What Is Churn Rate?

Why churn matters

Growth is new revenue minus churn. High churn means you're filling a leaky bucket — acquisition can't outrun it forever.

How churn is measured

Divide customers lost in a period by customers at the start. Revenue churn weights it by account value.

Churn starts at the top

Many churn problems begin with poor-fit customers acquired through weak targeting. Better lead quality lowers churn before it starts.

In practice

A company with 5% monthly logo churn will lose roughly half its customer base within a year if nothing changes, which is why even a modest-sounding monthly churn number compounds into a serious retention problem — the annualized math, not the raw monthly figure, is what should set the alarm threshold.

A common mistake

Reporting only logo churn while ignoring revenue churn (or vice versa) is a common way churn gets under- or over-stated — a company can lose many small accounts with little revenue impact, or lose few accounts that represent most of its revenue, and the two numbers tell very different stories.

Where it fits

Churn sits at the very end of the customer lifecycle but its causes usually trace back to onboarding and early usage — which is why a churn problem is rarely fixed by a retention team alone if the root cause started at signup.

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