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How to Find His Ring Size Without Him Knowing

With all the stress that the wedding planning process can bring, the last thing you need is to have any additional stressors added to your plate. If you want to surprise your man with a wedding ring and are wondering how to secretly measure his ring size, let us help you make this a non-stressful event.

Use One of His Rings to Get an Approximate Size

If your partner has at least one other ring that he wears, you’re in luck as this is the easiest way to get his ring size. Ideally, take his ring to a jeweler to measure his ring size while he’s out of town. Otherwise, take it at a time when he’s the least likely to notice it’s missing.

Note that you’ll want to let the jeweler know which finger and hand he wears the ring you took on. Since a person’s dominant hand may be larger than their less dominant hand, the fingers on each hand can have different ring sizes. The jeweler can use this information to come up with an approximate size based on average proportions they see.

If you can't get a hold of the ring itself, you can bring in an outline or impression of the inside of the ring. To get an outline, place the ring on a piece of paper and trace the inside of the ring with a pen or pencil and bring it into the jeweler for sizing.

Of course, if he’s not the ring type and doesn’t own a ring, you’ll need to go with Plan B below.

Measure His Finger While He’s Asleep

Yes, this is definitely a riskier method, but it can be a great way to get his ring size if the first way isn’t an option. Once you’re sure he’s in a deep sleep, take a string or strip of paper and wrap it around his ring finger on his left hand. If you’re not successful the first time, don’t give up. It could take a few attempts - the main thing is to not wake him up!

Once you’ve successfully completed this task, use a regular ruler to measure the two points on the string or paper to get the size of the finger circumference in millimeters. Then you can check out our ring size chart to correlate the ring circumference with the appropriate ring size.

Simply pick the suggestion above that’s the easiest for you to pull off. Then do it and feel good that you got another item checked off your list!

Once you have his size, you can move to the fun part and actually shop for and order his ring. Browse our quality, durable men’s silicone wedding bands to find the design that matches your fiancé’s style and personality and be sure to check out our customization options to make it all the more sentimental.