# The Metric System

### Popular Tutorials in The Metric System

#### How Do You Determine the Best Metric Units to Measure a Mass?

Want to measure the mass of an object? There are multiple metric units to choose from! This tutorial goes through the process of choosing the best metric unit to use for measuring the mass of a given object.

#### How Do You Determine the Best Metric Units to Measure a Capacity?

There's more than one unit to measure the capacity of an object. Sometimes, one unit is a better choice to use for a particular object. In this tutorial, you'll see how to choose the best metric unit to measure the capacity of a given item.

#### How Do You Measure an Object to the Nearest Centimeter Using a Ruler?

Rulers help you measure all sorts of things, but you need to learn how to use it first! Follow along with this tutorial to see how to use a ruler to measure objects in centimeters.

#### How Do You Measure an Object in Millimeters Using a Ruler?

Knowing how to use a ruler is an important skill in both math and the real world! Follow along with this tutorial to see how to use a ruler to measure an object in millimeters!

#### What are the Metric Units of Length?

If you're measuring the length of an object, you can use one of the metric units used to measure length. Follow along with this tutorial to learn about these metric units for length.

#### What are the Metric Units of Mass?

Milligrams and grams are two of the common metric units used to measure the mass of an object. In this tutorial, you'll learn about the metric units used to measure mass!

#### What are the Metric Units of Capacity?

A liter is a metric unit used to measure the capacity of an object, but there are other metric units that can also be used! This tutorial introduces the metric units for capacity.

#### What is Density?

Ever wonder why some objects float in water while others sink? The object's density plays a key role. This tutorial provides a great introduction to density.