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Email Open Rate Calculator

Calculate unique opens as a share of delivered emails.

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 unique opens, delivered emails.
  2. Select Calculate to view the result.
  3. Check the method and assumptions below before using the result.

The method, explained

Open rate = unique opens/delivered emails × 100%.

A WORKED EXAMPLE

Using unique opens = 250, delivered emails = 1000, the result is 25 %. Change these example inputs to match your task; use the method above to check each step.

What to keep in mind

Tracking privacy features can affect observed opens. 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?

Calculate unique opens as a share of delivered emails. Enter unique opens, delivered emails. The filled example is editable and is not a saved personal record.

How should I interpret the result?

Tracking privacy features can affect observed opens. 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.