Exhibit 11.0

                             BTU INTERNATIONAL, INC.
         CALCULATION OF NET LOSS PER COMMON AND COMMON EQUIVALENT SHARE
             (Dollars in thousands, except share and per share data)



                                   For the Three Months Ended      For the Six Months Ended
                                   --------------------------      ------------------------
                                     June 29,      June 30,         June 29,     June 30,
                                       2003          2002             2003         2002
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Net loss                            $(1,863)       $(1,465)         $(3,636)     $(2,766)

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Net loss applicable to
     common stockholders            $(1,863)       $(1,465)         $(3,636)     $(2,766)
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Weighted average number of
  shares outstanding:

     Basic Shares                 7,002,578      6,870,244        7,002,578    6,855,551
     Effect of Dilutive Options           0              0                0            0
- -------------------------------------------------------------------------------------------

     Diluted Shares               7,002,578      6,870,244        7,002,578    6,855,551
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Loss per Share

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     Basic                           $(0.27)        $(0.21)           (0.52)      $(0.40)

     Diluted                         $(0.27)        $(0.21)           (0.52)      $(0.40)