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# Program for Celsius To Fahrenheit conversion

• Difficulty Level : Medium
• Last Updated : 09 Sep, 2022

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(Â°F) = T(Â°C) Ã— 9/5 + 32

Below is the implementation of the above idea.

## C

 `/* C Program to convert temperature from Celsius to` ` ``* Fahrenheit*/` `#include `   `// 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 ` `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

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## Javascript

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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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