If you are buying the ring as a surprise.
Size 13 ring actual size.
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.
Use our ring size conversion chart below to find your ring size in different countries.
There are several systems for indicating a rings size used around the world.
Get sized at a jeweler.
To ensure the most accurate ring size we recommend you visit your local jeweler for a professional sizing.
If you have measured the finger to be sized with string or know the circumference in millimeters use the following chart to convert the length to a ring size.
How to determine your ring size m easure current r ing size 12 21 4 mm size 13 22 2mm size 10 19 8 mm size 11 20 6 mm size 10 20 2 mm size 11 21 0 mm size 12 21 8 mm size 13 22 6mm size 5 15 7 mm size 4 15 3 mm size 3 14 1 mm size 3 14 5 mm size 4 14 9 mm size 5 16 1 mm size 6 16 5 mm size 7 17 3 mm size 6 16 9 mm size 8 18 1mm.
With the numbers facing out slip the tip of the ring sizer through the slot.
Place the sizer on your ring finger and carefully pull taut to read the finger size.
Print the ring sizer making sure that it is printed to actual size.
Borrow one of your partner s rings and slide it down a tapered candle.
Cut out the ring sizer and open the slot where marked.
Measure the circumference of the candle where the ring stops.
Determining your ring size can be tricky without the proper tools.