3. Make sure the finger is at normal body temperature — fingers can shrink or expand when hot or cold.
Your fingers tend to change size throughout the day — the best time to measure your finger is the end of the day.
4. If your knuckle is bigger, take 2 measurements and choose a size in between — ring needs to fit over knuckle but not be too loose or it will shift around.
5. If you are aiming for a surprise, read our tips about How to Measure Ring Size for a Surprise Proposal.
When you don’t know your partner’s ring size, selecting one of the standard ring sizes is your best choice. The average ring size for women is K to N, and the average ring size for men is R to V in the Australian scale.If you already know your ring size, but it is a scale used in a different country to Australia, we will convert it to the Australian system of letter.