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mainland china ring size reference table
number perimeter (mm) diameter (mm) number perimeter (mm) diameter (mm)
#4 44 14 #16 56 17.8
#5 45 14.3 #17 57 18.2
#6 46 14.6 #18 58 18.5
#7 47 15 #19 59 18.8
#8 48 15.3 #20 60 19.1
#9 49 15.6 #21 61 19.4
#10 50 15.9 #22 62 19.7
#11 51 16.2 #23 63 20.1
#12 52 16.6 #24 64 20.4
#13 53 16.9 #25 65 20.4
#14 54 17.2 #26 66 20.7
#15 55 17.5
china hong kong version ring size reference table
number perimeter (mm) diameter (mm) number perimeter (mm) diameter (mm)
#7 14.3 46 #15 17.3 57
#7.5 14.5 47 #16 17.5 58
#8 14.8 48 #17 17.8 59
#8.5 15 49 #18 18.2 60
#9 15.2 50 #19 18.6 61
#10 15.4 51 #20 19 62
#11 15.5 52 #21 19.2 63
#11.5 15.8 53 #22 19.8 64
#12 16.2 54 #23 20 65
#13 16.5 55 #24 20.4 66
#14 16.8 56 #25 20.8 67
international ring size reference table
length nation
perimeter diameter china japan usa u.k. switzerland germany france
49.3 15.7 9 9 5 J1/2 9 15.75 49
51.8 16.5 12 12 6 L1/2 11.5 16.5 51.5
54.4 17.3 14 14 7 0 14 17.25 54
56.5 18.1 16 16 8 Q 16.5 18 56.5
59.5 18.9 18 18 9 S 19 19 59
62.1 19.8 20 20 10 T1/2 21.5 20 61.5
64.6 20 23 23 11 V1/2 24 20.75 64
67.2 21.4 25 25 12 Y 27.5 21.25 66.5

Ring Size reference table Introduction

About finger size test method:

1. Method of measuring finger circumference:

(1), prepare a piece of paper or non-elastic string, neutral pen and ruler.

(2), wrap a string or paper around the base of the finger to wear the ring, and mark with a neutral pen where the string or paper crosses.

(3), spread the string or strip, and measure the distance between the head and the mark point with a ruler, that is, the circumference of the finger.

(4), in the above table in the circumference column, find the most suitable for your ring size.

2. Method of measuring finger diameter

(1) Prepare a ruler.

(2), use a ruler to directly measure the finger width at the root of the finger to wear the ring.

(3), in the diameter column of the table above, find the corresponding ring size.

3. The data listed in this tool is for reference only, and the actual situation is subject to trial.

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