Marketing & ecommerce

Unsubscribe Rate Calculator

Calculate unsubscribes as a share of successfully delivered email.

No sign-upBrowser-only calculationsFormula & methodology
01

Your numbers

Use one currency and the same reporting period. Sample values are filled in to help you start.

people
emails

Your numbers stay in this browser.

02

Example result

Unsubscribe rate0.25%

Use one campaign’s delivery and unsubscribe window. Global list churn includes other causes and is a different metric.

Understand the result

How to calculate it

Unsubscribe rate = unsubscribes ÷ delivered × 100

Use one campaign’s delivery and unsubscribe window. Global list churn includes other causes and is a different metric.

Worked example

This is an illustrative scenario, not a market benchmark. Select “Reset to example” to reproduce it in the calculator.

Unsubscribes
25 people
Delivered emails
10,000 emails

Unsubscribe rate: 0.25%

Common questions

Unsubscribe Rate FAQ

Should I divide by the entire subscriber list?

For campaign reporting, use the delivered audience. Dividing by people who did not receive the message hides the campaign-level rate.

What does this calculation leave out?

Use one campaign’s delivery and unsubscribe window. Global list churn includes other causes and is a different metric.

Are my inputs saved or sent to a server?

Calculations run in your browser. We do not send your inputs or results to our server or analytics. A comparison stays in this tab until it is refreshed. A CSV is saved only when you choose to download it. See our privacy policy for ordinary hosting and optional analytics data.

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