About the Follower Growth Calculator
Follower growth rate over a period and a projection of followers at the same growth rate.
Also known as: audience growth rate, follower growth rate, subscriber growth.
How to use this calculator
- Enter followers at start, followers now, over months, project months ahead.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Growth = (end ÷ start)^(1/months) − 1
Worked example
Using the values pre-filled in the calculator above:
- Followers at start = 12,000
- Followers now = 13,800
- Over months = 1
- Project months ahead = 12
the calculator returns:
- Monthly growth rate: 15%
- Projected in 12 months: 73,833
- Net new followers: 1,800