Engagement Calculators
Free Instagram Engagement Calculator
Work out an Instagram post’s engagement rate from likes, comments, shares and saves, divided by followers. Free, and it runs in your browser.
The formula
This calculator uses (likes + comments + shares and saves) ÷ followers × 100.
Dividing by followers makes posts comparable over time as your account grows. It doesn’t account for reach: a Reel shown mostly to non-followers can score above 100%. To judge how a post did with the people who saw it, divide the same interactions by reach instead.
Worked example
A post with 180 likes, 12 comments and 20 shares and saves on an account with 4,000 followers: (180 + 12 + 20) ÷ 4,000 × 100 = 5.3%.
Questions about this tool
Add up the interactions and divide by the audience figure, then multiply by 100. Here that is (likes + comments + shares and saves) ÷ followers × 100.
Yes, if you want to count every deliberate interaction. Enter shares and saves together in the Shares / Saves field. Leave it empty to calculate from likes and comments only, and use the same choice every time you compare.
No. The lower, middle, higher and top bands are rough guides built into the calculator, not a measured industry dataset. The useful comparison is with your own posts, measured the same way over the same kind of period.
No. You type the numbers from your own analytics and the sum runs in your browser. Nothing is saved or sent to Wahlu.
Another tool for the next step
Free TikTok Engagement Calculator
Calculate TikTok engagement from your own audience and interaction counts. Compare posts using the same formula and reporting period.
Free X (Twitter) Engagement Score Calculator
Calculate X (Twitter) engagement from your own audience and interaction counts. Compare posts using the same formula and reporting period.
Free Facebook Engagement Calculator
Calculate Facebook engagement from your own audience and interaction counts. Compare posts using the same formula and reporting period.
Free YouTube Engagement Calculator
Calculate YouTube engagement from your own audience and interaction counts. Compare posts using the same formula and reporting period.
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