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Email Bounce Rate Calculator

Find undelivered messages as a share of attempted sends.

Use a consistent reporting periodCheck the calculation below

Your business figures

Runs on your device

METRIC SNAPSHOT

Your result

Let’s calculate.

Use the Calculate button to see your result.

Review the method below for assumptions and conventions.

How to use this tool

  1. Enter bounced messages, attempted sends.
  2. Select Calculate to view the result.
  3. Check the method and assumptions below before using the result.

The method, explained

Bounce rate = bounced messages/attempted sends × 100%.

A WORKED EXAMPLE

Using bounced messages = 20, attempted sends = 1000, the result is 2 %. Change these example inputs to match your task; use the method above to check each step.

What to keep in mind

Use consistent currencies, reporting periods and accounting definitions. This arithmetic estimate excludes items not entered in the form.

Common questions

Which inputs does this calculation need?

Find undelivered messages as a share of attempted sends. Enter bounced messages, attempted sends. The filled example is editable and is not a saved personal record.

How should I interpret the result?

Use consistent currencies, reporting periods and accounting definitions. This arithmetic estimate excludes items not entered in the form.

Methodology maintained by ClarityKit. How these tools are built and checked.