Coulomb's Law Calculator

Coulomb's Law Calculator

Calculate electrostatic force between charges

📖 Coulomb's Law

The Coulomb's Law 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

  • Formula: F = k × q₁q₂ / r²
  • k = 8.99 × 10⁹ N⋅m²/C²
  • Like charges repel, unlike attract
  • Force decreases with square of distance
  • Fundamental law of electrostatics
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