of a ring (mm) and enter it below.
Method 3 – Using paper strip
Wrap a strip of paper around your finger, mark it, measure the length (mm) and enter it below.