{"url":"https://koinonlink.com/tools/engagement-rate-calculator","lang":"en","kind":"tool","title":"Engagement Rate Calculator with Measured Platform Benchmarks","description":"Enter followers and post engagement to get the rate instantly — then see where it sits against measured 25th/50th/75th percentiles for that platform, not a vague \"1–5% is normal\". Runs in your browser.","last_updated":"2026-08-10","structured_data":[{"@context":"https://schema.org","@type":"WebApplication","name":"Engagement Rate Calculator with Measured Platform Benchmarks","description":"Enter followers and post engagement to get the rate instantly — then see where it sits against measured 25th/50th/75th percentiles for that platform, not a vague \"1–5% is normal\". Runs in your browser.","url":"https://koinonlink.com/tools/engagement-rate-calculator","applicationCategory":"BusinessApplication","inLanguage":"en","dateModified":"2026-08-10","offers":{"@type":"Offer","price":"0","priceCurrency":"USD"},"publisher":{"@type":"Organization","name":"Vessel AI Lab Hongkong"}},{"@context":"https://schema.org","@type":"FAQPage","inLanguage":"en","mainEntity":[{"@type":"Question","name":"How is engagement rate calculated?","acceptedAnswer":{"@type":"Answer","text":"Post engagement (likes + comments + shares) ÷ followers. This tool leads with the peak-post metric so results compare directly against our measured cross-platform quartiles; the average-based rate is shown alongside."}},{"@type":"Question","name":"What is a good engagement rate?","acceptedAnswer":{"@type":"Answer","text":"It depends on the platform — there is no universal number. Use the measured quartiles on this page: below the platform 25th percentile means many followers, few viewers; above the 75th is top-tier; more than 10× the median warrants suspicion of purchased engagement."}},{"@type":"Question","name":"Where do the benchmarks come from?","acceptedAnswer":{"@type":"Answer","text":"Measured across 50,000+ creator accounts in the Koinon Link index, with suspected-inflated accounts excluded. Recomputed daily."}},{"@type":"Question","name":"Are my inputs stored?","acceptedAnswer":{"@type":"Answer","text":"No. Everything runs locally in your browser and nothing is uploaded."}}]}],"related":[{"title":"Creator Budget Planner: how many partnerships your budget actually buys","url":"https://koinonlink.com/tools/creator-budget-planner"},{"title":"Creator Rate Estimator: Engagement-Based Pricing with CPM Benchmarks","url":"https://koinonlink.com/tools/creator-rate-estimator"},{"title":"Creator Earnings Calculator: what to charge per sponsored post","url":"https://koinonlink.com/tools/creator-earnings-calculator"},{"title":"Fake Follower Risk Check: vet a creator with measured detection criteria","url":"https://koinonlink.com/tools/fake-follower-risk-check"}],"license":"CC BY 4.0","citation":"Koinon Link (2026). Engagement Rate Calculator with Measured Platform Benchmarks. https://koinonlink.com/tools/engagement-rate-calculator. Data as of 2026-08-10.","provenance":{"source":"Koinon Link (koinonlink.com)","publisher":"Vessel AI Lab Hongkong","licence":"CC BY 4.0 — attribution with a link to the source page required","method":"Measured over the Koinon Link index of creator accounts, recomputed daily. Not a random sample of any platform: collection is keyword-driven and skews toward software, gaming and e-commerce.","authenticity_note":"\"suspected_inflated\" is our own anomaly detection (follower-growth shape, engagement-to-follower ratio, engagement templating), not a platform-official flag. It means \"worth a manual check\", not confirmed fraud.","privacy_note":"Aggregate statistics only. Individual creator identities, contact details and per-creator audience personas are never exposed through this interface."}}