C Program to convert Celsius to Fahrenheit

Table of Contents

C Program to convert the temperature Celsius to Fahrenheit. It is easier to develop programs using IDE. In this tutorial, we will use Code::Blocks IDE.

https://www.testingdocs.com/download-and-install-codeblocks/

C Program

Celsius to Fahrenheit

#include<stdio.h>
int main()
{
 float f,c;
 int choice;
 printf("--- Menu ---\n");
 printf("1. Celsius to Fahrenheit.\n");
 printf("2. Fahrenheit to Celsius.\n");
 printf("Enter choice :");
 scanf("%d",&choice);
 if(choice == 1)
 {
 printf("Enter the Temperature in Celsius :");
 scanf("%f",&c);
 f=(c*9)/5+32;
 printf("Temperature in Fahrenheit is:%.2f",f);
 }
 else if(choice ==2)
 {
 printf("Enter the Temperature in Fahrenheit :");
 scanf("%f",&f);
 c=(f- 32)*5/9;
 printf("Temperature in Celsius is:%.2f",c);
 }
 else
 {
 printf("INVALID option.");
 }
 return 0;
}

Program Output