Sterling Silver Ring Sizing Guide: How to Find Your Perfect Fit

Why Ring Size Matters

A ring that fits perfectly is a joy to wear secure enough not to slip off, comfortable enough to forget it’s there. Too tight and it’s uncomfortable; too loose and you risk losing it. Getting your size right before purchasing, especially online, saves time and ensures you love your piece from the moment it arrives.

Understanding Ring Sizes

Ring sizes vary by country and measurement system. Here’s a quick overview of the most common systems:

System Used In Format
US / Canada USA, Canada, Mexico Numbers (e.g., 6, 7, 8)
UK / Australia UK, Australia, South Africa Letters (e.g., L, M, N)
EU / International Europe, Asia Circumference in mm (e.g., 52, 54, 56)

At KDIMZ, our ring sizes are listed clearly on each product page. If you’re unsure which system applies to you, use the conversion guide below.

Ring Size Conversion Chart

US Size UK Size EU Size (mm) Diameter (mm)
5 49 15.7
6 52 16.5
7 55 17.3
8 57 18.2
9 60 19.0
10 62 19.8

How to Measure Your Ring Size at Home

You don’t need to visit a jeweler to find your size. Here are three reliable methods:

Method 1: Use a Ring You Already Own

Take a ring that fits the intended finger well. Place it on a ruler and measure the internal diameter (the distance across the inside of the ring) in millimeters. Use the conversion chart above to find your size.

Method 2: String or Paper Strip Method

  1. Cut a thin strip of paper or use a piece of string
  2. Wrap it snugly around the base of the finger you want to measure
  3. Mark where the paper or string overlaps
  4. Measure the length in millimeters this is your finger’s circumference
  5. Use the EU size column in the chart above to find your size

Method 3: Printable Ring Sizer

Many jewelers offer a printable ring sizer online. Print it at 100% scale (no scaling), cut it out, and follow the instructions to find your size. This is one of the most accurate at-home methods.

Tips for an Accurate Measurement

  • Measure at the end of the day - fingers are slightly larger in the evening due to natural swelling
  • Avoid measuring when cold - fingers shrink in cold temperatures, which can give a falsely small reading
  • Measure the correct finger - ring sizes can vary between fingers, even on the same hand
  • If between sizes, go up - it’s easier to resize a slightly large ring than one that’s too tight
  • Consider the band width - wider bands fit more snugly; if choosing a wide band, consider going half a size up

What If My Ring Doesn’t Fit?

Sterling silver rings can be resized by a professional jeweller in most cases. However, rings with intricate designs, full eternity bands, or certain stone settings may be more difficult to resize. If you’re unsure, contact us before purchasing and we’ll help you find the right size.

Still Not Sure? We’re Here to Help

Getting your ring size right is important to us. If you have any questions about sizing before placing your order, reach out to our team we’re happy to guide you to the perfect fit. Browse our sterling silver ring collection and find the piece that’s made for you.

Back to blog