19.5 ring size is
If the ring is 2 cm in diameter, the US ring size is 10 and a quarter. In terms of British and Australian size, it is said to be U.
9 times bigger
the numbers 6,7,8,9or10 would just be the ring size sometimes they put the size in the inside of the ring but if it has any other # or letters in it it could be real.
i believe you mean US sizes Diam = 20.7 mm Circum = 64.1 mm
19.5 ring size is
If the ring is 2 cm in diameter, the US ring size is 10 and a quarter. In terms of British and Australian size, it is said to be U.
According to an international ring size conversion chart, a ring with an inside diameter of 22.5mm would be closest to Z+1.5 in the U.K. which is a diameter of 22.6mm.
size 11
16.51 mm inside diameter
it a size 6
9 1/2 for a shoe size, 7-8 for ring
A jeweler's stick is used to measure the diameter of the inside of a ring. It is helpful in determining the size of a ring.
I checked it out and my finger is about 3inch as well and my ring size is 8 1/2 or 9.
If you are measuring the diameter of the ring (which one can assume given the size) then it is about a 10 1/4 ring size. A 20.2 mm is a 10.5 in the US while a 19.8 is a 10. The sizes are different by country. Refer to the ring size chart in the links below if you need the sizes for different countries.
A 17mm diameter is6¾ in the US & CanadaandN in the UK, Ireland, and Australia.
The ring is 455 cm in diameter. It is centered on a square that is 670 cm on each side. The surface is hard packed clay.