Measurement is the process of determining the size, length, or amount of something using standard units.

Centimeters are used to measure small lengths.

Inches and feet are used to measure longer lengths.

There are 12 inches in a foot.

A meter is longer than a foot.

A ruler or measuring tape is used to measure length.

About 7 inches.

About 1 inch.

There are about 2.54 centimeters in an inch.

Feet or meters are best to measure the height of a person.