Sizing
Find your perfect fit
Oura Ring 5
Oura Ring 5 is our slimmest, lightest ring yet — available in sizes 6–13. Its redesigned interior fits differently than Oura Ring 4, so use the guide below to find your size.
Oura Ring 4
Oura Ring 4 sizing runs from size 4 to 15. Follow the guide below to confirm your fit.
Confirm Your Size
Once you've found your perfect fit, confirm your size below.
Confirm Your Size