About the Reach Rate Calculator
Reach rate: unique accounts reached as a percentage of your followers for a post or campaign.
Also known as: post reach rate, reach percentage.
How to use this calculator
- Enter accounts reached, followers.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Open “Step-by-step” to see how the answer was worked out.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Reach rate = Accounts reached ÷ Followers × 100
Worked example
Using the values pre-filled in the calculator above:
- Accounts reached = 9,500
- Followers = 24,000
the calculator returns:
- Reach rate: 39.58%
Working
Reach rate = 9,500 ÷ 24,000 × 100 = 39.5833%