function calculateIgEngagement() {
// 1. Get input values
var followersInput = document.getElementById('ig_followers');
var likesInput = document.getElementById('ig_likes');
var commentsInput = document.getElementById('ig_comments');
var followers = parseFloat(followersInput.value);
var likes = parseFloat(likesInput.value);
var comments = parseFloat(commentsInput.value);
// 2. Validation
if (isNaN(followers) || followers <= 0) {
alert("Please enter a valid number of followers (greater than 0).");
return;
}
if (isNaN(likes)) likes = 0;
if (isNaN(comments)) comments = 0;
// 3. Calculation Logic
// Formula: ((Likes + Comments) / Followers) * 100
var totalInteractions = likes + comments;
var engagementRate = (totalInteractions / followers) * 100;
// 4. Determine Verdict/Status
var verdictText = "";
var verdictColor = "#262626";
if (engagementRate = 1 && engagementRate = 3.5 && engagementRate < 6) {
verdictText = "High Engagement";
verdictColor = "#5cb85c"; // Green
} else {
verdictText = "Viral/Influencer Level Engagement!";
verdictColor = "#833AB4"; // Purple
}
// 5. Update DOM
document.getElementById('ig_rate_value').innerHTML = engagementRate.toFixed(2) + "%";
document.getElementById('ig_verdict').innerHTML = verdictText;
document.getElementById('ig_verdict').style.color = verdictColor;
document.getElementById('ig_total_interactions').innerHTML = totalInteractions.toLocaleString();
document.getElementById('ig_base_display').innerHTML = followers.toLocaleString();
// Show result box
document.getElementById('ig_result').style.display = "block";
}
Why Use a Free Engagement Rate Calculator for Instagram?
In the world of social media marketing, vanity metrics like follower count are taking a back seat to performance metrics. The most critical of these is the Engagement Rate (ER). Whether you are a micro-influencer, a brand manager, or just trying to grow your personal account, understanding your engagement rate is vital for gauging the health of your profile.
This free tool calculates your engagement rate percentage based on the public formula widely used by marketing agencies. It helps you determine if your content is actually resonating with your audience or if it is getting lost in the algorithm.
How is Instagram Engagement Calculated?
The standard formula used by our calculator is:
ER = ((Likes + Comments) / Total Followers) * 100
While some advanced analytics platforms include "Saves" and "Shares" (which are private data unless you have a business account), the public engagement rate relies on Likes and Comments. This is the metric brands look at when deciding whether to sponsor an influencer.
What is a Good Engagement Rate on Instagram?
Engagement rates vary significantly depending on the size of the account. Generally, as follower count increases, engagement rates tend to drop. Here are the industry benchmarks:
Less than 1%: This is generally considered low. It implies your content is not reaching your followers, or they are not compelled to interact.
1% to 3.5%: This is the industry average. Most healthy accounts fall within this range.
3.5% to 6%: This is considered high engagement. Accounts in this range have a very loyal community.
Above 6%: This is exceptional, often seen in "viral" accounts or highly niche micro-influencers with very tight-knit communities.
How to Increase Your Engagement Rate
If your calculation shows a number lower than you'd like, consider these strategies:
Post Consistently: The algorithm favors accounts that keep users on the app.
Use Carousels: Carousel posts often get more engagement than single images because users swipe through them.
Engage Back: Reply to comments immediately to spark conversations.
Analyze Timing: Post when your specific audience is most active.
Use this calculator periodically to track your progress as you implement these new strategies.