Nuclear Binding Energy Calculator
Calculate nuclear binding energy from mass defect using E=mc²
Common Nuclei
Helium-4: Z=2, N=2
Carbon-12: Z=6, N=6
Oxygen-16: Z=8, N=8
Iron-56: Z=26, N=30
Uranium-235: Z=92, N=143
Uranium-238: Z=92, N=146
Formulas Used
Mass defect: Δm = Z·m_p + N·m_n - M_nucleus
Binding energy: E_B = Δm × c² = Δm × 931.5 MeV/u
1 u = 931.5 MeV/c²
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: University Physics
by Young & Freedman
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.