How to Measure a Man's Finger for Ring Size
Get Sized at a Jeweler
To ensure the most accurate ring size, we recommend you visit your local jeweler for a professional sizing.
If You are Buying the Ring as a Surprise
-
Borrow one of your partner's rings and slide it down a tapered candle. Measure the circumference of the candle where the ring stops. Use one of the charts below to determine the correct ring size.
-
Ask your partner's mother or a close friend if they know the ring size.
Tips for Measuring a Man's Ring Size
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Don't measure cold fingers, as this is when fingers are the smallest.
-
The best time to measure a finger is at the end of the day when the finger is the largest.
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Take at least two measurements for accuracy.
Size Yourself
Use either a thin strip of paper, or a piece of string. Wrap it around the base of the finger you want to measure. With a pen, mark the point on the paper or string where it overlaps, forming a circle on the finger. Measure the length of the paper or string from the starting point to the pen mark. Measure the length by using a flat ruler that measures either inches or milimeters. Milimeters are more accurate. Determine the ring size by using one of the ring size charts below.
Ring Size Conversion Charts
International
Inside
Circumference
|
|
British Irish |
|
|
|
|
Inches |
MM |
Ulyta |
Australian |
Swiss |
French |
German |
|
1.840 |
46.8 |
4 |
H |
6 1/2 |
46 1/2 |
15 |
|
1.890 |
48.0 |
4 1/2 |
I 1/2 |
7 3/4 |
47 3/4 |
15 1/2 |
|
1.940 |
49.3 |
5 |
J 1/2 |
9 |
49 |
15 3/4 |
|
1.990 |
50.6 |
5 1/2 |
K 1/2 |
10 1/4 |
50 1/4 |
16 1/4 |
|
2.041 |
51.8 |
6 |
L 1/2 |
12 3/4 |
51 1/2 |
16 1/2 |
|
2.091 |
53.1 |
6 1/2 |
M 1/2 |
14 |
52 3/4 |
17 |
|
2.141 |
54.4 |
7 |
N 1/2 |
15 1/4 |
54 |
17 1/4 |
|
2.192 |
55.7 |
7 1/2 |
O 1/2 |
16 1/2 |
55 1/4 |
17 1/2 |
|
2.242 |
56.9 |
8 |
P 1/2 |
17 3/4 |
56 1/2 |
18 |
|
2.292 |
58.2 |
8 1/2 |
Q 1/2 |
18 3/4 |
57 3/4 |
18 1/2 |
|
2.342 |
59.5 |
9 |
R 1/2 |
20 |
59 |
19 |
|
2.393 |
60.8 |
9 1/2 |
S 1/2 |
20 3/4 |
60 1/4 |
19 1/2 |
|
2.443 |
62.1 |
10 |
T 1/2 |
21 3/4 |
61 1/2 |
20 |
|
2.493 |
63.3 |
10 1/2 |
U 1/2 |
22 3/4 |
62 3/4 |
20 1/2 |
|
2.543 |
64.6 |
11 |
V 1/2 |
24 3/4 |
64 |
20 3/4 |
|
2.594 |
65.9 |
11 1/2 |
W 1/2 |
25 1/2 |
65 1/4 |
21 |
|
2.644 |
67.2 |
12 |
X 1/2 |
27 1/2 |
66 1/2 |
21 1/4 |
|
2.694 |
68.4 |
12 1/2 |
Z |
28 3/4 |
67 3/4 |
21 3/4 |
|
2.744 |
69.7 |
13 |
Z 1 |
29 3/4 |
69 |
22 |
|
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