# Follower Growth Calculator

> Follower growth calculator: project social media audience size from follower counts and growth rates over time. Free, private, no signup, runs in your browser.

- **Canonical URL:** https://boringtoolskit.com/follower-growth-calculator/
- **Category:** Social Media
- **Evidence level:** catalogue
- **Reviewed:** July 26, 2026
- **Last verified:** 2026-10-12
- **Privacy:** Inputs and results stay in this browser unless the page clearly labels an external request.

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