INTERACTIVE

Drake Equation Calculator

Estimate the number of active, communicative civilizations in the Milky Way using this probabilistic framework.

N = R* × fp × ne × fl × fi × fc × L
R* Star Formation Rate (stars/year)
1.5
fp Fraction of Stars with Planets
1.00
ne Habitable Planets per System
0.2
fl Fraction where Life Emerges
0.13
fi Fraction with Intelligence
1.00
fc Fraction with Detectable Technology
0.20
L Longevity of Communicative Phase (Years)
1,000,000,000

(Logarithmic Scale: 10² to 10¹⁰ years)

Communicative Civilizations (N)
0

Estimated in the Milky Way Galaxy