Fahrenheit to celsius conversion?

Question

Hi, how do i convert Fahrenheit to Celzius. But not the actual temperature. I need difference in temperature. For example, the temperature in the USA wil rise up to 1.4F a year. Can you convert the following values:

1,4 degrees F, 4 degrees F and 7 degrees Fahrenheit. I just want to check.

Answer 1

convertit.com

Answer 2

( temp. in Fahrenheit-32)divided by 9 times 5

((Fahrenheit-32) / 9) x 5= Celsius

Answer 3

http://www.wbuf.noaa.gov/tempfc.htm

Answer 4

http://www.wbuf.noaa.gov/tempfc.htm

Calculator kind of.

http://www.usatoday.com/weather/wtempcf....

Explains it out.