The easiest, cheapest way to get your perfect ring size for any of your fingers! It’s a small tool that measures the circumference of your finger so that you know what size you are before you purchase a ring—or know what size you need to resize an existing ring to.

This ring sizer is super accurate (otherwise we wouldn’t recommend it on our site)! Unlike using a tape measure or string to measure your finger, ring sizers provide a snug fit and measure your ring size at the same time, ensuring your measurement is spot on.

Yes, it is! We had to list it for one cent (just so it would show on our site!) but, hey, basically free. Add it to your next order before you purchase a ring to ensure the perfect fit.

Simply open it up to where it’ll fit over your finger, then adjust to your finger the exact way you’d like your ring to fit—not too tight, not too loose. We recommend trying this at a few different times of the day and at different temperatures as your ring size can fluctuate based on how hot it is and how hydrated you are. Once you feel confident in your ring size, write down the size measurement (based on the markings on the sizer).