Convert Between Customary and Metric Units

Cody’s tomato plant measures 45 centimeters. About how many inches tall is Cody’s plant? (1 inch is approximately 2.5 centimeters.)

• 12 inches

• 18 inches

• 48 inches

• 112 inches

Alex is 5 feet, 11 inches tall. About how many centimeters tall is Alex? (1 inch ≈ 2.5 centimeters)

• 28

• 74

• 153

• 178

A road is 20 miles long. If one mile is about 1.6 kilometers, about how many kilometers is the road?

• 13

• 18

• 22

• 32

Heidi runs the 440-yard race for her track team. About how many meters is Heidi’s race? (One yard is about 0.9 meter.)

• 40

• 50

• 400

• 500

The length of a piece of paper is 11 inches. What is the approximate length of the piece of paper in centimeters? (1 inch ≈ 2.5 centimeters)

• 5

• 9

• 14

• 28

Jeff learns that a 200-pound adult panda eats about 36 kilograms of fresh bamboo shoots each day. About how many pounds of fresh bamboo shoots does an adult panda eat each day? (1 kilogram ≈ 2.2 pounds)

• less than 65

• between 65 and 75

• between 75 and 85

• more than 85

The length of a truck is 6 yards. About how many centimeters long is the truck? (1 inch ≈ 2.5 centimeters)

• 540 centimeters

• 180 centimeters

• 45 centimeters

• 15 centimeters

Jeremy’s friend lives 20 miles away in the next county. About how many kilometers away does Jeremy’s friend live? (1 mile ≈ 1.6 kilometers)

• 13 kilometers

• 22 kilometers

• 32 kilometers

Maria decorated her door with 18 feet of string lights. About how many meters of string lights did Maria use? (1 meter is about 3.3 feet.)

• less than 4 meters

• between 4 and 6 meters

• between 6 and 8 meters

• more than 8 meters

Frank weighs 80 pounds. About how many kilograms does Frank weigh? (1 kilogram ≈ 2.2 pounds)

• 36 kilograms

• 78 kilograms

• 176 kilograms