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931.5 conversion factor

  1. May 22, 2012 #1
    Hi, could someone explain why [itex] 1amu=931.5MeV/c^2 [/itex]? Thanks
  2. jcsd
  3. May 22, 2012 #2


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    Staff: Mentor

    1. Look up the conversion factor between amu and kg.

    2. Recall that E = mc2.

    3. Finally, look up the conversion factor between joules and electron volts (eV).
  4. May 22, 2012 #3
    Thank you: I see how it works now
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