EXHIBIT 12
                      W. R. GRACE & CO. AND SUBSIDIARIES
             COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND
             COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS
                          (in millions except ratios)
                                  (Unaudited)


                                                                                                             Three Months Ended
                                                                    Years Ended December 31,                        March 31,
                                                      ----------------------------------------------------   ----------------
                                                       1995 (b)    1994 (c)  1993 (d)   1992 (e)    1991       1996        1995 (f)
                                                      ---------   --------- ---------  ----------  -------   --------    ----------
                                                                                                    
Net (loss)/income from continuing operations.......   $(196.6)   $ (41.4)  $   19.1   $    1.4      $157.4   $   41.6      $22.9
    Add/(deduct):
    (Benefit from)/provision for income taxes......    (115.8)     (46.6)      10.1       79.9        99.1       24.4        8.5

    Income taxes of 50%-owned companies............         -          -         .1        2.1         1.5          -         -

    Equity in unremitted losses/(earnings)
      of less than 50%-owned companies.............        .8        (.6)       (.5)      (2.0)        (.9)        .2          -

    Interest expense and related financing costs,
      including amortization of capitalized interest    179.8      138.5      122.7      162.7       209.6       47.6       40.1

    Estimated amount of rental expense
      deemed to represent the interest factor......       8.5       10.1       11.3       14.0        12.7        2.8        2.5
                                                   ----------   --------  ---------   --------    --------  ---------    -------

(Loss)/Income as adjusted..........................   $(123.3)   $  60.0     $162.8     $258.1      $479.4     $116.6      $74.0
                                                      =======    =======     ======     ======      ======     ======      =====

Combined fixed charges and preferred stock dividends:
    Interest expense and related financing costs,
      including capitalized interest...............    $195.5     $143.2     $122.8     $176.3      $224.5     $53.1       $43.0

    Estimated amount of rental expense
      deemed to represent the interest factor......       8.5       10.1       11.3       14.0        12.7       2.8         2.5
                                                    ---------   --------   --------   --------    --------   -------     -------

Fixed charges......................................     204.0      153.3      134.1      190.3       237.2      55.9        45.5

Preferred stock dividend requirements (a)..........        .5         .5         .8         .8          .9        .2          .2
                                                    ---------   --------   --------   --------    --------   -------     -------

Combined fixed charges and preferred
   stock dividends.................................    $204.5     $153.8     $134.9     $191.1      $238.1     $56.1       $45.7
                                                    =========   ========   ========   ========    ========   =======     =======

Ratio of earnings to fixed charges.................      (g)        (g)        1.21       1.36        2.02      2.09        1.63
                                                    =========   ========   ========   ========    ========   =======     =======

Ratio of earnings to combined fixed charges
   and preferred stock dividends..................       (g)        (g)        1.21       1.35        2.01      2.08        1.62
                                                    =========   ========   ========   ========    ========   =======     =======


      (a)   For each period with an income tax provision, the preferred stock
            dividend requirements are increased to include the pretax earnings
            required to cover such requirements based on Grace's effective tax
            rate for that period.
      (b)   Includes pretax provisions of $275.0 for asbestos-related
            liabilities and insurance coverage; $220.0 relating to
            restructuring costs, asset impairments and other activities; $77.0
            for environmental liabilities at former manufacturing sites; and
            $30.0 for corporate governance activities.
      (c)   Includes a pretax provision of $316.0 relating to asbestos-related
            liabilities and insurance coverage.
      (d)   Includes a pretax provision of $159.0 relating to asbestos-related
            liabilities and insurance coverage.
      (e)   Includes a pretax provision of $140.0 relating to a fumed silica
            plant in Belgium.
      (f)   Includes a pretax provision of $20.0 for corporate governance
            activities.
      (g)   As a result of the losses incurred for the years ended December 31,
            1995 and 1994, Grace was unable to fully cover the indicated fixed
            charges.