Drake Equation Calculator

Estimate the number of communicative civilizations in our galaxy using the Drake equation. Calculate potential extraterrestrial intelligence.

Input Parameters

Star Formation Rate (R*)

Fraction with Planets (fₚ)

Habitable Planets per Star (nₑ)

Life Development Fraction (fₗ)

Intelligence Fraction (fᵢ)

Communicative Fraction (f꜀)

Civilization Lifetime (L)

Results

Enter values and click Calculate

About Drake Equation Calculator

The Drake equation estimates the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy based on multiple probability factors.