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RING SIZES

HOW ARE RING SIZES MEASURED IN SOUTH AFRICA?

Various ring size systems are used all over the world. South Africa and the United Kingdom use the same system, while ring sizes in the US and Canada are measured on a different scale.

SOUTH AFRICA / UK RING SIZE SYSTEM

This system is also used by Australia, Ireland and New Zealand. Ring sizes are indicated by letters of the alphabet with half sizes in between. Each half size up represents an increase of 0.75 mm of the ring's inside circumference.

RING SIZE CHART

We've colour coded the measurements to make it easier for you to see the corresponding sizes. You can also download the chart to use at a later stage if you want. Click the image to download.

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INNER DIAMETER (mm)

12 

12.4 

12.9 

13.3

13.7 

14.1

14.5

14.9 

15.3

15.5

15.9 

16.3

16.7

17.1

17.5

17.9

18.3

18.7

19.2

19.6

20

20.4

20.8

21.2

21.6

21.8

INNER CIRCUMFERENCE (mm)

37.8

39.1

40.4

41.6

42.9

44.2

45.5

46.7

48.0

48.7

49.9

51.2

52.5

53.8

55.0

56.3

57.6

58.9

60.1

61.4

62.7

64

65.2

66.5

67.8

68.4

SA/AUS/UK RING SIZES

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

CANADA/US RING SIZES​

 

0.5

1

1.5

2

2.5

3

3.5

4

4.5

4.75

5.25

5.75

6.25

6.75

7.25

7.75

8.25

8.75

9.25

9.75

10.25

10.75

11.25

11.75

12.25

12.50

HOW TO MEASURE YOUR RING SIZE AT HOME

There are a few ways to measure your ring size at home, but we've listed two options below so you can decide which of these methods will work best for you.

1. MEASURE YOUR RING SIZE USING A STRING

  • Cut a piece of thin wire or non-stretchable string.

  • Wrap the piece of wire or string around the finger where the ring will be worn, making sure it’s not too tight or too loose.

  • Find the exact place where the wire or string completes the circle around your finger then use a marker to draw a line to mark the spot.

  • To find the inner circumference of the ring, measure the “completed circle” piece of the wire or string with a ruler (in mm).

  • Use the engagement ring size guide to convert the inner circumference measurements to your ideal ring size.

2. MEASURE A RING BY TRACING

This method only works when you have another ring of the right size with you, but it's quick and useful to get someone else's ring size without them knowing.

Place the ring on a white piece of paper and trace it with a sharp pencil on the inside of the ring, this measurement will be the inner circumference. Then measure the diameter in millimetres and find the corresponding size on the ring size chart.

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