4 Clever Ways To Secretly Get Your Partner’s Ring Size

A tattooed man, up close, holding an engagement ring with a diamond, who's about to put it on a woman's finger.

Your search for the perfect proposal just got way less stressful.

Planning a surprise engagement can feel overwhelming, especially when you don’t know your partner’s ring size. You want everything flawless, but asking directly would ruin the surprise.

Sure, you could guess and hope for the best, but wouldn’t it be better to nail it on the first try? The good news is there are sneaky ways to figure out her ring size without blowing your cover.

Getting the ring size right shows that you pay attention to details. It proves you’re serious about this whole marriage thing, and that you’ve put real thought into making this moment unforgettable.

Borrow One of Her Existing Rings

This classic move works like a charm if you can pull it off smoothly. Wait for her to take off a ring she wears on her ring finger—maybe while she’s washing dishes or getting ready for bed. Slip it into your pocket when she’s not looking, and head to the jewelry store for sizing.

Just make sure you return it before she notices it’s missing. Some guys have their sister or mom “accidentally” borrow the ring during a family gathering to make it less suspicious.

Recruit Her Friends or Family

Her best friend probably knows her ring size, or at least has a better shot at finding out than you do. They can casually bring up jewelry shopping or even suggest a girls’ trip to try on rings “just for fun.”

Her mom or sister might already have this information from previous jewelry gifts. Plus, they’re usually excited to help with proposal planning and can keep secrets better than you might think.

Check Her Jewelry Box

Most women have a go-to ring they wear regularly. Sneak a peek at her jewelry collection when she’s in the shower or out running errands. Look for the rings she regularly wears on her ring finger and use a ring sizer app on your phone.

Some jewelry stores sell plastic ring sizers that you can use to check the fit of her existing rings. This method works especially well if she has rings in different sizes—you’ll want to focus on the ones she wears most often.

Get Creative With Ring Shopping

Suggest checking out vintage shops or antique stores together. Frame it as a fun weekend activity, rather than serious ring shopping. She’ll naturally try things on, and you can mentally note what sizes fit her best for that special engagement ring.

Conclusion

Getting the right ring size doesn’t have to stress you out. As you can see, there are plenty of clever ways to secretly get your partner’s ring size if you want to keep your proposal a secret. If you’re still a little off—don’t worry! Most jewelers offer free resizing within a reasonable range.