Millipore Corporation
                                    Exhibit 11
                        Computation of Earnings Per Share
                      (In Thousands Except Per Share Data)
                                         Years Ended December 31,
Calculation of shares:        1994         1993          1992
Weighted average of shares                               
outstanding during the year   27,363 (b)   27,951 (b)    28,242 (b)
                                                         
Shares outstanding from                                  
 assumed exercise of stock     2,028          970         1,476
option
                                                         
(Treasury Method)             (1,428)        (873)       (1,268)
                                                         
Weighted average shares and                              
 common stock equivalents                                
 outstanding during the year  27,963 (a)   28,048 (a)    28,450 (a)
                                                         
Additional shares assumed                                
 exercised with full               0            0             0
dilution
                                                         
Weighted average of shares                               
 used in calculation of                                  
fully
 diluted earnings per share $ 27,963(a)  $ 28,048(a)   $ 28,450(a)
                                                         
Net Income                  $ 56,209     $ 34,603      $ 33,183
                                                         
Earnings per common share as                             
 reported in  the                                        
Consolidated
 Financial Statements       $    2.05    $    1.24    $    1.17
                                                         
Primary earnings per common $    2.01(a) $    1.23(a) $    1.16(a)
share                         
                                                         
Net fully diluted earnings                               
per common share            $    2.01(a) $    1.23(a) $    1.16(a)
                              
                                                         
(a)These calculations are submitted in accordance
with Securities Exchange Act of 1934 Release N.
9083 although not required by APB No. 15 because
they result in dilutions of less than 3%.

(b)Represents weighted average of shares
outstanding used in the earnings per share
calculations.  Common stock equivalents for 1994,
1993, and 1992 were not included in the weighted
average share computation as they were less than
3% dilutive.