C++ code to convert Celsius into Fahrenheit using the function

C++ code to convert Celsius into Fahrenheit using the function

In this tutorial, we will discuss the concept of the C++ code to convert Celsius into Fahrenheit using the function

In this post, we will learn how to write a program to convert Celsius into Fahrenheit using the scientific equations in C++ programming language with an Example program.

Temperature and conversion

Generally, We have known three types of temperature units Fahrenheit, Celsius, and Kelvin. In this article, we are discussing how to convert temperature units Celsius into Fahrenheit. Fahrenheit and Celsius are the measuring units in degrees as ⁰F and ⁰C  respectively.

scientific equation Fahrenheit= Celsius*9/5+32

Code to Celsius into Fahrenheit

Convert Celsius into Fahrenheit

In this program, the user declares a double variable as a parameter for Celsius in the user-defined function. When the user calls the function and the celsius value passes to the method as an argument.
Finally, the Fahrenheit value displays on the screen using the scientific equations in C++ programming language.

Program 1

//C++ program to convert C into F using function
#include <iostream>
using namespace std;
float CelsiusToFahrenheit(float);

int main() {
    float celsius;
    // variable declaration
    //Calculate fahrenheit
    float fahrenheit=CelsiusToFahrenheit(100.00);
    float fahrenheit1=CelsiusToFahrenheit(32.00);
    float fahrenheit2=CelsiusToFahrenheit(110.50);
    float fahrenheit3=CelsiusToFahrenheit(36.90);
    
    //display result on the screen
    //by call the function
cout<<fahrenheit <<" Fahrenheit"<<endl;
cout<<fahrenheit1 <<" Fahrenheit"<<endl;
cout<<fahrenheit2 <<" Fahrenheit"<<endl;
cout<<fahrenheit3 <<" Fahrenheit"<<endl;
    return 0;
}
float CelsiusToFahrenheit(float celsius){
return (celsius * 9/5)+32;
}

When the above code is executed, it produces the following result

212 Fahrenheit
89.6 Fahrenheit
230.9 Fahrenheit
98.42 Fahrenheit

 

Convert Celsius into Fahrenheit –  Entered by user

Program 2

In this program, the user declares a double variable as a parameter for Celsius in the user-defined function. When the user runs the program (calling the function), the program is asked for the value for Celsius and stores the given value in the variable Celsius as an argument in the function.
Finally, the Fahrenheit value is calculated using scientific equations and displayed on the screen.

//C++ program to convert C into F using function
#include <iostream>
using namespace std;
float CelsiusToFahrenheit(float);

int main() {
    float celsius;
    // variable declaration
    // ask input from the user
    cout<<"Enter the temperature in celsius:";
    cin>>celsius;//reading the input
    //Calculate fahrenheit
    float fahrenheit=CelsiusToFahrenheit(celsius);
  
    //display result on the screen
    //by call the function
cout<<celsius<<" celsius"<<" equal to "<<fahrenheit <<" Fahrenheit"<<endl;
    return 0;
}
float CelsiusToFahrenheit(float celsius){
return (celsius * 9/5)+32;
}

When the above code is executed, it produces the following result

Enter the temperature in celsius:100.00
100 celsius equal to 212 Fahrenheit

 

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