Rosterly

Engagement rate calculator

Enter the numbers from your own insights (or the ones a creator shared with you). The calculator shows engagement rate three common ways, with the formula for each.

Your numbers

The totals below cover these posts.
From the platform’s insights.

Engagement rate

The formulas

There is no single industry-standard formula, and “good” rates vary a lot by platform, niche and account size, so we don’t show benchmarks. Compare a creator with their own past posts and with similar accounts, using the same formula.

Questions and answers

How do you calculate engagement rate?

Add likes, comments, shares and saves, then divide by followers (per post), by reach or by views, and multiply by 100. Always say which one you used.

What is a good engagement rate?

It depends on the platform, the niche and the account size, and published “averages” use different formulas. Compare like with like: same formula, similar accounts, same period.

Where do I find reach and saves?

In the platform’s own insights for the account. If you are assessing a creator, ask them to share a screenshot or export of their insights.

Are my numbers stored?

No. The calculation runs in your browser.

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