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1. Print out this page and make sure that the “Fit to Page” or “Scale to Fit” options are not selected.
2. Cut out the Sizertool along the red line and create an opening along the dashed line.
3. With numbers showing outside, insert the smaller end of the Sizertool through the opening you have previously created and place it around your ringfinger.
4. Pull the small end through the opening until it fits comfortably.
5. To determine your approximate ring size, you may read the corresponding circumference size in mm from the number scale as it lines up with the edges of the opening. Don't tighten to much or your ring will be to small, an easy fit will be sufficient.
6 The size will correspond to the circumference in mm. Good luck
Click here to print your ringsizer tools

US 
Diameter mm
Circumference mm
5,5
16,11
50,60
5,75
16,31
51,25
6
16,52
51,90
6,25
16,73
52,55
6,5
16,94
53,20
6,75
17,14
53,85
7
17,35
54,51
7,25
17,56
55,16
7,5
17,77
55,81
7,75
17,97
56,46
8
18,18
57,11
8,25
18,39
57,77
8,5
18,60
58,42
8,75
18,80
59,07
9
19,01
59,72
9,25
19,22
60,37
9,5
19,43
61,03
9,75
19,63
61,68
10
19,84
62,33
10,25
20,05
62,98
10,5
20,26
63,63
10,75
20,46
64,28
11
20,67
64,94
11,25
20,88
65,59
11,5
21,09
66,24
11,75
21,29
66,89
12
21,50
67,54
12,25
21,71
68,20
12,5
21,92
68,85