Q:
# How big is 8 millimeters?

**A length of 8 millimeters is equivalent to about 0.31 inch, or slightly less than 1/3 inch.** A human pupil measures about 3 to 4 millimeters in normal room light, so 8 millimeters approximates the combined diameters of two pupils.

A length of 8 millimeters constitutes about 3 percent of a foot. In metric terms, a meter consists of 1,000 millimeters, so 8 millimeters make up 0.8 percent of a meter. A centimeter consists of 10 millimeters, so 8 millimeters equal 0.8 centimeter. The diameter of a quarter is about 24 millimeters, which means that 8 millimeters is one-third of the diameter of a quarter.

Learn more about Measurements-
Q:
## How big is 12 millimeters?

A: A length of 12 millimeters is equivalent to about 0.47 inches, or slightly less than half an inch. The diameter of a dime is about 18 millimeters, so 12 mi... Full Answer >Filed Under: -
Q:
## How big is 5 millimeters?

A: A length of 5 millimeters is equivalent to 0.1969 inches, or slightly less than 1/5 of an inch. A millimeter is a unit equal to 1/1000 of a meter, so 5 mil... Full Answer >Filed Under: -
Q:
## What is a single point of 1 inch in height?

A: A point is 1/72 of an inch of height and this type of measurement is generally used in printing and formatting documents. This measurement is normally seen... Full Answer >Filed Under: -
Q:
## How wide is 3 millimeters?

A: Three millimeters in width is approximately one-tenth of an inch. A penny is just over 1.5 millimeters, making 3 millimeters about the width of two pennies... Full Answer >Filed Under: