CONVERTING BETWEEN MEASUREMENT SYSTEMS WORKSHEET

1.  The length of a sheet of paper is 11 inches. What is this length in centimeters ? 

2.  Tanya covers 80 miles of distance in 2 hours. Find her speed in kilometer per hour. 

3.  The height of the oak tree is 2.5 meters. What is the height of the oak tree in feet ?

4.  The weight of a person is 60 kilograms. Find the weight of the same person in pounds. 

Detailed Answer Key

1. Answer : 

We can use a bar diagram to solve this problem. Each part represents 1 inch.

The total length of the above bar diagram is 11 inches and its has been divided into 11 equal parts, each part represents 1 inch

From the above table, in length section of customary to metric conversion, we get

1 inch  ≃  2.54 centimeters

There are eleven 2.54 centimeters in the above bar diagram.  

Then, we have

11 inches  =  11 x 2.54 centimeters

11 inches  =  27.94 centimeters

Another Method :

Another way to solve this problem is to write a proportion and find equivalent ratios.

In this method also, we get the same answer. 

That is,

11 inches  =  27.94 centimeters

2. Answer : 

We know the formula for speed.

That is,

Speed  =  Distance / Time

Speed  =  160 miles / 2 hours

Speed  =  80 miles per hour

To find the speed in kilometer per hour, we have to convert 80 miles into kilometers. 

From the above table, in length section of customary to metric conversion, we get

1 miles  ≃  1.61 kilometers

So, we have 

80 miles  =  80 x 1.61 kilometers 

80 miles  =  128.8 kilometers (Approximately)

3. Answer : 

To find the height of the oak tree in feet, we have to convert 2.5 meters into feet. 

From the above table, in length section of metric to customary conversion, we get

So, we have 

1 meter ≃  3.28 feet 

2.5 meters  =  2.5 x 3.28 feet

2.5 meters  =  8.2 feet (Approximately)

4. Answer : 

To find the weight of the person in pounds, we have to convert 60 kilograms into pounds. 

From the above table, in weight/mass section of metric to customary conversion, we get

So, we have 

1 kilogram ≃  2.20 pounds 

60 kilograms  =  60 x 2.20 pounds

60 kilograms  =  132 pounds (Approximately)

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