8mm = 0.315 inch (rounded)
it is the measure of the width of the bore, given in millimeters or fractions of an inch. Thus you can have a .303 Enfield, or an 8mm Mauser.
0.31 inch
0.31 inch
o.31 inch
1" = c. 25.4mm 8mm=8/25.4=40/127"
8 mm or 0.31 inch
For all practical purposes an 8mm drill is equal to 5/16 inch.
It is 4/125 of an inch
0.31 inch or a film format used by amateurs and artists
A millionth of an inch is one kind of fraction of an inch. There are many other kinds of fractions of an inch, for example:thousandths of an inchhundredths of an inchtenths of an incheighths of an inchquarters of an inchhalves of an inchthree-quarters of an inch
Fractions of an inch. A "50" is 50/64ths of an inch.