A may already know your ring size.
Ring size 20mm diameter uk.
Welcome to the no.
Uk us au china japan south america.
Take your best guess.
As is standard across most jewellers we specify ring size with an alphabetical letter.
In ireland the united kingdom and australia ring sizes are specified using an alphabetical scale with half sizes.
Download our ring size pdf.
Useful reading before determining ring size.
If the size is wrong simply send in your ring within 90 days of your purchase and we will resize.
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.
All in one ring conversion chart.
The same chart covers ring sizes for both women and men as they both use the same systems of.
Match the measurement to the conversion chart below to get the actual ring size.
Determine us ring size.
Grab a ruler and measure the diameter of the ring its widest part in mm.
Click here to download our practical ring size guide.
Take your best guess and don t sweat it.
Convert between all ring size systems.
In india japan and china ring sizes are specified using a.
Select i don t know.
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.
Selecting the i don t know option will allow you to select a ring size later.
If you re buying a gift the best way but not always the easiest way is to borrow his or her ring from the correct finger and use the ring sizer guide on the left to determine its 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.
C can lay a ruler on a flat surface and place the ring over to measure the internal diameter in millimetres.
International ring size conversion chart.
How to determine your ring size size f 14 1 mm size g 14 5 mm size h 14 9 mm size f 14 3 mm size g 14 7 mm size h 15 1 mm size l 16 3 mm size n 17 1 mm size m 16 7 mm size j 15 7 mm size j 15 5 mm size i 15 3 mm size k 15 9 mm size k 16 1 mm size l 16 5 mm size m 16 9 mm size p 17 9 mm size r 18 8 mm size o 17 5 mm size q 18 5.
Use the ring conversion chart below to convert between us and uk ring sizes.
It also shows conversions between the numerical usa asia and alphabetical australia uk ring size measuring systems.
It shows ring sizes in both mm and inches plus internal diameter and external diameter.
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.
We recommend buying a full size larger than your normal ring size.
B can pop into a local jewellers and have your finger or the ring measured.
Below is our full ring size chart.
See also our other ring sizing resources.
1 source for determining your finger and ring size in all of the world s international ring sizing standards.