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                                                            EXHIBIT 12
                                                                         
                            AMOCO CORPORATION
                         ______________________

             STATEMENT SETTING FORTH COMPUTATION OF RATIO OF
                        EARNINGS TO FIXED CHARGES
                  (millions of dollars, except ratios)

                             Nine     
                           Months
                             Ended           Year Ended December 31,
                           Sept. 30,  
                             1997       1996    1995     1994     1993    1992
                                                                        
Determination of Income:                                                
  Consolidated earnings                                                 
    before income taxes                                                 
    and minority interest    $2,737   $3,965  $2,404   $2,491   $2,506  $  998
  Fixed charges expensed                                                
    by consolidated                                                     
    companies............       328      412     406      316      350     376
  Adjustments for certain                                               
    companies accounted                                                 
    for by the equity                                                   
    method...............        51       69      25        7       11      28
                                                                        
  Adjusted earnings plus                                                
    fixed charges........    $3,116   $4,446  $2,835   $2,814   $2,867  $1,402
                                                                        
Determination of Fixed Charges:                                        
  Consolidated interest                                                 
    on indebtedness                                                     
    (including interest                                                 
    capitalized).........    $  261   $  317  $  317   $  288   $  299  $  333
  Consolidated rental                                                   
    expense representa-                                                 
    tive of an interest                                                 
    factor...............        79      107      89       23       50      44
  Adjustments for certain                                               
    companies accounted                                                 
    for by the equity                                                   
    method...............         6        8       6        5        8      20
                                                                        
  Total fixed charges....    $  346   $  432  $  412   $  316   $  357  $  397
                                                                        
Ratio of earnings to                                                    
  fixed charges..........       9.0     10.3     6.9      8.9      8.0     3.5
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