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C++ Exercises: Converts kilometers per hour to miles per hour

C++ Basic: Exercise-23 with Solution

Write a program in C++ that converts kilometers per hour to miles per hour.

Pictorial Presentation:

C++ Exercises: Converts kilometers per hour to miles per hour

Sample Solution:

C++ Code :

#include <iostream>
using namespace std;

int main()
{
    float kmph, miph;
	cout << "\n\n Convert kilometers per hour to miles per hour :\n";
	cout << "----------------------------------------------------\n";	
    cout << " Input the distance in kilometer : ";
    cin >> kmph;
	miph = (kmph * 0.6213712); 
    cout << " The "<< kmph <<" Km./hr. means "<< miph << " Miles/hr." << endl;
	cout << endl;
    return 0;
}	

Sample Output:

 Convert kilometers per hour to miles per hour :                       
----------------------------------------------------                   
 Input the distance in kilometer : 25                                  
 The 25 Km./hr. means 15.5343 Miles/hr. 

Flowchart:

Flowchart: Converts kilometers per hour to miles per hour

C++ Code Editor:

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Previous: Write a program in C++ to find the third angle of a triangle.
Next: Write a program in C++ to convert temperature in Kelvin to Fahrenheit.

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Why is there no std::stou?

The most pat answer would be that the C library has no corresponding "strtou", and the C++11 string functions are all just thinly veiled wrappers around the C library functions: The std::sto* functions mirror strto*, and the std::to_string functions use sprintf.

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