Exhibit 12.

                                MOBIL CORPORATION
                COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
                                  (In millions)

                                                                            Six
                                                                           Months
                                                                           Ended
                                     Year Ended December 31,              June 30,
                              __________________________________________  ________ 
                                1990     1991     1992     1993     1994      1995
                              ______   ______   ______   ______   ______    ______
                                                          
Income Before Change in 
  Accounting Principle(s)..   $1,929   $1,920   $1,308   $2,084   $1,759    $  815
Add:
Income taxes ..............    2,515    2,105    1,567    1,931    1,919       995
Portion of rents
  representative of
  interest factor .........      342      344      319      339      340       170
Interest and debt
  discount expense ........      700      713      612      529(a)   461       232
Earnings (greater) less 
  than dividends from  
  equity affiliates........     (100)    (151)      36      265      (40)      (18)
                              ------   ------   ------   ------   ------    ------

Income as Adjusted ........   $5,386   $4,931   $3,842   $5,148   $4,439    $2,194
                              ======   ======   ======   ======   ======    ======
Fixed Charges:
Interest and debt 
  discount expense ........   $  700   $  713   $  612   $  529(a)$  461    $  232
Capitalized interest ......        7       20       42       42       37        17
Portion of rents 
  representative of
  interest factor .........      342      344      319      339      340       170
                              ------   ------   ------   ------   ------    ------
Total Fixed Charges .......   $1,049   $1,077   $  973   $  910   $  838    $  419
                              ======   ======   ======   ======   ======    ======
Ratio of Earnings to
  Fixed Charges ...........      5.1      4.6      3.9      5.7(a)   5.3       5.2
                              ======   ======   ======   ======   ======    ======


Note:
  For the years ended December 31, 1991, 1992, 1993, 1994 and the six months
ended June 30, 1995, Fixed Charges exclude $42 million, $37 million, 
$31 million, $37 million and $15 million, respectively, of interest expense
attributable to debt issued by the Mobil Oil Corporation Employee Stock 
Ownership Plan Trust and guaranteed by Mobil.


(a)  Excludes the favorable effect of $205 million of interest benefits from the
     resolution of prior-period tax issues.

MOBIL                             - 24 -