Knowing the perfect ring size in advance before purchasing a ring can be imperative in many scenarios, especially when you are purchasing the ring for a surprise

proposal. Nobody wants to give the loved one a misfitting ring on a surprise proposal. Below are some expert opinions for choosing the correct ring size .

MEASURE THE EXACT FINGER

When the ring size is taken, make sure that exact finger intended for wearing the ring is scaled because the fingers on the dominant hand can be bigger than the fingers of the non-dominant hand.

MEASURE A WARM FINGER

A cold finger is smaller than a warm finger so make sure that a warm finger is measured.

MEASURE CLOSER TO THE KNUCKLE

Some people have large knuckles compared to the area below the knuckle where the ring is worn. Make sure that the measurement is taken close to the knuckle than far below the knuckle.

A SIZE LARGER FOR WIDE BANDS

For a wide-band rings (larger than 6mm), opt the next sized ring than the actual measured size.

MULTIPLE MEASUREMENTS

Always double check the measurement of the intended finger to avoid inaccuracies.Among the numerous methods to scale the ring size, measuring the inside diameter of an existing ring and comparing it to the ring size chart is one of the most accurate way. Measuring the ring size using a plastic ring sizer is another method to find the

reliable ring size. The most common method in practice for measuring the ring size is by measuring the overlapping end of a paper strip wrapped around the finger.This method of measuring the ring size often proves to be very inaccurate and is not recommendable bottom line.

Circumference
(mm)
Diameter (mm) UK,Europe,
Australia
United States
& Canada
China, Singapore,
Japan
Hong
kong
Switzerland
44.2 14.1 F 3 4 6 4
44.8 14.3 F 1/2 5 5 1/4
45.5 14.5 G 3 1/2 7.5
46.1 14.7 G 1/2 6 6 1/2
48.8 14.9 H 4 7 9
47.4 15.1 H 1/2 7 1/3
48 15.3 I 4 1/2 8 10
48.7 15.5 9
49.3 15.7 J 1/2 5 9 11
50.0 15.9 K 11 3/4
51.9 16.5 L 1/2 6 11 13 12 3/4
52.5 16.7 M 12
53.1 16.9 M 1/2 6 1/2 13 14.5 14
53.8 17.1 N
54.4 17.3 N 1/2 7 14 16 15 1/4
55.1 17.5 O
55.7 17.7 O 1/2 7 1/2 15 17 16 1/2
56.3 17.9 P
57.0 18.1 P 1/2 8 16 17 3/4
57.2 18.2 18
57.6 18.3 Q
58.3 18.5 Q 1/2 8 1/2 17 19
58.9 18.8 R 19
59.5 19.0 R 1/2 9 18 20.5
59.5 19.0 R 1/2 9 18 20.5
60.2 19.2 S 20 1/4
60.8 19.4 S 1/2 9 1/2 19 22
61.4 19.6 T 21 1/2
62.1 19.8 T 1/2 10 20 23
62.7 20.0 U 21
63.4 20.2 U 1/2 10 1/2 22 24 22 3/4
64.0 20.4 V
64.6 20.6 V 1/2 11 13 25
65.3 20.8 W 25
65.9 21.0 W 1/2 11 1/2 24 26
66.6 21.2 X
67.2 21.4 X 1/2 12 25 27.5 27 1/2
67.8 21.6 Y
68.5 21.8 Z 12 1/2 26 28 3/4
69.1 22.0 Z 1/2
69.7 22.2 13 27 30
70.4 22.4 Z*1
71.0 22.6 13 1/2