# What is engagement rate?

Canonical: https://postmesh.app/glossary/engagement-rate

By PostMesh team. Published 2026-10-31; updated 2026-10-31.

Engagement rate is the share of people who interacted with a post or account: interactions such as likes, comments, shares and saves, divided by followers, reach or impressions, times 100. The denominator you pick changes the result, so always say which one you used.

## What engagement rate means

Engagement rate tells you how much a post made people do something, relative to how many people it could have reached. A raw count of likes doesn't do that on its own: 500 likes is a lot for an account with 2,000 followers and very little for one with two million. Dividing by an audience number puts both on the same scale.

Every engagement rate has two parts. The top is interactions: likes, comments, shares, saves, and on some networks clicks or reposts. The bottom is an audience number: followers, reach or impressions. Neither part is standardized across networks or tools, which is why two people can report 3% and 9% for the same post and both be right.

## The three engagement rate formulas

All three multiply by 100 to turn the ratio into a percentage. They differ only in what you divide by.

| Formula | Calculation | Best for | Who can calculate it |
| --- | --- | --- | --- |
| By followers | Interactions ÷ followers × 100 | Comparing accounts, including competitors | Anyone, from public numbers |
| By reach | Interactions ÷ reach × 100 | Judging how good one post was | Only the account owner |
| By impressions | Interactions ÷ impressions × 100 | Matching LinkedIn and X reporting | Only the account owner |

Take one post with 120 interactions, from an account with 4,000 followers. The post reached 1,500 people and was shown 2,000 times. By followers it's 120 ÷ 4,000 × 100 = 3%. By reach it's 120 ÷ 1,500 × 100 = 8%. By impressions it's 120 ÷ 2,000 × 100 = 6%. Same post, three honest answers.

- By followers is what most published benchmarks use, because follower counts and like counts are public. Its weakness: not every follower sees every post, and posts can reach people who don't follow you, so a post that spreads widely can show a rate above 100%.
- By reach only counts people who actually saw the post, so it's the fairest test of the post itself. Reach is private and estimated; Meta's Instagram reference describes reach as an estimate of how many different accounts saw a post.
- By impressions counts every showing, including repeats, so it gives a lower number than reach. It's the denominator LinkedIn uses: its Page analytics divide interactions by impressions to get engagement rate.
- For video, many people divide by views instead. That's a fourth version of the same idea, and it's fine as long as you label it.

If you'd rather not do the arithmetic, the [engagement rate calculator](/tools/engagement-rate-calculator) works out all three from the numbers you enter, and the [Instagram engagement rate calculator](/tools/instagram-engagement-rate-calculator) is set up for reach or followers. For the full method with monthly and account-level rates, see [how to calculate engagement rate](/blog/social-media-engagement-rate).

**Which engagement rate should you use?**
- Comparing your account with others → By followers. It's the only one you can calculate for accounts you don't own.
- Judging which of your posts worked → By reach. It only counts people who saw the post.
- Matching LinkedIn's own analytics → By impressions, with clicks included in interactions.
- Reporting on video → By views, labeled as such, every time.

*Pick one per report and keep it.*

## Post engagement rate vs account engagement rate

A single post's rate tells you how that post did. An account's rate tells you how the account does in general, and there are two ways to work it out. You can average the rates of each post over a period, or you can add up all the interactions and divide by the total of the denominator. The two give different answers when posts vary a lot in size.

1. **Pick the period**: A month is common. Use the same length every time.
2. **List every post**: With its interactions and the denominator you chose: reach, impressions or views. For a by-followers rate, use the follower count at the end of the period.
3. **Work out each post's rate**: Interactions divided by the denominator, times 100.
4. **Take the median**: The middle value is less thrown by one post that went viral than the average is. Report both if you like, labeled.

Brands looking at creators usually ask for an account rate by followers, because it's the only one they can check from the outside. If you're a creator, keep a by-reach rate for yourself too: it's a better guide to which posts to make more of.

## What counts as an engagement on each network

The numerator changes from network to network, so check what you're adding up:

- Instagram: Meta's [media insights reference](https://developers.facebook.com/docs/instagram-platform/reference/instagram-media/insights) defines total interactions as likes, saves, comments and shares minus unlikes, unsaves and deleted comments, so it's already a net figure. It also notes that impressions are deprecated for media created after July 2, 2024, so use reach or views for newer posts.
- LinkedIn: Page analytics count clicks, reactions, comments and shares as interactions and divide by impressions. LinkedIn counts an impression when a post is at least 50 percent on screen for 300 milliseconds or more, or when it's clicked.
- X: the X API lists likes, replies, reposts, quotes and bookmarks as public counts, and engagements, link clicks and profile clicks as private ones only the account owner can see. Impressions aren't unique, so one person seeing a post twice counts twice.
- Facebook, TikTok, Threads and YouTube each have their own mix of reactions, shares, saves and comments. Write down which ones you include.

