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

Worked examples

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