Guides
Ring Sizing Guides
Read a practical guide first, or go straight to the sizing tool that matches what you have.
How to Measure Ring Size at Home
Four practical ways to estimate a ring size before you buy.
Read this guideMeasure Ring Size With an Existing Ring
Use the inside diameter of a ring that already fits.
Read this guideHow to Measure Ring Size Without a Ring
Measure finger circumference with a paper strip and compare the result.
Read this guideHow Should a Ring Fit?
Check whether a ring feels secure, comfortable, too tight or too loose.
Read this guideHow to Find Someone’s Ring Size Without Asking
Practical, privacy-respecting ways to estimate a size for a surprise gift.
Read this guideWhich guide should I use?
Use the tools directly
Already have a measurement or know which method you want? Start with the matching tool.