Churn Rate Calculator

Measure how many customers aren't coming back and what that means for revenue. Churn rate shows the percentage of customers who purchased in a prior period but didn't return within your expected timeframe. Use this calculator to quantify customer loss and understand the revenue tied to it.

Enter Your Metrics

Fill in your performance inputs below — we'll model the revenue impact instantly.

Customers who purchased in the prior period
Customers who didn't return within expected window
How many times a typical customer buys annually
x
Your typical transaction value
$
How much could smarter retention reduce churn?
%
What it costs to replace one lost customer
$

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Churn Rate
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Annual Revenue Lost
💰
Recoverable Revenue
👥
Customers Saved
💸
CAC Savings