Mastering Unit Conversions Between Customary And Metric Systems

The video tutorial explains how to convert between the U.S. customary system and the metric system using proportions. It covers examples of converting inches to centimeters, miles to kilometers, liters to gallons, and kilograms to pounds, demonstrating the use of conversion tables and rounding techniques.

Which system of measurement is primarily used in the United States?

• Metric system

• Imperial system

• Customary system

• International system

Which of the following is NOT a unit of the metric system?

• Gallon

• Liter

• Meter

• Centimeter

What is the conversion factor from inches to centimeters?

• 1 inch = 3.14 centimeters

• 1 inch = 2.84 centimeters

• 1 inch = 2.54 centimeters

• 1 inch = 1.54 centimeters

If a boy is 60.5 inches tall, what is his height in centimeters rounded to the nearest tenth?

• 153.7 cm

• 152.7 cm

• 153.5 cm

• 154.0 cm

What is the conversion factor from miles to kilometers?

• 1 mile = 1.800 kilometers

• 1 mile = 1.609 kilometers

• 1 mile = 1.700 kilometers

• 1 mile = 1.500 kilometers

How many kilometers is 25.7 miles, rounded to the nearest tenth?

• 41.3 km

• 41.5 km

• 41.4 km

• 41.6 km

What is the conversion factor from liters to gallons?

• 1 liter = 0.564 gallons

• 1 liter = 0.464 gallons

• 1 liter = 0.364 gallons

• 1 liter = 0.264 gallons

How many gallons are in a 2-liter bottle of soda, rounded to the nearest tenth?

• 0.5 gallons

• 0.4 gallons

• 0.6 gallons

• 0.7 gallons

What is the conversion factor from kilograms to pounds?

• 1 kilogram = 2.405 pounds

• 1 kilogram = 2.305 pounds

• 1 kilogram = 2.105 pounds

• 1 kilogram = 2.205 pounds

If an adult female giraffe weighs 828 kilograms, what is her weight in pounds rounded to the nearest whole number?

• 1,827 pounds

• 1,826 pounds

• 1,825 pounds

• 1,828 pounds