.erc-row { display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 15px; }
.erc-col { flex: 1; min-width: 200px; }
.erc-label { display: block; font-weight: 600; margin-bottom: 5px; color: #333; }
.erc-input { width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 4px; font-size: 16px; box-sizing: border-box; }
.erc-input:focus { border-color: #0073aa; outline: none; box-shadow: 0 0 5px rgba(0,115,170,0.3); }
.erc-btn { background-color: #0073aa; color: white; padding: 12px 24px; border: none; border-radius: 4px; cursor: pointer; font-size: 18px; font-weight: bold; width: 100%; transition: background 0.3s; }
.erc-btn:hover { background-color: #005177; }
.erc-result-box { margin-top: 25px; padding: 20px; background-color: #ffffff; border-left: 5px solid #0073aa; box-shadow: 0 2px 10px rgba(0,0,0,0.05); display: none; }
.erc-result-title { font-size: 18px; color: #555; margin: 0 0 10px 0; }
.erc-result-value { font-size: 36px; font-weight: 800; color: #0073aa; margin: 0; }
.erc-sub-result { font-size: 14px; color: #666; margin-top: 5px; }
.erc-badge { display: inline-block; padding: 4px 8px; border-radius: 4px; font-size: 12px; font-weight: bold; color: white; margin-left: 10px; vertical-align: middle; }
.erc-badge-low { background-color: #dc3232; }
.erc-badge-avg { background-color: #d69e2e; }
.erc-badge-good { background-color: #46b450; }
.erc-badge-viral { background-color: #9b59b6; }
@media (max-width: 600px) { .erc-row { flex-direction: column; gap: 10px; } }
function calculateEngagementRate() {
// Get values
var likes = parseFloat(document.getElementById('erc_likes').value) || 0;
var comments = parseFloat(document.getElementById('erc_comments').value) || 0;
var shares = parseFloat(document.getElementById('erc_shares').value) || 0;
var saves = parseFloat(document.getElementById('erc_saves').value) || 0;
var audience = parseFloat(document.getElementById('erc_audience').value);
// Validation
if (!audience || audience <= 0) {
alert("Please enter a valid number for Total Audience (Followers, Reach, or Impressions). It cannot be zero.");
return;
}
// Calculation
var totalInteractions = likes + comments + shares + saves;
var engagementRate = (totalInteractions / audience) * 100;
// Display Result Container
document.getElementById('erc_result_container').style.display = "block";
// Update Text Content
document.getElementById('erc_total_interactions').innerText = totalInteractions.toLocaleString();
document.getElementById('erc_final_rate').innerText = engagementRate.toFixed(2) + "%";
// Determine Quality Badge and Text
var badge = document.getElementById('erc_quality_badge');
var analysis = document.getElementById('erc_analysis_text');
// Reset classes
badge.className = "erc-badge";
if (engagementRate = 1 && engagementRate = 3.5 && engagementRate < 6) {
badge.innerText = "High";
badge.classList.add("erc-badge-good");
analysis.innerText = "Great job! Your audience is highly engaged with your content.";
} else {
badge.innerText = "Excellent / Viral";
badge.classList.add("erc-badge-viral");
analysis.innerText = "Outstanding! This level of engagement typically indicates viral content or a superfan community.";
}
}
Social Media Engagement Rate Calculator
Enter your total follower count, post reach, or impressions.
Your Engagement Rate:
0.00%
Total Interactions: 0
How to Calculate Engagement Rate
Understanding how to calculate engagement rate is fundamental for any digital marketer, influencer, or business owner looking to measure the success of their social media strategy. Unlike vanity metrics such as follower count, engagement rate reveals the true quality of your audience's interaction with your content.
The Core Formula
The standard formula used by most social media analytics tools and agencies is simple but powerful:
Engagement Rate = (Total Interactions / Total Audience) × 100
Where "Total Interactions" is the sum of:
- Likes
- Comments
- Shares (or Retweets)
- Saves (highly valued by algorithms on Instagram and TikTok)
Choosing Your Denominator: Followers vs. Reach
When asking "how to calculate engagement rate," you must decide what "Total Audience" means for your specific goal:
- ERR (Engagement Rate by Reach):
(Interactions / Reach) × 100
This is often considered the most accurate metric because it calculates engagement based only on the people who actually saw your post. It excludes followers who were inactive or didn't see the content. - ER (Engagement Rate by Followers):
(Interactions / Follower Count) × 100
This is the most common public metric used for influencer marketing. It answers the question: "Of all the people who subscribed to this channel, how many care about this post?" - ER (Engagement Rate by Impressions):
(Interactions / Impressions) × 100
Useful for paid ads where the content is shown repeatedly to the same users. This usually results in a lower percentage figure.
What is a Good Engagement Rate?
Benchmarks vary significantly by platform (Instagram, LinkedIn, TikTok, X) and industry, but general guidelines suggest:
- Less than 1%: Generally considered low. This may indicate uninteresting content or a mismatch between the audience and the topic.
- 1% to 3.5%: The industry average. This is a healthy zone for most business accounts.
- 3.5% to 6%: High engagement. This indicates a very loyal community.
- Above 6%: Exceptional. Often seen in viral posts or smaller "micro-influencer" accounts with tight-knit communities.
Why This Calculator Matters
Manually summing up likes, comments, shares, and saves for every post can be tedious. This Engagement Rate Calculator automates the math, ensuring you get an accurate percentage instantly. By tracking this number over time, you can determine which content formats (videos, carousels, text posts) resonate best with your audience.