Find your ring size by first measuring the circumference of your finger using a tape or a piece of paper. Then compare the length of the tape to a size chart to see your ring size.
Start by measuring the circumference of your finger with a non-stretchable tape or paper. Do not pull the tape too tight.
When the tape fits well, mark the spot where the tape overlaps, for example with a marker. Remember, do not pull the tape too tight.
Straighten the tape and measure its length in millimeters. Compare the millimeters to the 'ring circumference' section of the size chart to find your ring size.
Size chart
From the size chart, you can see the ring's inner circumference in millimeters and the ring's diameter in millimeters. Based on these, you can determine your ring size. If your finger's circumference is 51mm, your ring size would be 16. If you are between sizes, we recommend choosing the larger size.
From the size chart, you can also convert your ring size to EU standard size and US standard size. When selecting a size on the product card of the ring, you can see in what format the size is listed.
Ring circumference (mm)
Ring diameter (mm)
Ring size
EU-size
37.8
12.04
12.0
38
39.1
12.45
12.5
39
40.4
12.85
13.0
40
41.7
13.26
13.0
42
42.9
13.67
13.5
43
44.2
14.07
14.0
44
45.5
14.48
14.5
45
46.8
14.88
15.0
47
48.0
15.29
15.0
48
48.7
15.49
15.5
49
50.0
15.9
16.0
50
51.2
16.31
16.0
51
52.5
16.71
16.5
52
53.8
17.12
17.0
54
55.1
17.53
17.5
55
56.3
17.93
18.0
56
57.6
18.34
18.0
58
58.9
18.75
18.5
59
60.2
19.15
19.0
60
61.4
19.56
19.5
61
62.7
19.96
20.0
63
64.0
20.37
20.0
64
65.3
20.78
20.5
65
66.6
21.18
21.0
67
67.8
21.59
21.5
68
68.5
21.79
22.0
69
These tips will help you succeed
How do I ensure that the ring is the right size?
By using an appropriate ring sizer, you can get a significantly more accurate measurement and be sure that the ring you order is the right size. If you measure your size at home with a tape, for example, the result may be very approximate and not necessarily correct.
It’s good to remember that the time of measurement also affects the size of your fingers.
Measure your finger at the end of the day, when your fingers are at their largest.
It's best not to measure your fingers in cold weather, as their circumference may have shrunk somewhat.
Alcohol and salt can also cause your fingers to swell, so take this into account when measuring.
If you are measuring at home, it's advisable to use a tape of the same width as the ring you are considering.
What is the most common ring size for men?
The most popular ring size for men is between 18-21. However, it's important to note that this shouldn't solely dictate your purchasing decision. It's crucial that the ring fits perfectly on the finger, so it's better to measure your own and your partner's finger to ensure you get the right sizes.
What is the most common ring size for women?
The most popular ring size for men is between 15-18. However, it's important to note that this shouldn't solely dictate your purchasing decision. It's crucial that the ring fits perfectly on the finger, so it's better to measure your own and your partner's finger to ensure you get the right sizes.
Are men's and women's sizes the same?
Yes. Sizes may be indicated differently, but men's and women's sizes are always the same.
How do you know your partner's ring size?
You can find out your partner's ring size in a few different ways. Here are a few options:
Ask your partner's friend. Often, a friend knows your partner's ring size and possibly even the style of ring your partner prefers.
If your partner wears rings, you can measure the size of an existing ring. Measure the inner diameter of the ring and compare the measurement to our size chart. Remember that the ring must be one worn on the ring finger.
Measure your partner's finger. This can be done casually or, for example, while your partner is sleeping. Then just compare the measurement to our size chart.
The Thomas Sabo ring TR2320-413-39-54 is a beautifully designed gold plated ring with a small symbol of infinity. The ring is made of high quality sterling silver. The size 54 ring measures 17.20 mm. Thomas Sabo jewellery is delivered in the original manufacturer's box.
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