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18mm ring size conversion.
Use our free ring size converter to determine your ring size by circumference or diameter.
Making a purchase of diamond jewellery or wedding rings online or in store requires that you provide an accurate finger size measurement.
Ring size calculator how to measure ring sizes at home charts.
Find your ring size using our finger size chart below.
Choose your preferred sizing method.
Official international ring size conversion chart.
Get sized at a jeweler.
To ensure the most accurate ring size we recommend you visit your local jeweler for a professional sizing.
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.
If you are buying the ring as a surprise.
Can t find what you are looking for.
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.
Determining your ring size can be tricky without the proper tools.
Divide that by 3 14 to get the diameter of your finger.
Find your or someone elses ring size in seconds.
Call our highly trained customer service reps at 1 800 263 6106 who will be more then happy to find the right solution for.
Instructions and tips for correctly measuring with or without a ring plus a sizing table and conversion ring size charts.
Australia and europe usa and canada internal diameter mm internal circumference mm g 1 2 3 3 4 14 7 46 1 h 4 14 9 46 7 h 1 2 4 1 4 15 1 47 4 i 4 1 2 15 3 48 0 j 4 3 4 15 5 48 7 j 1 2 5 15 7 49 3 k 5 1 4 15 9 49 9 k 1 2 5 1 2 16.
Measure the circumference of the candle where the ring stops.
Welcome to the no.
How to determine your ring size.
Wrap a piece of string or a strip of paper around your finger.
International ring size conversion chart.
Measure the string or paper against a ruler to get the circumference of your finger.
How to properly measure a man s finger for ring size.
Borrow one of your partner s rings and slide it down a tapered candle.
Select a ring size in one category the rest will change to match.
There are several systems for indicating a rings size used around the world.
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Over 17 000 products available from our 16 000 sf warehouse in toronto.
1 source for determining your finger and ring size in all of the world s international ring sizing standards.
Use our easy ring size calculator our how to measure guide and converters.
Please follow the simple steps below to determine your ring size.
Mark the point where the two ends meet.
If you are unsure of your size please consult a jeweller or order a ring sizer here.