The Formula

ER Formula

ER = (reactions + forwards + comments + star reactions) / views × 100%
Channel OS applies this to every post automatically. The channel-wide ER is the average across all posts in the selected period.

Benchmarks by Channel Size

15–30%
Under 1K subscribers
5–15%
1K – 10K
2–7%
10K – 100K
1–3%
Over 100K

Benchmarks by Niche

NicheTypical ERWhy
Tech / SaaS4–10%High-intent professional audience
Finance / Crypto3–8%Engaged, decision-focused readers
Education5–12%Active learners forward content
News1–4%Passive consumption is normal
Entertainment2–6%Reactions high, forwards lower

Why ER Beats Subscriber Count

A channel with 5,000 subscribers and 8% ER delivers more ad value than a channel with 50,000 subscribers and 0.8% ER. Advertisers pay for engaged eyeballs — not ghost followers. ER is also the primary fraud detection signal: a channel that bought subscribers cannot hide it in their ER for long.

5 Ways to Improve ER

  1. Post at optimal times — use Channel OS heatmap to find when your audience is active.
  2. Use engagement formats — polls, strong opinions, surprising statistics, "save this" posts.
  3. Be consistent — 3–5 quality posts per week outperforms daily posting followed by silence.
  4. Reply to comments — channels with active authors get 2× more comments per post.
  5. Never buy subscribers — it permanently dilutes ER. There is no recovery.
Pro tip

Sort your last 50 posts by ER in Channel OS. Your top 5 reveal the format and topic combination your audience responds to most. Replicate that pattern.

Try Channel OS free

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