Exhibit 11

                          FARR COMPANY AND SUBSIDIARIES
                         EARNINGS PER SHARE CALCULATIONS
                                   (Unaudited)

As a result of the 3 for 2 stock split  distributed on March 28, 1997, per share
amounts for 1996 have been  restated to reflect the weighted  average  number of
shares of common stock  outstanding,  increased  by shares  issued for the stock
split.  The per share  amounts in 1996 are  calculated as though the stock split
occurred on the first day of the year.


                                               Three Months Ended                 Six Months Ended
                                           June 28, 1997  June 29, 1996     June 28, 1997  June 29, 1996
                                           -------------  -------------     -------------  -------------
BASIC EARNINGS PER SHARE CALCULATION:

                                                                                        
Earnings:
Net Income ................................  $1,826,000     $1,499,000        $3,526,000     $2,677,000
                                             ==========     ==========        ==========     ==========

Shares:
Weighted average number of common 
    common shares outstanding .............   5,469,246      5,438,484         5,469,246      5,438,484
                                             ==========     ==========        ==========     ==========

Net Income Per Common Share ...............  $     0.33     $     0.28        $     0.64     $     0.49
                                             ==========     ==========        ==========     ==========

PRIMARY EARNINGS PER SHARE CALCULATION:   

Earnings:
Net Income ................................  $1,826,000     $1,499,000        $3,526,000     $2,677,000
                                             ==========     ==========        ==========     ==========

Shares
Weighted average number of common
    shares outstanding ....................  5,469,246       5,438,484         5,469,246      5,438,484

Assuming exercise of options reduced by
    the number of shares which could
    have been purchased with the proceeds 
    from exercise of such options .........    163,676          71,061           163,676         71,061
                                             ---------      ----------        ----------     ----------

Weighted average number of
    common shares and dilutive
    common share equivalents
    outstanding ...........................  5,632,922       5,509,545         5,632,922      5,509,545
                                            ==========      ==========        ==========     ==========

Net Income Per Common Share ............... $     0.32      $     0.27        $     0.62     $     0.48
                                            ==========      ==========        ==========     ==========