Make sure to measure where the diameter is largest center.
Ring size chart inside diameter.
Sizing a ring for someone else.
Buying a ring for someone else.
In the united states canada and mexico for indicating a rings size uses a numerical measure for whole and half rings sizes an increase of a full ring size is an increase of 0 032 inch 0 8128 mm in diameter or roughly 1 10 inch in inside circumference.
If possible try and borrow a ring they currently wear for the finger they ll wear it on and use our printable ring size chart and measure the inside diameter.
The information presented here has been compiled from many sources in various countries to help you determine your local ring size compared to those from other countries.
1 source for determining your finger and ring size in all of the world s international ring sizing standards.
There are several systems for indicating a rings size used around the world.
International ring size conversion chart.
Print the the ring size chart.
If you are using an existing ring and using the circle guides make sure you measure using the inside diameter.
Look up your measurement in the ring size chart below diameter column.
Find the corresponding ring size ring size column and.
Use a ruler or measuring tape inches to carefully measure the inside diameter of a ring edge to edge.
To make sure it s printed to actual size choose scale 100 when selecting your print options.