﻿ C++ Exercises: Convert temperature in Kelvin to Fahrenheit - w3resource

# C++ Exercises: Convert temperature in Kelvin to Fahrenheit

## C++ Basic: Exercise-24 with Solution

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

Pictorial Presentation:

Sample Solution:

C++ Code :

``````#include <iostream>
using namespace std;

int main()
{
float kel, frh;
cout << "\n\n Convert temperature in Kelvin to Fahrenheit  :\n";
cout << "---------------------------------------------------\n";
cout << " Input the temperature in Kelvin : ";
cin >> kel;
frh = (9.0 / 5) * (kel - 273.15) + 32;
cout << " The temperature in Kelvin    : " << kel << endl;
cout << " The temperature in Fahrenheit : " << frh << endl;
cout << endl;
return 0;
}
``````

Sample Output:

``` Convert temperature in Kelvin to Fahrenheit  :
---------------------------------------------------
Input the temperature in Kelvin : 300
The temperature in Kelvin    : 300
The temperature in Fahrenheit : 80.33
```

Flowchart:

C++ Code Editor:

What is the difficulty level of this exercise?

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## C++ Programming: Tips of the Day

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.

Ref: https://bit.ly/3wtz2qA

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