How to Convert Fahrenheit to Celsius in Java

Convert Fahrenheit to Celsius

To Convert Fahrenheit to Celsius:

• Take the temperature in Fahrenheit subtract 32.
• Divide by 1.8.
• The result is degrees Celsius.

public class Main {
//from  w  w  w .ja v  a2s  .c om
  public static void main(String[] args) {
    for (int i=-40; i<=120; i+=10) {
      float c = (i-32)*(5f/9);
      System.out.println("fahrenheit "+i + " to celsius " + c);
    }
  }
}

The code above generates the following result.

To Convert Celsius to Fahrenheit

• Take the temperature in Celsius and multiply 1.8.
• Add 32 degrees.
• The result is degrees Fahrenheit.