basic

Nuclear Binding Energy from Mass Defect Calculator

BE = Δm·c² — energy released when nucleus forms.

Calculates nuclear binding energy BE = Δm·c² from the mass defect Δm = Z·m_p + N·m_n − M_nucleus, expressed in MeV (1 u = 931.494 MeV/c²).

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

u

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

BE = Δm · c² = Δm · 931.494 MeV/u

In depth

Calculates nuclear binding energy BE = Δm·c² from the mass defect Δm = Z·m_p + N·m_n − M_nucleus, expressed in MeV (1 u = 931.494 MeV/c²).