Whether you’re gifting a moissanite ring or choosing one for yourself, our interactive ring size finder makes measuring at home effortless — no guesswork, no hassle.
Convert your finger measurement into an accurate ring size (US, UK, EU)
Visual ring size is for illustration only and not to scale.
Cut a 3–6 mm paper strip or non-stretch thread. Wrap it snug and flat around the base of your finger.
Hold the strip in place and mark the exact spot where the two ends meet.
Measure the strip in mm. That’s your inner circumference. Compare to the size chart; if between sizes, size up.
For a comfortable fit, the measurement should be snug but not too tight. Please measure carefully to ensure the best fit.
Wrap a thin strip of paper snugly around the base of your finger, mark where the ends meet, then lay the strip flat on a ruler and read the millimeter length; this number is your finger circumference, and you can match it to a U.S. size with our interactive ring-size chart.
No — different regions (US, UK, EU) use unique systems. Our converter supports all three sizing standards so you can see exactly how they match.
We recommend choosing the larger size for comfort, especially with wider bands.
Yes—your fingers can swell in heat, after exercise, or from fluid retention. For the most accurate measurement, try to measure at room temperature (ideally mid-day) when your body is neither overheated nor dehydrated.
