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The 27 pages that link to Mass–energy equivalence, each with the reason it gives.

• Albert EinsteinRelated: Einstein derived this relation from special relativity, expressed in the equation E = mc².

• Special relativityRelated: It follows from relativistic energy and momentum and explains energy released in reactions.

• Conservation of energyRelated: Relativistic energy accounting includes rest energy as well as other forms.

• MassRelated: It shows mass is not a separate, immutable store apart from energy.

• Nuclear binding energyRelated: It converts a nucleus’s mass defect into its binding energy.

• First law of thermodynamicsRelated: In relativistic settings, conservation includes mass-energy rather than treating mass and energy separately.

• Conservation lawRelated: It shows why mass alone need not remain constant when energy changes.

• EnergyRelated: It extends energy accounting to include a system’s rest mass.

• Lise MeitnerRelated: Meitner used the relation to estimate the energy corresponding to the mass difference in fission.

• Invariant massRelated: It converts the system’s center-of-momentum energy into its invariant mass.

• Schwarzschild radiusRelated: It connects a black hole’s mass to the energy scale represented by its horizon.

• Lorentz factorRelated: The Lorentz factor extends rest energy to total energy through E = γmc².

• Mass defectRelated: It converts the mass difference between bound and free nucleons into binding energy.

• Pound (mass)Related: It clarifies why mass is a physical property, not simply an object's amount of matter.

• Matter (physics)Related: It shows why matter is not wholly separate from energy.

• Algebraic equationRelated: This famous equation shows algebraic equality expressing a quantitative physical law.

• Electron massRelated: It converts the electron’s mass into its rest energy.

• Energy–momentum relationRelated: The relation extends this rest-energy result to particles carrying momentum.

• John CockcroftRelated: The measured energy released in the lithium reaction agreed with the mass decrease predicted by this relation.

• Relativistic mechanicsRelated: It explains why changes in a body's energy alter its inertial mass.

• Annalen der PhysikRelated: Einstein's short 1905 paper in the journal established this relation.

• Decay energyRelated: It converts the parent–product mass difference into released energy.

• Whole-number ruleRelated: It explains why nuclear binding changes mass instead of preserving an exact integer sum.

• Geometrized unit systemRelated: With light speed set to one, mass and energy share the same units.

• RelativityRelated: Special relativity makes mass a form of energy with measurable consequences.