Physics

Mass–Energy Equivalence

Energy equivalent of a mass.

Formula

Formula
E = m c2

Variables

SymbolDefinitionType & rangeUnitsRole
m mass (kg) real number (ℝ) kg input
c speed of light computed result — result

Try it yourself

Interactive calculator
Result
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Worked examples

Example 1
Givenmass (kg) = 0.001
Result89875517870000
Example 2
Givenmass (kg) = 1
Result89875517873681760