Pearls of Wisdom

6 Ways to Find Out Her Ring Size

6 Ways to Find Out Her Ring Size
by Leslie McLane, Content Development Group, Exclusively for Fire Mountain Gems and Beads®

You want to pop the question, but you don't know her ring size and if you just ask then it ruins the surprise. Here are a couple ways to try and figure out her wedding ring size so the proposal will still be a surprise.

Before we get started, here are a couple things to keep in mind:
  • The average women's ring size is 6 to 6-1/2
  • Dominant hands (and therefore fingers) tend to be slightly larger
  • Wide bands fit tighter than thin bands
  • It is harder to resize a ring with a band of diamonds or gemstones
  • When in doubt, size up. It's easier to take away material than add it.
  • Usually if you're within 2 sizes (big or small), a jeweler can correctly resize the ring
For most of these suggestions, you'll want to print out our Ring Size Guide PDF.

#1. Trace it Out
You'll need a ring she already wears for this tactic. Take the ring and place it on your finger, then mark where the band lies. Wrap the ''Paper Ring Sizer'' section of the PDF at the mark to figure out the size. You can also trace the inside of the ring on a piece of paper. Cut out the circle then match it up on the "Match a Ring" portion of the PDF.

The trick though is she probably doesn't wear the borrowed ring on her left ring finger. Pay attention to which finger she wears the ring on and adjust accordingly: +2 sizes from pinky, -1/2 from middle and -1 from pointer (index).

Ring Sizer Guide (PDF)

#2. String Theory
If she is a heavy sleeper, gently wrap a soft piece of string or thin ribbon around her ring finger while she's asleep. Then tape the string closed and use the "Match a Ring" portion again, or measure the string and use the "Reference Chart" portion of the sizing PDF. You could also slide the string onto an actual ring mandrel.

Ring Mandrels

Classic Collection Rings #3. Fun Factoid
If you don't normally offer random tidbits of information, you may want to start coming up with a few so this ring size test won't seem out of the ordinary. Tell your girl you heard that if you take your shoe size and divide it by two then add three it will equal your ring finger size. You also have to do this so it won't be so obvious you're just after her size. Even have other friends participate. When she tries it out, you'll need the paper ring sizer on hand, though you could pretend to have to search for it online first. ;)

#4. Ask a Friend
Are any of her (or your) friends engaged or married? Ask that friend to (in a nonchalant manner) get your girl to try on their ring. Choose someone with similar-sized fingers for this tactic. This can also help you get an idea of styles your girlfriend likes if you ask what she thought about the friend's ring. (Do this in private in case she didn't like it.)

#5. Little White Lie
Okay, that sounds bad, but just tell her you want to buy a ring for your Mom, sister or some other female relative (this is most effective around holidays or birthdays of your female relatives). Flat out ask what some of her finger sizes are (including the left ring finger). If she doesn't know, then use ring sizers or the handy PDF we've mentioned so much. And, you could still buy a ring for your female relative so you won't feel like you lied the whole time.

Ring Sizers

6 Ways to Find Out Her Ring Size #6. The Distraction
Buy an inexpensive ring in a size you estimate to fit her as a little gift. See how that size of ring fits her and on what fingers. Use adjustable rings so she could try it on multiple fingers. This gives you a great starting point and makes it easier to ballpark the big purchase ring. Plus, she probably won't expect a second ring in such a short amount of time.

With all these suggestions, be aware the ring will probably still have to be adjusted slightly after you get the ring on her finger--and that's okay! If all else fails, you can just ask your partner what her ring size is, especially if you've already been seriously talking about marriage. Just because you asked her ring size doesn't mean she knows when and where you'll pop the question, so there is still some element of surprise.

Best of luck and let us be the first to say congratulations on your engagement!

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If you have a question or feedback on this Pearls of Wisdom article, or would like to share your own wedding project idea, please contact us here.
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