Temperature Conversion Worksheet - Franklin Township Public ... Temperature Conversion Worksheet. Formulas: Farenheit to Celsius. Co = 5/9(Fo-32) Celsius to Farenheit: Fo = 9/5 Co +32 . Celsius to Kelvin. Ko= Co + 273.15. Kelvin to Celsius: Co= Ko - 273.15. Use the formulas above to convert the temerpatures to different scales. Convert the following to Fahrenheit. 1) 10o C _____ 2) 30o C _____ 3) 40o C _____