Knowledge Base & Terminology
SaaS & Waitly Knowledge Glossary
Comprehensive, evidence-backed reference guides to essential Pre-Launch Waitlist & Viral Growth metrics, architectures, and formulas.
Growth Economics
Reference
Viral Coefficient (K-Factor)
The metric measuring the number of new users generated by each existing user through referral links and invites.
Formula: K-Factor = Invites Sent per User * Conversion Rate of Invites
K = 0.2 is average; K = 0.5 is strong viral loop; K > 1.0 represents exponential organic growth.
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