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Course: 5th grade > Unit 14
Lesson 4: Converting US Customary unitsUS Customary units of weight review (oz & lb)
Review the size of ounces and pounds and how to convert between the two. Then, try some practice problems.
Customary units of weight
Weight is a quantity of heaviness. For example, you are measuring the weight of your body when you step on to a scale.
In the customary system of measurement, the most common units of weight are the ounce (oz) and pound (lb).
How much is an ounce?
A slice of bread has a weight of about ounce:
How much is a pound?
A soccer ball has a weight of about pound:
Want to learn more about customary units of weight? Check out this video.
Converting pounds to ounces
To convert pounds to ounces we multiply the number of pounds by .
Example:
Converting ounces to pounds
To convert ounces to pounds we divide the number of ounces by .
Example:
Want to learn more about converting pounds to ounces? Check out this video.
Practice set 2: Converting units of weight
Want to try more problems like this? Check out these exercises:
Convert larger units to smaller units
Converting between units
Convert larger units to smaller units
Converting between units