Approximate Temperature Conversions  
    Celsius or  
        Fahrenheit   Centigrade  
  Coldest Area of Freezer -10     -23    
  Water Freezes   32     0    
  Candy Doneness          
  Soft Ball     234 to 240   112 to 115  
  Firm Ball     242 to 248   118 to 120  
  Hard Ball     250 to 268   121 to 130  
  Oven Temperature          
  Very Slow Oven 250 to 275   120 to 140  
  Slow Oven   300 to 325   150 to 160  
  Moderate Oven   350 to 375   180 to 190  
  Hot Oven     400 to 425   200 to 220  
  Very Hot Oven   450 to 475   230 to 240  
  Extremely Hot Oven 500 to 525   260 to 270  
   
  To Convert Fahrenheit into Celsius  
  Subtract 32, Multiply by 5 and Divide by 9  
   
  To Convert Celsius to Fahrenheit  
  Multiply by 9, Divide by 5 and Add 32  
   
                   
  100 C x 9 = 900   212 F - 32 = 180    
  900 5 = 180   180 x 5 = 900    
  180 + 32 = 212     900 9 = 100    
       
  Conversion Equations    
    5 9C    
  Celsius = x (F-32) Fahrenheit = 32  
    9         5