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C++ Exercises: Convert temperature in Kelvin to Celsius

C++ Basic: Exercise-25 with Solution

Write a program in C++ to convert temperature in Kelvin to Celsius.

Pictorial Presentation:

C++ Exercises: Convert temperature in Kelvin to Celsius

Sample Solution:

C++ Code :

#include <iostream>
using namespace std;
 
int main()
{
    float kel, cel;
		cout << "\n\n Convert temperature in Kelvin to Celsius  :\n";
		cout << "------------------------------------------------\n";	
    cout << " Input the temperature in Kelvin : ";
    cin >> kel;
    cel = kel - 273.15;
    cout << " The temperature in Kelvin    : " << kel << endl;
    cout << " The temperature in Celsius : " << cel << endl;
	cout << endl;
    return 0;
}

Sample Output:

 Convert temperature in Kelvin to Celsius  :                           
------------------------------------------------                       
 Input the temperature in Kelvin : 300                                 
 The temperature in Kelvin    : 300                                    
 The temperature in Celsius : 26.85 

Flowchart:

Flowchart: Convert temperature in Kelvin to Celsius

C++ Code Editor:

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Next: Write a program in C++ to convert temperature in Fahrenheit to Kelvin.

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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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