AlliShare

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Free Instagram engagement rate calculator

Enter followers, likes and comments and get your engagement rate instantly — by followers, by reach, or averaged across several posts. Works for any of the 13 platforms AlliShare schedules to. Nothing is sent anywhere.

Calculate my engagement rateSee the Instagram scheduler

No login · No credit card · Calculated in your browser

1 · Pick your platform

2 · Enter your numbers

3 · Optional: reach & average

Adds an engagement rate by reach, alongside the one by followers.

If your likes/comments/saves are totals across several posts, adds an average per-post rate.

Enter followers, likes and comments above — the engagement rate updates instantly, right here in your browser. Nothing is sent anywhere.

From raw numbers to an engagement rate.

Enter your numbers

Followers, likes and comments to start — add saves/shares, reach and a post count for more detail.

See your rate instantly

Engagement rate by followers, by reach and per-post average — each with the exact formula used, calculated live in your browser.

Compare — then post consistently

Use the rough low/average/good/excellent band as a starting point, then schedule your next post everywhere with AlliShare.

FAQ

Engagement rate calculator, answered straight.

Is the engagement rate calculator free?
Yes, completely free with no login and no credit card. It runs entirely in your browser — your numbers are never sent anywhere.
How is engagement rate calculated?
The most common formula is engagement rate by followers: (likes + comments + saves/shares) ÷ followers × 100. If you know your reach for a post, you can also calculate engagement rate by reach: interactions ÷ reach × 100, which better reflects how people who actually saw the post responded to it.
What is a good engagement rate on Instagram?
There is no single official number — it varies a lot by niche, audience size, content format and posting cadence. As a rough, widely-used rule of thumb, under 1% is considered low, 1–3% is typical, 3–6% is strong, and above 6% is excellent. Treat these as a starting point for comparing your own posts over time, not a fixed benchmark.
What's the difference between engagement rate by followers and by reach?
Engagement rate by followers measures interactions against your total audience size, so it tends to fall as your follower count grows even if performance stays the same. Engagement rate by reach measures interactions only against the people who actually saw the post, which is a more direct read on how compelling that specific post was.

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Turn a strong engagement rate into consistent output — post to Instagram, TikTok and 11 more platforms from one composer. Start free today.

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