Social media KPI calculator
Calculate the KPIs that matter: engagement rate, follower growth rate, reach, impressions per post.
about the social media kpi calculator
Most creators track vanity metrics — follower counts, total likes — because they're the easiest numbers to find. The KPIs that actually predict account health are ratios, not totals: engagement rate (engagements ÷ impressions), follower growth rate (new followers ÷ starting followers), and reach rate (reach ÷ followers). These numbers tell you whether your content is working, not just whether your absolute counts are going up.
Platform benchmarks matter too. A 2% engagement rate on LinkedIn is strong; the same rate on TikTok is below average. A 5% follower growth rate is exceptional on X; it's baseline for a TikTok account in its first growth phase. This calculator runs the formulas for every major platform KPI and shows how your numbers compare to realistic benchmarks — not inflated ones from marketing blogs.
Enter your platform metrics and get your full KPI suite instantly. Track these numbers weekly and you'll see patterns that tell you exactly what's working before your analytics dashboard does.
frequently asked questions
What are social media KPIs?
KPIs (key performance indicators) for social media are the metrics that measure whether your strategy is working. The most important: engagement rate (how much of your audience interacts), follower growth rate (how fast your audience is expanding), reach rate (how far your content travels beyond followers), and click-through rate (how often people take action). This calculator computes all of them.
What is a good engagement rate on social media?
It varies by platform: 1-3% is average on LinkedIn and X, 3-6% on Instagram, 5-10% on TikTok. Above these benchmarks means your content is resonating strongly; below suggests either a mismatched audience or weak content. Compare to your own historical average as well as industry benchmarks.
How do I calculate follower growth rate?
Follower growth rate = (new followers gained ÷ followers at the start of the period) × 100. A 2-5% monthly growth rate is healthy for most accounts; above 5% signals an active growth phase; below 1% means you're retaining followers but not consistently attracting new ones.
want to schedule and post, not just format?
PostAI schedules to 11 platforms, includes AI content generation, and starts at $9/mo.
start free — no credit card