• Measure your finger in warm temperatures at the end of the day.
• If your knuckle is a lot larger than the base of your finger, use Method B below, except measure both the base of your finger and your knuckle and select a size in between the two.
If you're buying the ring as a surprise:
• Ask your intended recipient's mother or friend if they know his/her finger size.
• Borrow one of your intended recipient's rings and use Method A below. (Make sure to borrow a ring that fits the finger you intend your gift ring to fit.)
• If your knuckle is a lot larger than the base of your finger, use Method B below, except measure both the base of your finger and your knuckle and select a size in between the two.
If you're buying the ring as a surprise:
• Ask your intended recipient's mother or friend if they know his/her finger size.
• Borrow one of your intended recipient's rings and use Method A below. (Make sure to borrow a ring that fits the finger you intend your gift ring to fit.)

