Free tool with optional AI assistance

Free Conversion Rate Calculator

Calculate conversion rate and reverse-plan the conversions, traffic and revenue impact required for a target rate.

Related topicsConversion optimizationMarketing analytics
Marketing performance calculator

Calculate Conversion Rate and Uplift

Use visitors and conversions from the same audience, page and period.

Local calculation
Your conversion analysis will appear here

Enter traffic, conversions, a target rate and conversion value.

Practical guide

How to Use the Conversion Rate Calculator

Conversion rate is a foundational metric, but useful analysis also considers traffic quality, customer value and statistical uncertainty.

Reverse-plan traffic

If you know the conversion target and expected rate, this tool calculates the required visitor volume.

Connect acquisition economics

Pair the output with the <a href="/customer-acquisition-cost-calculator/">CAC Calculator</a>, <a href="/ppc-roi-calculator/">PPC ROI Calculator</a> and <a href="/roas-calculator/">ROAS Calculator</a>.

Formula and example

Conversion Rate Formula

Conversion Rate=Conversions ÷ visitors × 100
Website conversion example
VisitorsConversionsCurrent rateTarget rate
25,0007503%4%
Questions answered

Conversion Rate Calculator FAQs

How do you calculate conversion rate?

Divide conversions by visitors or sessions, then multiply by 100.

Should I use users or sessions?

Use the measure that matches your reporting standard and keep it consistent across comparisons.

How do I calculate conversions at a target rate?

Multiply traffic by the target conversion rate expressed as a decimal.

Does conversion uplift prove incremental revenue?

No. The revenue estimate assumes conversion value and traffic quality remain stable.