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Email Click-to-Open Rate Calculator

Compare unique clickers with unique tracked openers.

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 clickers, unique openers.
  2. Select Calculate to view the result.
  3. Check the method and assumptions below before using the result.

The method, explained

CTOR = unique clickers/unique openers × 100%.

A WORKED EXAMPLE

Using unique clickers = 50, unique openers = 250, the result is 20 %. Change these example inputs to match your task; use the method above to check each step.

What to keep in mind

Tracking discrepancies can produce unusual ratios; this does not correct tracking data. 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?

Compare unique clickers with unique tracked openers. Enter unique clickers, unique openers. The filled example is editable and is not a saved personal record.

How should I interpret the result?

Tracking discrepancies can produce unusual ratios; this does not correct tracking data. 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.