Online Ring Size Checker

Find your ring size with the easiest to use online ring size checker. No need to print out a chart or wait for a ring sizer to arrive in the mail or even visit a jeweller.

Simply adjust the size of the image below using a credit card as a guide and read your ring size straight from your screen. Works on computer monitors, tablets and even mobile phones (if the screen is   large enough)

Ring Size Converter

USA Diam. mm AUS/UK


Ring Size Checker

Drag the bottom right corner of the image below to resize it until the credit card area fits around a card you hold against your screen.  (Pinch to zoom on a tablet or mobile)

The circles on your screen will then be actual size. The circle that just fits inside your ring will indicate its size (AUS/UK).
If you agree that this is the easiest online ring size checker in the world, then please share it on Facebook.

ring size guide