Can you measure your own ring size?

Ring Size Calculation Wrap your finger in a piece of string, paper, or tape. Mark the point of meeting of the two ends. Measure the string, paper, or tape to get your finger circumference. Divide it by a calculator number such as 3.15 to get your finger diameter.

How can I measure my ring size at home with a ring?

Measuring a Your Existing Ring If you already have a ring that is already a good fit for your finger, all you need to do is take a ruler and measure the ring’s inside diameter. Place the ruler from edge to edge of the ring and measure it right across inside the ring.

How big is a size 7 ring?

Size 6 = 16.45 mm. Size 6.5 = 16.9 mm. Size 7 = 17.3 mm.

How do you secretly size a ring?

Grab a small string of some kind and lightly wrap it around the base of her finger. When you pull it away, mark the length of the string with a piece of tape or marker. Take it the jeweler when you go to pick out the ring and you’ll be pretty close to the perfect size.