Compare calculators

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

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

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Marketing

Email Unsubscribe Rate Calculator

Measures the percentage of recipients who opted out of your email list after a campaign. Use it after each send to benchmark list health and flag content or frequency problems.

Number of Unsubscribes

Emails Delivered

Fill in the required fields to see your result.

Key differences

	Customer Churn Rate Calculator	Email Unsubscribe Rate Calculator
Category	Marketing	Marketing
Inputs required	2	2
Result	Churn Rate (%)	Unsubscribe Rate (%)
What it does	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.	Measures the percentage of recipients who opted out of your email list after a campaign. Use it after each send to benchmark list health and flag content or frequency problems.