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E = mc² Calculator
Calculate energy from mass using Einstein's famous equation
📖 Mass-Energy Equivalence
The Mass-Energy Equivalence estimates the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. It multiplies several factors: star formation rate, fraction with planets, habitable planets per star, etc.
📊 Result
💡 Tips & Information
- E = mc², where c is speed of light
- c = 299,792,458 m/s
- 1 kg of mass = 8.99 × 10¹⁶ J
- Nuclear reactions convert mass to energy
- Basis for nuclear power and weapons