Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Customer Retention Rate Calculator

Measures the percentage of existing customers a business keeps over a given period. Use it monthly or quarterly to track loyalty, reduce churn, and benchmark against industry standards.

Customers at End of Period

New Customers During Period

Customers at Start of Period

Fill in the required fields to see your result.

Marketing

Customer Churn Rate Calculator

Calculate the percentage of customers who stopped doing business with you over a given period. Use it monthly or quarterly to track retention health and forecast revenue risk.

Customers Lost

Total Customers

Fill in the required fields to see your result.

Key differences

	Customer Retention Rate Calculator	Customer Churn Rate Calculator
Category	Marketing	Marketing
Inputs required	3	2
Result	Customer Retention Rate (%)	Churn Rate (%)
What it does	Measures the percentage of existing customers a business keeps over a given period. Use it monthly or quarterly to track loyalty, reduce churn, and benchmark against industry standards.	Calculate the percentage of customers who stopped doing business with you over a given period. Use it monthly or quarterly to track retention health and forecast revenue risk.