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Program for Celsius To Fahrenheit conversion

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  • Difficulty Level : Medium
  • Last Updated : 09 Sep, 2022
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Given a Temperature N on the Celsius scale, your task is to convert it into a Fahrenheit scale.

Examples: 

Input: 0
Output: 32

Input: -40
Output: -40

The formula for converting the Celsius scale to the Fahrenheit scale is: 

 T(°F) = T(°C) × 9/5 + 32

Below is the implementation of the above idea.

C




/* C Program to convert temperature from Celsius to
 * Fahrenheit*/
#include <stdio.h>
 
// function for conversion
float celsius_to_fahrenheit(float N)
{
    return ((N * 9.0 / 5.0) + 32.0);
}
 
// Driver code
int main()
{
    float N = 20.0;
 
    // Function call
    printf("Temperature in Fahrenheit : %0.2f",
           celsius_to_fahrenheit(N));
    return 0;
}


C++




// C++ program to convert Celsius
// scale  to Fahrenheit scale
#include <bits/stdc++.h>
using namespace std;
 
// function to convert Celsius
// scale to Fahrenheit scale
float Cel_To_Fah(float N)
{
    return ((N * 9.0 / 5.0) + 32.0);
}
 
// Driver code
int main()
{
    float N = 20.0;
   
      // Function call
    cout << Cel_To_Fah(N);
    return 0;
}


Java




// Java program to convert Celsius
// scale to Fahrenheit scale
 
class GFG {
   
    // function to convert Celsius
    // scale to Fahrenheit scale
    static float Cel_To_Fah(float N)
    {
        return ((N * 9.0f / 5.0f) + 32.0f);
    }
 
    // Driver code
    public static void main(String[] args)
    {
        float N = 20.0f;
       
          // Function call
        System.out.println(Cel_To_Fah(N));
    }
}
 
// This code is contributed by Anant Agarwal.


Python3




# Python code to convert Celsius scale
# to Fahrenheit scale
 
 
def Cel_To_Fah(n):
 
    # Used the formula
    return (n*1.8)+32
 
 
# Driver Code
if __name__ == "__main__":
  n = 20
 
  # Function call
  print(int(Cel_To_Fah(n)))
 
# This code is contributed by Chinmoy Lenka


C#




// C# program to convert Celsius
// scale to Fahrenheit scale
using System;
 
class GFG {
 
    // function to convert Celsius
    // scale to Fahrenheit scale
    static float Cel_To_Fah(float N)
    {
        return ((N * 9.0f / 5.0f) + 32.0f);
    }
 
    // Driver code
    public static void Main()
    {
        float N = 20.0f;
       
          // Function call
        Console.Write(Cel_To_Fah(N));
    }
}
 
// This code is contributed by Nitin Mittal.


PHP




<?php
// PHP program to convert Celsius
// scale to Fahrenheit scale
 
// function to convert Celsius
// scale to Fahrenheit scale
function Cel_To_Fah($n)
{
    return (($n * 9.0 / 5.0) + 32.0);
}
 
    // Driver Code
    $n = 20.0;
    echo Cel_To_Fah($n);
     
// This code is contributed by nitin mittal
?>


Javascript




<script>
 
// Javascript program to convert Celsius
// scale to Fahrenheit scale
 
// function to convert Celsius
// scale to Fahrenheit scale
function Cel_To_Fah(n)
{
    return ((n * 9.0 / 5.0) + 32.0);
}
 
// driver code
 
    let n = 20.0;
    document.write(Cel_To_Fah(n));
 
 
// This code is contributed by Mayank Tyagi
 
</script>


Output

Temperature in Fahrenheit : 68.00

Time Complexity: O(1), as we are performing simple mathematical operations
Auxiliary Space: O(1), as we are not using any extra space


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