Volume is the amount of space that a liquid, like water, takes up in a container.
The objects below can hold liquids up to a certain volume.
To know how much liquid we can fill these containers with, we use units of volume.
Some units of volume are for small containers.
Others are for really large ones.
In this lesson, let's explore the units of volume in the US customary system. In the next lesson, we'll cover the metric system.
Tip: These are used only in the United States. 🇺🇸 There are about 400 million people living in the United States.
teaspoon, tsp
tablespoon, tbsp
1 tbsp = 3 tsp
fluid ounces, fl oz
1 fl oz = 2 tbsp
cup, c
1 c = 8 fl oz
1 c = 16 tbsp
pint, pt
1 pt = 2 c
If you like ice cream, most likely you've heard of pint, quart and gallon.
quart - qt
1 qt = 2 pt
gallon - gal
1 gal = 4 qt
Tip: When writing a measurement that's more than 1, we don't add "s" at the end of the abbreviations.
Two of the units have something to do with spoons.
This is 1 cup of tea.
This is 1 pint of ice cream.
This is 1 quart of milk.
If you want more, below is 1 gallon of milk.
A volume in one unit can be express in any other unit. People just use what's most convenient.
1 tablespoon can be expressed as 3 teaspoons.
1 fluid ounce is the same as 2 tablespoons.
1 cup is 16 tablespoons.
If you need 1 cup, you can also measure out 8 fluid ounces.
The volume of this measuring cup is 1 pint.
1 pint is the same volume as 2 cups.
Do you need 1 quart of milk?
1 quart of milk is the same as 2 pints.
1 gallon is equal to 4 quarts.
Great job.
Now, try the practice. It'll help you memorize all these conversion factors.