The most complete and 1 source for your ring size conversions.
Ring size inside diameter 20mm.
Accurately determine what ring size you are in all international sizing standards.
Below is our full ring size chart.
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Determining your ring size can be tricky without the proper tools.
Grab a ruler and measure the diameter of the ring its widest part in mm.
It also shows conversions between the numerical usa asia and alphabetical australia uk ring size measuring systems.
The same chart covers ring sizes for both women and men as they both use the same systems of.
In ireland the united kingdom and australia ring sizes are specified using an alphabetical scale with half sizes.
Use our ring size conversion chart below to find your ring size in different countries.
This ring size method is based on the inside diameter measurement of a ring that fits the fourth finger of the left hand.
1 source for determining your finger and ring size in all of the world s international ring sizing standards.
Match the measurement to the conversion chart below to get the actual ring size.
To make sure it s printed to actual size choose scale 100 when selecting your print options.
A may already know your ring size.
It shows ring sizes in both mm and inches plus internal diameter and external diameter.
Resources here for comparing sizes and basic ring sizing tool.
International ring size conversion chart.
Most of our range is available in sizes h through to v although some rings.
Find the diameter on our ring size conversion chart to get the approximate ring size.
As is standard across most jewellers we specify ring size with an alphabetical letter.
B can pop into a local jewellers and have your finger or the ring measured.
Print the the ring size chart.
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.
C can lay a ruler on a flat surface and place the ring over to measure the internal diameter in millimetres.
In united kingdom australia new zealand south africa and ireland the ring sizes are specified using an alphabetical letters for full and half ring sizes.
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.
Please follow the simple steps below to determine your ring size.
An increase of a full size is an increase of 0 032 inch 0 8128 mm in diameter or roughly 1 10 inch more precisely 0 1005 in or 2 55 mm in inside circumference.