How do I Size a Finger for Rings?

Find the right ring size.

Men often want to surprise their significant others with an engagement ring that fits correctly. Finger sizes may change over time, because of changes in weight, and may need to be re-measured for that perfect fit. You may find a ring online you love but are not sure of your ring size. There are several methods for determining a precise ring size. If you want to surprise someone with a ring, it may be best to borrow a ring they already own and measure it. Does this Spark an idea?

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String
Marker
Ruler
Ring

Instructions

- 1
  
  Wrap a piece of string around the finger for the intended ring. Mark the place on the string where it overlaps using the marker. The string should be loose enough to move over the knuckle.
- 2
  
  Lay the string flat and measure it with a ruler. The circumference of your finger in millimeters determines your ring size.
- 3
  
  Repeat the measuring process several times for accuracy.
- 4
  
  Look over the ring chart in the reference section to determine your ring size based on millimeters.

Tips & Warnings

Measure your fingers at the end of the day and when they are warm. Fingers are smaller at the beginning of the day and when cold.
If a ring is between two sizes, choose the larger one.
Go to a jewelry store to have your ring finger sized. The jeweler uses a precise metal ring tool to determine sizes. You do not need to make a purchase to have your finger sized.