C Program to Convert Celsius to Fahrenheit

#include<stdio.h>
int main()
{
    float cel, fah;
    printf("Enter temperature in Celsius: ");
    scanf("%f",&cel);

    fah = (cel * 9/5) + 32;

    printf("%.2f Celsius = %.2f Fahrenheit", cel, fah);

    return 0;
}

Output

Enter temperature in Celsius: 25
25.00 Celsius = 77.00 Fahrenheit