Use our free ring size converter to determine your ring size by circumference or diameter.
2 5 8 inches ring size.
To ensure the most accurate ring size we recommend you visit your local jeweler for a professional sizing.
When shopping for a ring online you can find an approximate fit with a ring size chart.
This ring size chart will help you to determine your ring size using a tape measure or a ruler.
If you already know your ring size and just need to convert it to another scale see our international ring size conversion chart below.
Move the slider until the selected object fits between the boxes to help with proportions.
There are several systems for indicating a rings size used around the world.
Determine ring size based on finger measurent.
Borrow one of your partner s rings and slide it down a tapered candle.
If you are buying the ring as a surprise.
How to properly measure a man s finger for ring size.
Measuring your finger with a thin strip of paper to get your finger circumference in millimeters or in inches and find the measurement on the chart to find the corresponding ring size.
Do not tighten the measuring tape too much it is supposed to sit quite loose around your finger.
Wrap a piece of string around your ring finger and cut it at the point where the end overlaps.
Measure the circumference of the candle where the ring stops.
Get sized at a jeweler.
Measure more than once as finger size can also vary with diet exercise etc.
Line the string up with the ring size guide provided on the ring size chart.
The one that best matches is your ring size.
Chart includes sizes from 5 to 15 including half sizes.
In this chart diameters and circumferences are also given in both inches and millimeters.
Use a flexible measuring tape inches to measure the circumference around your ring finger exactly where the ring is supposed to be located.
There are several ways.
From 1 4 to 1 2 size if your knuckle is larger ask your designer about a euro shank.
Softly squared to fit over the knuckle and round with weighted lower corners.
There are two versions.
Ring size conversion chart international ring sizes.
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.
Then look up the number in our ring size charts.
Ring sizes vary by country.
Choose your preferred sizing method.
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.