It is used to measure small objects, for example, notebooks, pencils, and bottles. Most rulers come with two measurement metrics, centimeters, and inches and are made usually in lengths of 15 cm and 30 cm.

When might it be appropriate to use centimeters?

A centimeter is the next smallest unit. You can use a ruler to measure things in centimeters. If an object is the length of a ruler or smaller, then it makes sense to use centimeters to measure.

Do we use centimeters?

We can use millimeters or centimeters to measure how tall we are, or how wide a table is, but to measure the length of a football field it is better to use meters. A meter is equal to 100 centimeters. Meters can be used to measure the length of a house, or the size of a playground. A kilometer is equal to 1000 meters.