Adding everything from every network into one number and dividing by combined impressions produces a figure that doesn't describe anything real. Report a rate per network, then summarize. The difference between [reach and impressions](/glossary/reach-vs-impressions) explains why those two denominators give such different results.

## What is a good engagement rate?

There's no single good number. It depends on the network, the formula, the industry, the account's size and whether posts were paid. The most useful dated reference we could check is Quid's 2026 Social Media Industry Benchmark Report, published March 5, 2026. It picked 150 companies at random from each of 18 industries, included organic and paid posts, and calculated engagement rate as total interactions divided by follower count. Its all-industry medians:

- TikTok: 2.01%
- Instagram: 0.30%, down from 0.36% the year before
- YouTube: 0.21%
- X: 0.03%

- 2.01%: TikTok median engagement rate by followers
- 0.30%: Instagram median
- 0.21%: YouTube median
- 0.03%: X median

*Source: Quid, 2026 Social Media Industry Benchmark Report (March 5, 2026). Brand accounts, by followers, organic and paid posts.*

Those figures are for brand accounts across 18 industries, by followers. A creator's account, a small community account or a rate by reach will look very different and shouldn't be measured against them. The benchmark that tells you the most is your own: your median rate over the last three months, by the same formula, for the same kind of post.

## Why your engagement rate drops when nothing is wrong

- Your follower count grew faster than your reach. New followers who don't see your posts pull a by-followers rate down.
- One post went far beyond your followers. A big reach number with ordinary interactions lowers a by-reach rate even though the post did well.
- You switched formulas or tools. A report that used impressions last month and reach this month will jump or fall for no real reason.
- A network changed what it counts. Instagram retiring impressions for new media is one example.
- You posted more. Extra posts that each reach fewer people lower the average rate even when total interactions go up.

## How people talk about engagement rate

You'll see the term in briefs, reports and creator rate cards. Some illustrative examples:

- "Our ER by reach was 6.2% this month, up from 5.1%."
- "What's your engagement rate? We work with creators above 3% by followers."
- "That 12% is by reach, theirs is by followers, so we can't compare them."
- "Carousels had the best engagement rate, Reels had the best reach."

ER is a common shorthand in spreadsheets and DMs between brands and creators. When someone quotes you a rate, ask which denominator they used before you compare it with yours.

## Raising it without gaming it

The rate goes up when posts give people a real reason to respond: a question they have an opinion on, something worth saving for later, something worth sending to a friend. It doesn't go up for long when you ask for it directly. Tagging a friend to win, voting with reactions and other [engagement bait](/glossary/engagement-bait) can inflate a single post, and both Meta and LinkedIn say they reduce the reach of posts built that way. Write for the people you want, and let the rate follow.

It also helps to measure the right thing next to it. A post meant to send people to your site should be judged on [click-through rate](/glossary/ctr), not likes. And because the networks' feeds decide who sees what, read the rate alongside reach before blaming the content or the [algorithm](/glossary/algorithm).

## Questions

### How do you calculate engagement rate?

Add up a post's interactions, divide by followers, reach or impressions, and multiply by 100. Say which denominator you used, because each gives a different answer.

### Is engagement rate by reach or by followers better?

By reach for judging your own posts, because it only counts people who saw them. By followers for comparing with other accounts, because it uses public numbers.

### Can engagement rate be over 100%?

Yes, by followers. If a post reaches many people who don't follow you, interactions can exceed the follower count. By reach it almost never happens.

### Do views count as engagement?

Usually not. Views are a reach-style measure, so they go in the denominator for video, not in the interactions on top.

### What does ER mean on social media?

ER is short for engagement rate, mostly in reports, rate cards and messages between brands and creators.

### Why is my engagement rate lower than my competitor's?

Check the formula first. If yours is by impressions and theirs is by reach or followers on a smaller account, the gap may not be real.

## Related terms

- [Reach vs impressions](https://postmesh.app/glossary/reach-vs-impressions)

- [CTR](https://postmesh.app/glossary/ctr)

- [Engagement bait](https://postmesh.app/glossary/engagement-bait)

- [Algorithm](https://postmesh.app/glossary/algorithm)

- [Content pillars](https://postmesh.app/glossary/content-pillars)

## Sources

- [Meta for Developers: Instagram media insights reference](https://developers.facebook.com/docs/instagram-platform/reference/instagram-media/insights)

- [LinkedIn Help: Content analytics for your LinkedIn Page](https://www.linkedin.com/help/lms/answer/a564051)

- [X Developer Platform: Metrics](https://docs.x.com/x-api/fundamentals/metrics)

- [Quid: 2026 Social Media Industry Benchmark Report (March 5, 2026)](https://www.quid.com/knowledge-hub/resource-library/blog/2026-social-media-industry-benchmark-report)