General Business · Sales · Calculator
Customer Retention Rate Calculator
Calculate customer retention over a period while accounting for new customers acquired.
How to use this Customer Retention Rate Calculator
Calculate customer retention over a period while accounting for new customers acquired. Enter your numbers above and Okomit calculates the result instantly.
Customer Retention Rate Calculator formula
Retention Rate = (Customers at End − New Customers Added) ÷ Customers at Start × 100
Example
Starting with 500 customers, ending with 540, and adding 90 new customers produces a 90% retention rate.
How to use the result
Use consistent customer definitions and time periods so retention trends remain comparable.
Frequently asked questions
Is this calculator free?
Yes. This Okomit calculator is available as a free tool.
Does Okomit save the numbers I enter?
Guest calculations remain in the browser unless you choose a feature that explicitly saves work. Logged-in Okomit features may support saved scenarios where available.
Can I use this for business planning?
Yes, as a planning aid. Review important business, tax, legal, lending, or accounting decisions with the appropriate professional when needed.