                                                             k   
       k 
    ＝ 1.38×10－23      
                            \      J \ K     4—3 
         T           2\3        

                                                        TK                                K     Kº              K     
                                                                     oK                                    
          —               t℃  273.15            TK  
     TK＝ t℃＋273.15                                                              4—7 
                  5\9             t ºF   
       TK＝ 5 \ 9  t º F ＋459.67                                                           4—8 
        
       t℃＝ 5 \ 9   t º F －32                                                              4—9 
    
      oK＝－237.15℃＝－459.67º F                                                   4—10 
              
     273.15K＝0℃＝32º F                                                               4—11 
              
     373.15K＝100℃＝212º F