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Ring Sizer Explained

At Thaigem.com, we use the U.S. system for ring sizing. Below is a ring size comparison chart for the different systems.
 

U.S. System

Millimeters

British System

4 47 H
4.5 48 I
5 49 J
5.5 50 K
6 52 L
6.5 53 M
7 54 N
7.5 55 O
8 57 P
 

U.S. System

Millimeters

British System

8.5 58 Q
9 60 R
9.5 61 S
10 62 T
10.5 63 U
11 65 V
11.5 66 W
12 67 X
12.5 68 Y
 
Don’t know your ring size? Follow these easy steps to create your own Ring Sizer:
1. Print out this page. Please ensure that the “Fit to Page” or “Scale to Fit” options are not selected.
2. Cut out your Ring Sizer and make a slot by cutting along the dashed line.
3. With the numbers to the outside, insert the black end through the slot.
4. Place the Ring Sizer over your finger and pull the tab through the slot until it fits comfortably.
5. Read the corresponding size from the scale as it lines up with the edges of the slot.

 
Please Note: The Ring Sizer is based on the U.S. system for ring sizing and provides an approximate ring size only.
 

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