Ring Size Chart
1. Take a ring that fits the finger you want
2. Measure the internal diameter of that ring in mm
3. Use the chart below to find your size
1. Grab string, floss or a strip of paper and wrap it around your finger where you'd like the ring to be
2. Make sure the string is pulled snug to find your best fit. No need to leave room to remove string or paper comfortably
3. Mark the spot where both ends meet and measure distance with a ruler
4. Use the below chart to find your size
Ring Sizer Tool
Find Your Perfect Ring Size at Home
What You'll Need
1. Mobile Phone
For accurate screen calibration
2. A Ring (or paper strip)
An existing ring that fits, or a strip of paper
3. Credit or Debit Card
Standard size card for calibration
Complete Ring Size Guide
Finding the perfect ring size is essential for comfort and security. Whether you're shopping for an engagement ring, wedding band, or a special gift, our comprehensive guide will help you determine the ideal fit.
Why Ring Size Matters
A properly fitted ring should slide on smoothly over your knuckle and fit snugly at the base of your finger without being too tight. The right size ensures your ring stays secure while remaining comfortable for all-day wear.
Best Time to Measure
Your fingers can change size throughout the day due to temperature, humidity, and activity level. For the most accurate measurement, measure your finger at the end of the day when your fingers are at their largest, and ensure they're at normal body temperature.
Consider Your Knuckles
If you have larger knuckles, you'll need a ring that can slide over them but won't spin on your finger. In this case, we recommend choosing a size that fits over your knuckle comfortably, then consider a ring with sizing beads or a spring insert.
Ring Width Affects Size
Wider bands typically fit more snugly than thin bands. If you're choosing a ring that's 6mm or wider, consider going up half a size from your normal measurement for optimal comfort.
International Ring Size Conversion Chart
Ring sizes vary by country. Use this chart to convert between US, UK, EU, and other international sizing systems.
| US Size | UK Size | EU Size | Inner Diameter (mm) | Inner Circumference (mm) |
|---|---|---|---|---|
| 4 | H | 46.5 | 14.9 | 46.8 |
| 4.5 | I | 47.8 | 15.3 | 48.0 |
| 5 | J | 49 | 15.7 | 49.3 |
| 5.5 | K | 50.3 | 16.1 | 50.6 |
| 6 | L | 51.5 | 16.5 | 51.8 |
| 6.5 | M | 52.8 | 16.9 | 53.1 |
| 7 | N | 54 | 17.3 | 54.4 |
| 7.5 | O | 55.3 | 17.7 | 55.6 |
| 8 | P | 56.6 | 18.1 | 56.9 |
| 8.5 | Q | 57.8 | 18.5 | 58.1 |
| 9 | R | 59 | 18.9 | 59.4 |
| 9.5 | S | 60.3 | 19.4 | 60.9 |
| 10 | T | 61.6 | 19.8 | 62.2 |
| 10.5 | U | 62.8 | 20.2 | 63.5 |
| 11 | V | 64 | 20.6 | 64.7 |
| 11.5 | W | 65.3 | 21.0 | 66.0 |
| 12 | X | 66.6 | 21.4 | 67.2 |
Pro Tips for Accurate Ring Sizing
Measure Multiple Times
Don't rely on a single measurement. Measure your finger at different times of day over several days to account for natural size fluctuations. This will give you the most accurate average size.
Use an Existing Ring
If you have a ring that fits the correct finger well, measuring its inner diameter is the most reliable method. Place it on our on-screen ring sizer for an instant size match.
Consider the Finger
Each finger is a different size, even on the same hand. Your dominant hand is typically slightly larger. Always measure the specific finger where the ring will be worn.
Account for Temperature
Cold temperatures cause fingers to shrink, while heat causes them to swell. Avoid measuring right after exercise, when your hands are cold, or during hot weather for the most accurate results.
When in Doubt, Size Up
If you're between sizes, it's generally better to go with the larger size. A slightly loose ring can be adjusted with sizing beads, but a too-tight ring can be uncomfortable and difficult to remove.
Frequently Asked Questions
How accurate is the online ring sizer?
Our digital ring sizer is highly accurate when properly calibrated with a standard credit card. The calibration process ensures your screen displays true-to-life measurements. For best results, follow all instructions carefully and measure in good lighting.
What if my ring size is between two sizes?
If your measurement falls between two sizes, we recommend choosing the larger size for comfort. This is especially important for wider bands (6mm+) which tend to fit more snugly. You can also consider rings with comfort-fit bands, which have a slightly rounded interior for easier sliding.
Can I resize a ring after purchase?
Most rings can be resized within 1-2 sizes up or down by a professional jeweler. However, certain designs with stones all around the band (eternity bands) or specific materials may be difficult or impossible to resize. Check with us before purchasing if you're concerned about sizing.
How do I measure for a surprise engagement ring?
The sneakiest methods include: borrowing a ring they already wear on that finger and measuring it, asking their friends or family if they know, tracing the inside of their ring on paper, or pressing their ring into a bar of soap to capture the size. If all else fails, the average engagement ring size for women is 6-6.5 in the US.
Do ring sizes change over time?
Yes, ring sizes can change due to weight fluctuations, pregnancy, aging, arthritis, and other factors. It's a good idea to re-measure every few years or if you notice your rings fitting differently. Many people find they need a different size as they get older.
What's the difference between standard and comfort fit?
Standard fit rings have a flat interior surface, while comfort fit rings have a slightly domed interior that reduces contact with the finger. Comfort fit bands typically need to be ordered about half a size smaller than standard fit bands because of the extra interior space.
Ready to Find Your Perfect Ring?
Now that you know your size, explore our collection of beautifully crafted rings.
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