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How to Find Your Partners Ring Size Without Asking

The day you propose to your partner is one that you’ll both cherish forever. Days of planning out the perfect scenario, hours practicing your romantic monologue, and more time than you’d like to admit scouring her Pinterest page for the perfect ring. All to see the priceless look on her face when you drop down on one knee.


It’s a lot of effort to plan a proposal and even more to pull it off without her catching on. Especially if you’re missing this vital information: your partner’s ring size. Sure you could just buy a ring, hope it fits, and then get it resized after the proposal, but announcing a proposal and having no ring to show for it can feel a little disappointing. Luckily there are some tactics you can use to find your partner’s ring size without them knowing.

Use Another Ring

Ideally your partner will already have a ring that she actively wears on her left ring finger. All you have to do is get your hands on it long enough to take it on a quick trip to the jeweler. Even if she doesn’t have one that she specifically wears on her ring finger, you can still take in any other ring she owns, with the knowledge of what finger she wears it on, and the jeweler will more than likely be able to use that information to make an accurate suggestion on her ring finger size.

Trace Her Ring

If trying to sneak off with one of her existing rings is too tricky, you can still use it to your advantage. If you have clay or even a bar of soap, you can press in your ring to make a mold. Even just tracing the ring using a pen and a piece of paper will suffice for the jeweler to make a suggestion.

Ask Her Friends

There a lot of ways you can enlist her friends to help you find your partner’s ring size. If you’re really lucky they may already know, but often times you’ll have to get a little creative. If you have friends that are already engaged, they can casually bring up the topic of engagement rings and have your partner try theirs on just for fun. Her friend should be able to gauge how big or small the ring was on her and maybe even get some intel on what they want in an engagement ring.


Another tactic is to have her friend suggest a trip to the mall, and while shopping around make a joke of trying on engagement rings for fun, getting your ring finger sized “because we’ll need to know eventually” and picking out a favorite. You get all the intel you need, and if her friend is good at playing it off, then she won’t suspect a thing.


If you really want to just get to the point, have one of her friends blatantly ask her what her ring size is. It’s not uncommon for the best friend to be in on a proposal, and that’s exactly how she can spin the scenario when she asks your soon to be fiance.

Tie a Knot

Hear us out on this one okay? It will require a high level of stealth and skill, but is still a useful tactic in a last ditch effort to get her ring size. While your partner is sound asleep, bust out a piece of string, fishing wire, or literally anything that can be wrapped around their finger. Tie a knot, slip it off, and voila! You’ve got her ring size and a great story to tell down the road that’s sure to get some laughs.

Just Ask

If all else fails, just ask! Odds are you two have already discussed the idea of marriage, and if not it might be time to have that conversation. Just because she knows you might be purchasing a ring doesn’t mean she knows exactly when it’ll happen, so you’ll still have the element of surprise on your side.

Final Thoughts

All this being said, there’s no need to get overly stressed about finding your partner’s ring size without them knowing. If it’s something that’s important to you, then give our tips a try! If things don’t go as planned, just remember what’s really important here: you’re about to to ask the woman you love to spend the rest of your lives together. Your proposal is going to be a special moment no matter what, and you should cherish it!

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