6.35mm as there are 25.4 millimeters in one inch.
Three quarters of a inch is 19.05 mm.
One inch is equal to 25.4 millimetres. Therefore, three quarters of an inch is equal to 25.4 x 0.75 = 19.05 millimetres.
2 / 0.25 = 8 Therefore, there are 8 quarter inches in 2 inches.
A quarter of an inch is one fourth of an inch, so there are four quarter inches in one inch. Therefore, the number of quarter inches in two inches, is 8.