A clearer measure than follower count
Follower count is a vanity metric — engagement rate tells you how much your audience actually responds to what you post. It's the figure brands look at when judging a creator, and the one worth tracking over time as your account grows.
Enter your follower count and the interactions on a post (or across several posts), and this calculator returns your engagement rate by followers, with a rough benchmark for context. The maths runs entirely in your browser.
How the number is worked out
Engagement rate by followers is calculated as (total interactions ÷ followers) × 100. Interactions are likes, comments, shares and saves combined. If you enter several posts, the calculator averages the interactions per post first, so you get a typical rate rather than one skewed by a single viral or flat post.
Use the result as a relative measure, not an absolute verdict. Rates fall as accounts grow and differ across platforms, so compare against accounts of a similar size on the same platform, and watch your own trend over weeks rather than chasing a single number.
Sources: the benchmark bands draw on published social media engagement-rate benchmark studies. Last verified June 2026.