Drake Equation Calculator
Estimate the number of communicating civilizations in the galaxy.
The Drake equation estimates how many detectable civilizations might exist in the Milky Way.
The math behind it
N multiplies seven factors from star formation rate to civilization lifetime. The huge uncertainty is in the later terms.
Worked example
The default optimistic values give about 54 civilizations.
FAQ
Is it a real prediction?
No — it's a framework for discussion; the factors are highly uncertain.