C can lay a ruler on a flat surface and place the ring over to measure the internal diameter in millimetres.
Ring size 20mm diameter uk.
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.
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 same chart covers ring sizes for both women and men as they both use the same systems of.
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.
Click here to download our practical ring size guide.
All in one ring conversion chart.
As is standard across most jewellers we specify ring size with an alphabetical letter.
In india japan and china ring sizes are specified using a.
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.
We recommend buying a full size larger than your normal ring size.
1 source for determining your finger and ring size in all of the world s international ring sizing standards.
It also shows conversions between the numerical usa asia and alphabetical australia uk ring size measuring systems.
Uk us au china japan south america.
Use the ring conversion chart below to convert between us and uk ring sizes.
Ring sizing tips tricks.
Most of our range is available in sizes h through to v although some rings.
A may already know your ring size.
It shows ring sizes in both mm and inches plus internal diameter and external diameter.
If the size is wrong simply send in your ring within 90 days of your purchase and we will resize.
B can pop into a local jewellers and have your finger or the ring measured.
Useful reading before determining 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.
Grab a ruler and measure the diameter of the ring its widest part in mm.
International ring size conversion chart.
Find the diameter on our ring size conversion chart to get the approximate ring size.
Download our ring size pdf.
Determine us ring size.
Select i don t know.
Take your best guess.
Selecting the i don t know option will allow you to select a ring size later.
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.
See also our other ring sizing resources.
Match the measurement to the conversion chart below to get the actual ring size.
Below is our full ring size chart.
Convert between all ring size systems.
