Temperature Convert (Fahrenheit ⇋ Kelvin)

import java.util.*;
public class TemperatureFK
{
    public static void main(String args[])
    {
        int choice=0;
        double k,f=0.0;
        Scanner sc=new Scanner(System.in);
        System.out.println("1- To convert Fahrenheit to Kelvin");
        System.out.println("2- To convert Kelvin to Fahrenheit");
        System.out.print("Enter your choice: ");
        choice=sc.nextInt();
        switch(choice)
        {
            case 1:
            {
                System.out.print("Temperature in Fahrenheit: ");
                f=sc.nextDouble();
                k=((f-32)*5)/9;
                k=k+273.15;
                System.out.println("Temperature in Kelvin: "+k);
                break;
            }
            case 2:
            {
                System.out.print("Temperature in Kelvin: ");
                k=sc.nextDouble();
                k=k-273.15;
                f=((k*9)/5)+32;
                System.out.println("Temperature in Fahrenheit: "+f+" °F");
                break;
            }
            default:
            {
                System.out.println("Invalid Input");
            }
        }
    }
}