When to use this calculator
Find what percentage of visitors complete a chosen action. Define a conversion consistently; repeated events can differ from unique converted visitors.
Explore the marketing & customer calculators for other questions in this topic. For a related calculation, use the Cost Per Acquisition Calculator: Calculate advertising cost for each recorded conversion.
PUTTING IT INTO PRACTICE
Conversion 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 |
|---|---|
| Conversions | 125 |
| Visitors | 5,000 |
| Result | 2.5 % |
- Check the input labels and enter the example values above.
- Apply the relationship: Conversion rate (%) = conversions ÷ visitors × 100.
- The result is 2.5 %, rounded for display.
How to interpret your result
Define a conversion consistently; repeated events can differ from unique converted visitors.
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.
How do I use the conversion rate calculator?
Enter conversions, visitors. The result updates automatically. Use the units shown beside each input; the example values illustrate the method.
Which formula does this calculator use?
Conversion rate (%) = conversions ÷ visitors × 100.
What should I check before using the result?
Define a conversion consistently; repeated events can differ from unique converted visitors.
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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