Ring Size Calculator

You can measure your ring size at home using:

• A piece of string or paper strip
• An existing ring that fits well
• A ring sizer tool
• Our printable ring size guide

Measure when your fingers are at room temperature and not swollen.

US and UK ring sizes use different numbering systems. US sizes typically range from 3 to 13, while UK sizes use letters (A-Z) and numbers. The calculator helps you convert between these systems accurately.

For surprise purchases:

• Borrow an existing ring that fits
• Trace the inside of the ring
• Measure the ring's diameter
• Consider getting a slightly larger size

Yes, ring sizes can vary due to:

• Temperature changes
• Time of day
• Weather conditions
• Physical activity

Measure when your fingers are at their average size.

If the ring doesn't fit:

• Most jewelers offer resizing services
• Some rings can be adjusted up or down
• Consider ring guards for slightly large rings
• Check the store's return policy