Ring Sizer: Ring Size Finder

Find your fit with Ring Sizer, a way to measure an existing ring, compare international sizes, and keep your measurements handy.

Shopping for yourself or choosing a gift? Ring Sizer helps you check sizing before you buy. Place your ring on your phone screen and adjust the circle to find the closest match.

KEY FEATURES

• Measure an Existing Ring
Use the Ring Sizer sizing circle to match the inside of your ring and find its corresponding size.

• Compare International Sizes
View your measurement across supported international sizing systems, making shopping across countries easier.

• Convert Ring Sizes
Switch between supported sizing systems with the Ring Sizer converter. Compare measurements without searching through separate conversion charts.

• Save Your Sizes
Keep measurements in Favorites for easy access whenever you shop. Ring Sizer makes it convenient to revisit your saved sizes.

• Share Your Size
Send a saved measurement to your partner, a friend, or a jeweler to help them choose the right size.

From checking a favorite ring to sharing measurements for a gift, Ring Sizer keeps sizing tools together in one app.

Measure, convert, save, and share, so you can spend less time comparing sizes and more time finding a ring you love.

Recent changes:
More smoothness, less bugs!