C Program to Convert Celsius to Fahrenheit Using Functions

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In the realm of programming, mastering the art of writing efficient and modular code is crucial. The conversion of temperature units, such as Celsius to Fahrenheit, is a common task that can be elegantly accomplished using C programming with the implementation of functions.

C Program to Convert Celsius to Fahrenheit

Understanding Celsius to Fahrenheit Conversion

The conversion formula from Celsius to Fahrenheit is

F = 5/9×C+32

Where F represents the temperature in Fahrenheit, and C represents the temperature in Celsius

C Program to Convert Celsius to Fahrenheit Using Functions

Let’s write a C program that incorporates a function to convert Celsius to Fahrenheit –

#include <stdio.h>

float celsiusToFahrenheit(float celsius) {
    return (celsius * 9 / 5) + 32;
}

void main() {
    float celsius, fahrenheit;

    printf("Enter temperature in Celsius: ");
    scanf("%f", &celsius);

    fahrenheit = celsiusToFahrenheit(celsius);

    printf("%.2f Celsius is equal to %.2f Fahrenheit\n", celsius, fahrenheit);

}

Output

C Program to Convert Celsius to Fahrenheit Using Functions

How the Above C Program Works

  • The celsiusToFahrenheit() function takes a temperature value in Celsius as input and returns the equivalent temperature in Fahrenheit using the conversion formula.
  • In the main() function, the user inputs the temperature in Celsius.
  • The program then calls the celsiusToFahrenheit() function, passing the Celsius temperature entered by the user as an argument.
  • Finally, the program displays the converted temperature in Fahrenheit to the user.

The creation of a C program to convert Celsius to Fahrenheit using functions exemplifies the significance of modular programming. By encapsulating the conversion logic within a function, programmers can write cleaner, more maintainable code, facilitating easier debugging and modification.

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