10 Best Engagement Rate Calculator Tools for Founders [2026 Updated]

1. Phlanx Engagement Calculator

• Type: Free
• URL: https://phlanx.com/engagement-calculator
• Overview: Phlanx provides a fast, browser-based engagement rate calculator that analyzes recent posts to compute an account’s engagement percentage and average interactions. It’s designed for quick influencer vetting and includes simple benchmarks so marketers can compare accounts at a glance.

2. HypeAuditor Engagement Rate Calculators

• Type: Free
• URL: https://hypeauditor.com/free-tools/instagram-engagement-calculator
• Overview: HypeAuditor offers platform-specific engagement rate calculators (Instagram, YouTube, etc.) that compute ER using recent post metrics and provide context with quality checks for fake followers. The free tools give instant ER percentages plus guidance and comparisons to industry benchmarks for influencer selection.

3. Metricool Engagement Rate Calculator

• Type: Free
• URL: https://metricool.com/instagram-engagement-rate-calculator/
• Overview: Metricool’s calculator computes engagement rate for social profiles and returns averages for likes and comments alongside comparisons to similar accounts. It’s part of a broader analytics suite that helps marketers benchmark performance and discover content that drives engagement.

4. Later Instagram Engagement Rate Calculator

• Type: Free
• URL: https://later.com/resources/tool/instagram-engagement-rate-calculator/
• Overview: Later’s engagement rate tool calculates ER from follower, likes, comments, reach and impressions inputs and pairs results with Later’s industry benchmarks and guidance. It’s aimed at influencer and brand comparisons to inform campaign planning and content strategy.

5. Modash Engagement Rate Calculators

• Type: Free
• URL: https://modash.io/youtube-engagement-rate-calculator/
• Overview: Modash provides free engagement calculators for platforms like YouTube, Instagram and TikTok that use recent content medians to compute ER and supply platform-specific benchmarks. The calculators are part of Modash’s influencer discovery and vetting toolkit for campaign planning.

6. Hootsuite Engagement Rate Calculator

• Type: Paid
• URL: https://www.hootsuite.com/resources/blog/engagement-rate-calculator
• Overview: Hootsuite provides a free engagement rate calculator page plus enterprise analytics that automate ER calculations across networks and produce scheduled reports for teams. The full Hootsuite analytics product is a paid solution that centralizes engagement metrics and benchmarking for social programs.

7. TrendHERO Engagement Rate Calculator

• Type: Free
• URL: https://trendhero.io/engagement-rate-calculator-instagram/
• Overview: TrendHERO’s ER calculator analyzes a user’s recent Instagram posts to return an engagement percentage and related statistics based on a chosen post sample size. The tool is built for quick influencer checks and sits alongside TrendHERO’s broader influencer analytics features.

8. Collabstr Instagram Engagement Rate Calculator

• Type: Free
• URL: https://collabstr.com/instagram-engagement-rate-calculator
• Overview: Collabstr’s engagement rate calculator computes ER using recent post averages and follower counts to give a percentage and average interactions, aimed at helping brands shortlist creators. It’s integrated with Collabstr’s influencer marketplace so teams can move from vetting to hiring.

9. Favikon Free Engagement Rate Calculator

• Type: Free
• URL: https://www.favikon.com/free-tools/engagement-rate-calculator
• Overview: Favikon offers a free engagement rate calculator that returns ER by followers and by reach for multiple platforms and includes benchmarks and methodology notes. The tool is designed for marketers to quickly compare influencer quality and shortlist creators from Favikon’s discovery features.

10. Click Analytic Instagram Engagement Calculator

• Type: Free
• URL: https://www.clickanalytic.com/free-instagram-engagement-calculator/
• Overview: Click Analytic provides a free Instagram engagement rate calculator that analyzes recent posts to compute ER and shows distribution and median comparisons for context. It’s positioned as a quick audit tool for marketers researching influencers and campaign candidates.