16.51 mm inside diameter
column size- 200x200 mm assume concrete cover is 40 mm and 8 dia bar using so that, ties size will be 120x120 mm [(AxE mm)] using formula- 2x(A+E)+24 dia of bar = 2x(120+120)+24x8=672 mm.
5 mm is about 1/5". About the diameter of a pea.
If your ring has an outer radius of 8 mm and an inner one of 5 mm, you will have pi times (routside)2 minus pi times (rinside)2 or about 122.522 square millimeters of area on the top of the ring. Double that if you add in the surface area of the bottom. As to the sides (the inside and outside), we cannot calculate them without a thickness.
A 14mm size ring is a US size 3.
52.8 mm
3 mm.
16.51 mm inside diameter
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.
8 mm or 0.31 inch
column size- 200x200 mm assume concrete cover is 40 mm and 8 dia bar using so that, ties size will be 120x120 mm [(AxE mm)] using formula- 2x(A+E)+24 dia of bar = 2x(120+120)+24x8=672 mm.
The answer will depend on the units. 20 mm x 8 mm is quite a different size from 20 miles x 8 miles.
3.5 inches is 88.9 millimeters.
9 1/2 for a shoe size, 7-8 for ring
An 8. Ring sizes are universal, at least in the US.
8
Korea = Country of Origin or what country the ring is from. 8 = Ring Size