1
                                                                      Exhibit 11

                          TRW Inc. and Subsidiaries
                          --------------------------
                COMPUTATION OF EARNINGS PER SHARE - UNAUDITED
                ---------------------------------------------

                     (In Millions Except Per Share Amounts)




                                                            Nine Months Ended September 30
                                                            ------------------------------
PRIMARY                                                         1995              1994 
- -------                                                        ------            ------
                                                                              
Net earnings                                                   $331.4            $232.5
Less preference dividend requirements                             0.5               0.5
                                                               ------            ------
Net earnings applicable to common shares                                               
    and common share equivalents                               $330.9            $232.0
                                                               ======            ======
                                                                                       
Average common shares outstanding                                65.2              64.5
Stock options and performance share rights,                                            
    based on the treasury stock method using                                           
    average market price                                          1.4               0.7
                                                               ------            ------
Average common shares and common share                                                 
    equivalents                                                  66.6              65.2
                                                               ======            ======
                                                                                       
Primary earnings per share                                     $ 4.97            $ 3.56
                                                               ======            ======
                                                                                       
                                                                                       
FULLY DILUTED                                                                          
- -------------                                                                          
Net earnings applicable to common                                                      
    shares and common share equivalents                        $330.9            $232.0
                                                                                       
Dividends assuming conversion of other                                                 
    dilutive securities:   (A)                                                         
       Dilutive preference dividends                              0.5               0.5
                                                               ------            ------
Net earnings applicable to fully diluted shares                $331.4            $232.5
                                                               ======            ======
                                                                                       
Average common shares outstanding                                65.2              64.5
                                                                                       
Common shares assuming conversion of                                                   
     other dilutive securities:   (A)                                                  
        Dilutive preference shares                                0.6               0.7
                                                                                       
        Stock options and performance share rights,                                    
            based on the treasury stock method using                                   
            closing market price if higher than                                        
            average market price                                  1.4               0.8
                                                               ------            ------
                                                                                       
Average fully diluted shares                                     67.2              66.0
                                                               ======            ======
                                                                                       
Fully diluted earnings per share                               $ 4.94            $ 3.52
                                                               ======            ======


(A)  Assuming the conversion of the Serial Preference Stock II - Series 1 and 
     Series 3.