Conversion Rate Calculator
Calculate the percentage of visitors or leads that complete your desired action. Free, instant and mobile-friendly.
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Formula
Conversion rate = Conversions ÷ Visitors or leads × 100
How to use this result
Use the result to compare scenarios, set targets and identify the number that most affects your decision. Recalculate when prices, costs, customer volume or campaign performance change.
This calculator provides an estimate based on your inputs and is not accounting, tax, legal or investment advice.
Understand your Conversion Rate Calculator result
Conversion rate is the percentage of eligible visitors or leads who complete a desired action, such as purchasing, booking, registering or requesting a quote.
Worked example
If 175 of 5,000 visitors convert, the conversion rate is 3.5%. At the same traffic level, each additional percentage point would create 50 more conversions.
How to interpret it
Compare like with like: the same conversion definition, traffic source, device and date range. A higher rate is valuable only when lead or customer quality is maintained.
Practical next steps
- Define one primary conversion before measuring.
- Segment results by source and device.
- Run controlled tests and record sample size.
Questions to ask before deciding
Are all relevant costs included? Is the time period consistent? How would the result change if volume, price or cost moved by 10%? Save your assumptions so you can compare the estimate with actual performance later.