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Free Instagram Engagement Rate Calculator

There is more than one engagement rate, and the one everybody quotes divides your likes by people who never saw the post. Put your numbers in below and get both. Nothing you type ever leaves your browser.

Your numbers

Averages across your last 9 or 12 posts, not your best one.

Your engagement rate

Add your average reach on the left and you get the number that actually means something.

3.23%By followersThe industry standard. Divides by people who mostly never saw the post.
258Interactions a post
Nano, under 10kYour tier
Typically reported for this size: 2.5% to 6%About what gets reported for accounts your size.

These bands are what third party studies commonly report, not an Instagram figure. Instagram publishes no benchmark. They vary wildly by niche, and your own rate last month is a better comparison than any of them.

How this is worked outBy followers = (likes + comments) / followersBy reach = (likes + comments) / reachSaves and shares are added to the top line only if you tick the box. Everything comes from numbers you typed: there are no estimates in here.

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What this tool does

Almost every engagement rate calculator does the same sum: likes plus comments, divided by followers. It is the industry standard and it has been quietly broken for years, because Instagram stopped showing your posts to all of your followers a long time ago. If 8,000 people follow you and 2,000 saw the post, dividing by 8,000 measures your engagement against an audience that was never there.

It also means your engagement rate falls as you grow, forever, even when nothing gets worse. Every new follower is another person in the denominator who probably will not see the next post. Accounts get punished on paper for succeeding.

The rate that answers the question you actually have is engagement by reach: interactions divided by the people who saw it. Add your reach and this calculates both, and the gap between them is usually startling. The same post above is 3.2 percent by followers and 12.9 percent by reach.

So why does everyone use the broken one? Because it is the only one you can calculate about somebody else's account, which makes it a tool for buying influencers rather than for running your own account. It is free, there is no signup, and the whole thing runs in your browser.

How to work out your Instagram engagement rate

The sum takes a second. Getting numbers worth putting into it is the actual work.

  1. 1Average your last 9 or 12 postsNot your best one, and not one. A single post tells you about that post. Nine tells you about your account, and it stops one viral fluke from flattering the whole picture.
  2. 2Get your reach from insightsThis is the step that makes the number honest. Instagram shows reach per post in insights. It is optional here only because you cannot see anyone else's.
  3. 3Read the by reach figureOf the people who actually saw it, how many did something. That is what you meant when you asked about engagement, and it is the only version that does not punish you for gaining followers.
  4. 4Compare against yourself, last monthNot against a benchmark from a blog. Your niche, your format, and your posting rhythm make the industry average close to meaningless for you.
  5. 5Decide whether to count savesThe standard number does not, so leave it off to compare with others. Turn it on to see the truer picture, because a save is a much stronger signal than a like and Instagram appears to think so too.

Why the standard formula is broken

It is not that the maths is wrong. It is that the denominator stopped meaning anything.

  1. 1Your followers do not see your postsInstagram has been a recommendation feed for years. A given post reaches some share of your followers and a pile of strangers. Dividing by follower count measures you against an audience that does not exist.
  2. 2So growth lowers your scoreEvery new follower is another person in the denominator who probably will not see the next post. Grow enough and your engagement rate falls forever, even as you reach more people than ever.
  3. 3And reach is where the truth isInteractions divided by the people who saw it. That number does not care how many followers you have, and it goes up when your content gets better.
  4. 4But you cannot see anyone else's reachWhich is the entire reason the broken one is the standard. Reach is private, so agencies vetting influencers can only use the follower version. It is a metric built for a buying decision, and everyone else inherited it.

What this number tells you, and what it does not

It is a division on numbers you supplied. Being accurate and being meaningful are different problems.

What this tells you

  • Both rates, labelledThe standard one so you can talk to other people, and the honest one so you know what happened. Most calculators only do the first.
  • A benchmark for your sizeEngagement rate falls hard with follower count, so a single band across all accounts is useless. These are tiered, and they say where they come from.
  • Whether your numbers are impossibleMore interactions than reach cannot happen, and it catches the most common insights mix up.
  • The cost of the standard metricSeeing 3 percent and 13 percent side by side for the same post explains, in one glance, why your rate has been falling as you grow.

What it cannot tell you

  • Whether engagement is worth anythingThis is the big one. Engagement is not revenue. Plenty of accounts with beautiful rates sell nothing, and plenty of dull accounts with 1 percent are printing money.
  • Whether the engagement is realBought likes, pods, and bots all count here. The number cannot tell an engaged audience from a purchased one, and a suspiciously good rate is often the second thing.
  • Any official benchmarkInstagram publishes none. Every band you have ever read, including ours, is a third party study of somebody else's accounts.
  • Your nicheA meme account and a B2B software account are not comparable and never were. Both get compared to the same 1 to 3 percent anyway.
  • What the comments sayThis counts comments. It has no idea that half of them are crypto bots, which inflates the number you are proud of.
  • Whether the comments are helping youA post with 200 comments, forty of which are scams under a live ad, has a great engagement rate and a real problem.

Counting comments vs reading them

Engagement rate counts your comments. It has nothing to say about what they are. Here is the split.

This calculatorSweep Inbox
PriceFree, no signupPaid, with a 7 day free trial
What it does with a commentAdds one to the totalOur AI model reads it and works out what it is
A crypto bot commentImproves your engagement rateHidden within seconds
A customer asking about priceImproves your engagement rateLeft visible and waiting in one inbox
When it runsWhen you open itAround the clock

Questions people actually ask

  • The standard formula is likes plus comments, divided by followers, times 100. The more honest one is likes plus comments divided by reach, because that measures against the people who actually saw the post rather than everyone who follows you. This calculates both. Use averages across nine or twelve posts rather than a single one.

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Your engagement rate counts the bots too.

Every crypto reply under your post improved the number you just calculated. Connect your pages and let Sweep Inbox read the comments instead of counting them.

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