Use our free ring size converter to determine your ring size by circumference or diameter.
Us ring size in mm circumference.
1 source for determining your finger and ring size in all of the world s international ring sizing standards.
Borrow one of your partner s rings and slide it down a tapered candle.
Measure the circumference of the candle where the ring stops.
We have included the british japanese and swiss ring sizes in our ring size chart below.
The uk australia and ireland use a system of letters to denote ring size india japan and china use a different numbering system from the us and other countries use iso standard ring sizes.
In the united states canada and mexico ring sizes are specified using a numerical scale with quarter and half sizes.
Welcome to the no.
Use the chart below to determine the correct ring size.
Please follow the simple steps below to determine your ring size.
Speak with a diamond expert now by calling 866 737 0754.
Us ring size measurements in inches millimetres.
Use our ring size conversion chart below to find your ring size in different countries.
If you are buying the ring as a surprise.
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.
Tips for measuring a man s ring size.
Don t measure cold fingers as this is when fingers are the smallest.
International ring size conversion chart.
Mark with a pen where the strip joins measure in millimeters the length between the two pen marks using a ruler do not tighten the strip too hard w.
The us ring sizes are only used in the us and canada.
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.
You can also use a tailor s tape wrap the string around your finger.
Cut a thin strip of paper or get yourself a piece of string of several centimeters.
Move the slider until the selected object fits between the boxes to help with proportions.
In the united states canada and mexico for indicating a rings size uses a numerical measure for whole and half rings sizes.
Each quarter size indicates an increase in diameter of eight thousandths of an inch 0 008 in thus making the difference in full sizes 0 032in.
This gives an increase of about a tenth of an inch in inner circumference of the ring per full size.
There are several ways.
Choose your preferred sizing method.
1 by using a string or dental floss to measure 2 by using an existing well fitting ring as basis and 3 by using a ring size stencil.
In united kingdom australia new zealand south africa and ireland the ring sizes are.