How the engagement rate is calculated
By impressions: (reactions + comments + reposts) ÷ impressions × 100. This is the most common way to compare posts with each other.
By followers: interactions ÷ number of followers × 100. Useful to gauge how your audience responds, but it ignores the real reach of the post.
Where to find your numbers
In each post's analytics (impressions, reactions, comments, reposts). The exact label varies depending on your profile or page.
Where the benchmark comes from
The benchmark comes from Socialinsider: average engagement rate by impressions across company pages with 1,000 to 1 million followers (2025 column), where interactions = reactions + comments + shares. See the source.
It is an order of magnitude: a personal profile, another industry or a small network will have different values. Compare yourself to your own posts first.