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Three Ways to Figure out your Ring Size

Updated: Aug 15, 2023

Are you stumped trying to figure out how to order the perfect size ring? I am here to help. There are three ways that are pretty simple. Two of these require a couple of household items. Let’s explore.

Tools used to determine your ring size on a bench

The first way is by measuring the inside diameter of one of your rings that fits well. The diameter is the distance through the middle of the circle as shown in the photo.

How to determine your ring's inside diameter, ring on top of ruler with centimeters shown

Once you have your inside diameter in millimeters (mm), find your size on this chart:

Diameter

(mm)

US/CA

UK/AUS

EUROPE

JAPAN

CHINA

15.7

5

J 1/2

49

9

10

16.5

6

L 1/2

52

11

12

17.3

7

N 1/2

54

14

15

18.1

8

P 1/2

57

16

17

19.0

9

R 1/2

60

18

19

19.8

10

T 1/2

62

20

22

20.6

11

V 1/2

65

23

24

21.4

12

X 1/2

67

25

26

The second method involves three things: a ruler, a piece of string (or strip of paper), and a sharpie.

Tools on a bench: ring mandrel, ball of twine, sharpie marker, steel bench block

First, cut the piece of string to about 3-4 inches. Next, wrap the string around the finger you wish to measure and mark where it overlaps with the sharpie.


Hand showing how the twine overlaps and is marked in the center

Ruler in centimeters, measuring a piece of twine

Then, take the string to your ruler and measure from mark to mark like in the photo above. This is the circumference of your finger in millimeters, take this number to the chart below to determine your ring size.

Circumference

mm

US/CA

UK/AUS

EUROPE

JAPAN

CHINA

49.3

5

J 1/2

49

9

10

51.8

6

L 1/2

52

11

12

54.4

7

N 1/2

54

14

15

56.9

8

P 1/2

57

16

17

59.5

9

R 1/2

60

18

19

62.1

10

T 1/2

62

20

22

64.6

11

V 1/2

65

23

24

67.2

12

X 1/2

67

25

26

The final method takes a few days, but is perfect for those folks to don’t want to faff around with the above methods. Order a magic ring sizer from my online store and I will pop one in the post along with instructions.

Plastic ring sizer for whole and half sizes

Now that you have your ring size sorted, have a browse in the ring shop.


Have any questions? I am happy to help, send me an email.


In Love, Light, and Alchemy,

Kristen

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Elegant Sustainable Jewelry. Crafted by Hand. Suffused with spirit.

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