Engagement Rate Calculator
Work out your engagement rate on any platform and see how it compares.
Engagement by followers: how much of your audience interacts.
Enter one post's numbers, or totals across several posts and how many posts they cover.
Engagement rate
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Formula: (likes + comments + saves + shares) ÷ posts ÷ followers × 100
Add your followers to see the result.
Follower counts tell you how many people could see a post. Engagement rate tells you how many of them cared enough to react. This free engagement rate calculator works it out for Instagram, TikTok, YouTube or any other network: pick the platform, type in your likes, comments, shares and saves, and add the audience number you want to measure against.
Each platform gets the inputs that make sense for it. Instagram can be measured by followers or by reach, TikTok by views or followers, and YouTube by views. The result updates as you type, and the exact formula with your numbers plugged in sits right under it, so you can check the maths or reuse it in a spreadsheet.
Want a page focused on one network? Try the Instagram, TikTok or YouTube engagement calculators. A steady posting rhythm makes these numbers far easier to compare week to week, and PostJay schedules posts to 18 platforms from one calendar.
Frequently asked questions
What is the engagement rate formula?
Engagement rate is the number of interactions divided by an audience number, multiplied by 100. Interactions are usually likes, comments, shares and saves. The audience number is followers, reach or views, depending on what you want to measure. The calculator shows the exact formula it used next to your result.
Should I calculate engagement by followers, reach or views?
Use followers to compare how engaged your whole audience is over time. Use reach to judge a single post fairly, because it only counts people who actually saw it. Use views on video-first platforms like TikTok and YouTube, where many viewers don't follow you. Pick one method and stick to it, because the three give very different numbers.
What is a good engagement rate?
There is no single answer. Rates vary a lot by platform, niche, account size and which formula you use, and any published benchmark only describes the accounts its author sampled. The most reliable yardstick is your own history: calculate the rate for your recent posts and look for the ones that beat your average.
Does this tool connect to my account?
No. It is a plain calculator that runs in your browser. Copy the numbers from your app's insights or analytics screen, type them in, and the result updates as you go. Nothing is sent to us or stored.
Related free tools
Instagram Engagement Rate Calculator
Calculate your Instagram engagement rate by followers or by reach.
TikTok Engagement Rate Calculator
Calculate your TikTok engagement rate by views or by followers.
YouTube Engagement Rate Calculator
Calculate the engagement rate of a YouTube video or channel.
TikTok Money Calculator
Estimate what a TikTok creator can earn from views and brand deals.
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