C Program to Convert Celsiaus to Fahrenheit

In this C program, we first provide an introduction to the converter. Then we state the problem, which is to convert a temperature in Celsius to Fahrenheit.

Problem Statement

Next, we declare two variables: celsius and fahrenheit. The user is prompted to enter a temperature in Celsius using the printf function. The input is then read and stored in the celsius variable using the scanf function.

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#include <stdio.h>

int main() {
    // Intro
    printf("Celsius to Fahrenheit Converter\n");

    // Problem Statement
    printf("Problem: Convert a temperature in Celsius to Fahrenheit.\n");

    // Program
    float celsius, fahrenheit;

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

    // Conversion
    fahrenheit = (celsius * 9 / 5) + 32;

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

    return 0;
}

How it works

we prompt the user to enter the temperature in Celsius using the printf function. The scanf function is then used to read and store the input value in the celsius variable.

To convert Celsius to Fahrenheit, we use the formula (celsius * 9 / 5) + 32 and store the result in the fahrenheit variable.

To help the user understand the conversion process, we print an explanation of the formula being used.

Finally, we display the original temperature in Celsius and the equivalent temperature in Fahrenheit using the printf function, with the format specifier %.2f to display the values with two decimal places.

When executed, the program will ask the user for a temperature in Celsius, perform the conversion, and then display the result in Fahrenheit along with an explanation of the conversion process.

Input / Output