You would use CM or INCHES to measure a knife
Kilometers
The unit of measurement to measure the thickness of a DVD is typically expressed in millimeters.
You would use the measurement of "miles".
always the meter to measure length. This is an SI (international) unit of measurment, and is the standard international unit of measurment for length.
There are different sizes of envelopes, and unit of measurement depends on what country you live in. Pick the the unit that comes out to an even number
Feet.
a centimeter
A shoe.
meters
inches
inches
Kilograms.
tons
Centimeters
Square footage.
Kilograms.
Kilometers