
The Importance
of Correct Ring Sizing
Selecting the right ring size significantly improves both comfort and appearance, particularly for rings meant for daily wear, such as wedding bands and engagement rings. A correctly sized ring prevents discomfort from tightness and avoids accidental loss due to looseness.
Measuring Your Finger: Simple Methods
Determining your ring size can be done easily at home or by visiting our location. Here are reliable approaches:
1. Ring Sizer Tool:
- Obtain a ring sizer tool from jewelry stores or online.
- Slide the tool onto your finger until it fits comfortably, moving easily over your knuckle.
- Read the marked size for your measurement.
2. String or Paper Method
- Wrap a thin paper strip or string snugly around your finger’s base.
- Mark where the ends overlap, then measure this length in millimeters or centimeters using a ruler.
- Match this measurement to this ring sizing chart to find your size.
3. Helpful Tips When You Don’t Know Your Partner’s Ring Size
- Secretly borrow a correctly fitting ring from the intended wearer’s jewelry collection for a rough estimate and use the tips above or stop by a local jeweler.
- Jewelers commonly offer resizing services, so slight inaccuracies can typically be corrected.
Ring Size | Diameter (Millimeters) | Diameter (Centimeters) |
---|---|---|
3 | 14.0 MM | 1.40 CM |
3.5 | 14.4 MM | 1.44 CM |
4 | 14.8 MM | 1.48 CM |
4.5 | 15.2 MM | 1.52 CM |
5 | 15.6 MM | 1.56 CM |
5.5 | 16.0 MM | 1.60 CM |
6 | 16.45 MM | 1.645 CM |
6.5 | 16.9 MM | 1.69 CM |
7 | 17.3 MM | 1.73 CM |
7.5 | 17.7 MM | 1.77 CM |
8 | 18.2 MM | 1.82 CM |
8.5 | 18.6 MM | 1.86 CM |
9 | 19.0 MM | 1.90 CM |
9.5 | 19.4 MM | 1.94 CM |
10 | 19.8 MM | 1.98 CM |
10.5 | 20.2 MM | 2.02 CM |
11 | 20.6 MM | 2.06 CM |
11.5 | 21.0 MM | 2.10 CM |
12 | 21.4 MM | 2.14 CM |
12.5 | 21.8 MM | 2.18 CM |
13 | 22.2 MM | 2.22 CM |
13.5 | 22.6 MM | 2.26 CM |


Ring Size Measurement Systems Explained
Ring sizes vary worldwide:
- U.S. and Canada: Numeric sizes, including half-sizes (e.g., 6, 6.5).
- UK and Australia: Letter-based sizes, also with half-sizes (e.g., K, K½).
- Europe:Millimeter-based circumference (e.g., 54, 56).
- Japan: Numeric sizes differing from U.S. standards (e.g., 9, 11).
Always confirm which sizing system your jeweler uses.
Considerations for Accurate Sizing
Finger size can fluctuate throughout the day or with temperature changes.
To ensure accuracy:
- Measure your finger in the evening when it’s at its largest.
- Avoid measuring in cold conditions, as fingers shrink.
- Accommodate larger knuckles by selecting a slightly larger size if necessary.
- Wider bands often fit tighter; consider going up half or a full size.
Professional Sizing Assistance
When unsure, professional jewelers often provide precise sizing free of charge.
Visiting La Vita Vital ensures accuracy and peace of mind for your purchase.