19BMI Calculator

You’ll often need to see if one value is within a certain range and alter the flow of a program as a result.

Create a program to calculate the body mass index (BMI) for a person using the person’s height in inches and weight in pounds. The program should prompt the user for weight and height.

Calculate the BMI by using the following formula:

images/_pragprog/svg-0008.png

If the BMI is between 18.5 and 25, display that the person is at a normal weight. If they are out of that range, tell them if they are underweight or overweight and tell them to consult their doctor.

Example Output

 
Your BMI is 19.5.
 
You are within the ideal weight range.

or

 
Your BMI is 32.5. ...

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