What is a good engagement rate?

It depends heavily on platform and account size. As rough benchmarks: Instagram 1–5%, TikTok 4–18%, Twitter/X 0.5–2%, Facebook 0.2–1%, LinkedIn 1–5%, YouTube 2–8%. Smaller accounts consistently outperform larger ones because their audiences are more tightly niched.

Which engagement rate formula should I use?

ER by reach (engagements ÷ unique accounts reached) is the most accurate measure of content effectiveness. ER by followers is easier to track over time and is the standard for influencer benchmarking. ER by impressions suits paid-media analysis. ER by views is the norm for video content on TikTok and YouTube.

What counts as an engagement?

An engagement is any deliberate interaction with a piece of content. The standard set is likes + comments + shares + saves + link clicks + extra reactions (e.g. Facebook emoji reactions). Some definitions exclude clicks; others include story replies. This calculator lets you include or exclude each type individually.

Why is my engagement rate dropping even though likes are growing?

Absolute likes can grow while ER falls if your follower count or reach is growing faster. ER is a ratio, so a 10% increase in likes combined with a 30% increase in followers produces a lower ER. This is normal at scale — compare yourself against accounts of a similar size.

How do I improve a low engagement rate?

The highest-leverage levers are: (1) post at the time your audience is most active; (2) write a hook in the first line that creates curiosity or stakes; (3) end with a direct call-to-action (a question works well); (4) reply to every comment in the first hour to feed the algorithm; (5) use Stories or Reels which typically earn higher ER than static posts on Instagram.

Is this calculator accurate for paid posts?

For organic posts, yes. For paid (boosted or ad) posts, reach and impressions include audiences who have no relationship with your account, which mechanically deflates ER. Most practitioners calculate paid and organic ER separately to avoid mixing the two signals.

Engagement Rate Calculator

Engagement rate (ER) is the single most-watched metric in social media marketing — it tells you what proportion of the people who saw your content actually interacted with it. A high reach with zero engagement is just noise; a modest reach with strong engagement is a community. This calculator handles every common variant of the formula across all major platforms, so you can stop arguing about which denominator to use and start comparing apples with apples.

How it works

The core formula is deliberately simple:

ER = Total Engagements ÷ Denominator × 100

“Total engagements” is the sum of all deliberate interactions you count: likes, comments, shares, saves, link clicks, and any extra platform-specific reactions. The denominator is what you choose to divide by, and that choice matters:

ER by Reach — divide by the number of unique accounts who saw the post. This is the purest measure of how compelling the content was, because reach removes the audience-size variable entirely.
ER by Followers — divide by follower count at the time of posting. This is the industry standard for influencer benchmarking and is easy to track over time even if you do not have reach data.
ER by Impressions — divide by total impressions (including repeat views). Impressions are always larger than reach, so this method always produces a lower ER. It suits paid-media analysis where you care about cost per impression.
ER by Views — the natural denominator for video content on TikTok, YouTube Shorts and Instagram Reels.

The multi-post average option divides total engagements by the number of posts first, then divides by the denominator. This gives you a campaign-level ER rather than a single-post figure.

Worked example

An Instagram post with 320 likes, 48 comments, 15 shares, and 22 saves on an account with 12,400 followers:

Total engagements = 320 + 48 + 15 + 22 = 405
ER by followers = 405 ÷ 12,400 × 100 = 3.27%

The healthy range for Instagram is 1–5%, so 3.27% falls comfortably inside the Good band. If the same post had a reach of 5,800 (a typical 47% reach rate for a 12k account), the ER by reach would be 405 ÷ 5,800 × 100 = 6.98% — above the benchmark ceiling, which means the content resonated strongly with the people who actually saw it.

Platform	Metric	Engagements	Denominator	ER
Instagram	by followers	405	12,400	3.27%
Instagram	by reach	405	5,800	6.98%
TikTok	by views	1,200	18,000	6.67%
LinkedIn	by followers	180	8,500	2.12%

Formula note

The formula used throughout is:

ER (%) = (Likes + Comments + Shares + Saves + Clicks + Reactions) / Denominator × 100

Platform benchmarks are drawn from published industry studies (Rival IQ, Hootsuite, Sprout Social) and reflect median figures for accounts in the 10k–100k follower range. Benchmarks are directional guides, not hard rules — a niche B2B LinkedIn account and a viral meme page are not comparable even at the same follower count.