Ring Size Guide
Find Your Ring Size:


Pro Tips
Finding the right ring size isn’t just about measurements—factors like time of day and ring style can affect how a ring fits. Keep these tips in mind to ensure the best fit:
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Fingers tend to be larger in the morning due to overnight fluid retention and smaller in the evening.
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Fingers on your dominant hand (the one you write with) are often slightly larger than on your non-dominant hand.
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Choose a larger size:
- If you're between two sizes
- If the ring has a wider band
- If your knuckle is larger than the base of your finger
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You can also use a ring size app to measure a ring you already own. Simply place your ring on your phone screen and adjust the guide to match the inside diameter.
Click here for iOS users | Click here for Android users
Disclaimer: Nominal is not liable for inaccuracies, miscalculations, or misuse of the app.