When to use this calculator
Click-through rate and click-to-open rate use different denominators; this tool uses the delivered audience.
Explore the marketing & customer calculators for other questions in this topic. For a related calculation, use the Email Open Rate Calculator: Find unique recorded opens as a share of delivered campaign emails.
PUTTING IT INTO PRACTICE
Email Click Through Rate: a worked example
The values below are an illustrative example, not a recommendation. Replace them with measurements or assumptions that match your question.
| Input | Example value |
|---|---|
| Unique clicking recipients (integer) | 120 |
| Delivered emails (integer) | 4,000 |
| Result | 3 % |
- Check the input labels and enter the example values above.
- Apply the relationship: CTR (%) = unique clicking recipients/delivered emails × 100.
- The result is 3 %, rounded for display.
How to interpret your result
Uses delivered emails, not opens. Automated security clicks may affect measurement.
Define the event, audience and attribution window before calculating a rate. Clicks, customers and orders are different units. Acquisition cost and campaign CPA may cover different spending categories.
Frequently asked questions
Should I count unique users or total events?
Use the definition matching your metric. State it consistently because repeat events can produce a different rate from unique people.
When is the email click through rate calculator useful?
Click-through rate and click-to-open rate use different denominators; this tool uses the delivered audience.
How do I use the email click through rate calculator?
Enter unique clicking recipients (integer), delivered emails (integer). The result updates automatically. Use the units shown beside each input; the example values illustrate the method.
Which formula does this calculator use?
CTR (%) = unique clicking recipients/delivered emails × 100.
What should I check before using the result?
Uses delivered emails, not opens. Automated security clicks may affect measurement.
How are results rounded?
Scalar numbers display up to six decimal places, with scientific notation for very large or small values. Text, fraction, date and schedule outputs use the format described on the tool. Intermediate calculations use JavaScript floating-point arithmetic. Keep sensible precision for your measurements.
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