This is a simple command line Celsius to Fahrenheit converter

c2fconverter.cpp

#include <iostream.h>

void main(void)
{
    int c = 0, f = 0;
    
    cout << "Enter the temprature in C: ";
    cin >> c;
    
    f = c * (9/5) + 32;
    cout << "Temprature in F: " << f << endl;
}