When to use this calculator
Calculate advertising clicks as a percentage of recorded impressions. Uses event counts. Repeated clicks and the platform’s impression definition can affect results.
Explore the marketing & customer calculators for other questions in this topic. For a related calculation, use the Click to Open Rate Calculator: Measure email clicks relative to unique opens rather than delivered emails.
PUTTING IT INTO PRACTICE
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 |
|---|---|
| Recorded clicks (integer) | 100 |
| Impressions (integer) | 5,000 |
| Result | 2 % |
- Check the input labels and enter the example values above.
- Apply the relationship: CTR (%) = clicks/impressions × 100.
- The result is 2 %, rounded for display.
How to interpret your result
Uses event counts. Repeated clicks and the platform’s impression definition can affect results.
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 click through rate calculator useful?
Calculate advertising clicks as a percentage of recorded impressions. Uses event counts. Repeated clicks and the platform’s impression definition can affect results.
How do I use the click through rate calculator?
Enter recorded clicks (integer), impressions (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 (%) = clicks/impressions × 100.
What should I check before using the result?
Uses event counts. Repeated clicks and the platform’s impression definition can affect results.
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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