Community Size Calculator

The engagement factor is calculated as 0.05 plus (content relevance / 100) times 0.1, then capped at 0.15 with Math.min. Even a content relevance score of 100 only pushes the factor to its 15% ceiling, which reflects the reality that most people exposed to your content, however good it is, never become genuinely engaged followers — the model builds in that ceiling deliberately rather than letting content quality scale conversion without limit.

Core advocates apply a second, smaller conversion on top of engaged community — 1% plus (content relevance / 100) times 2%, so it ranges from 1% to 3% of the engaged community rather than of the full reachable audience. This models advocates as a subset carved out of people who are already engaged, not a separate pool pulled directly from your broader reach.

It's simply addressable audience divided by current engaged community, expressed as a multiple. A growth potential of 10x means your addressable audience is ten times larger than the community you've actually engaged so far — it's a headroom indicator showing how much room exists to grow engagement within the audience you can already reach, not a prediction of how fast you'll get there.

Addressable audience multiplies total market size by both the target demographic percentage and platform penetration percentage together, and every downstream number — reachable audience, engaged community, core advocates — is derived from that addressable figure. Because the two percentages compound multiplicatively against a potentially very large total market size, small adjustments near the top of the funnel produce proportionally large swings in every output below it.