Conversion Rate Calculator
Calculate website or ad conversion rate from visitors/sessions and conversions. Solve for rate, conversions, or visitors, with revenue-per-visitor insight. Free online tool.
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What is Conversion Rate Calculator?
The Conversion Rate Calculator is a free online tool that computes the percentage of visitors who complete a desired action — a purchase, sign-up, or lead. Enter any two of conversion rate, conversions, or visitors and the tool instantly solves for the third. Optionally enter revenue to unlock revenue-per-visitor (RPV) and revenue-per-conversion, giving marketers, ecommerce managers, and growth teams a fast way to evaluate funnel performance and plan optimization experiments.
Key Benefits
- Solves for any of the three conversion variables from the other two
- Optional revenue input unlocks RPV and revenue-per-conversion metrics
- Uses the exact industry-standard conversion rate formula
- Locale-aware number and currency formatting (USD or THB)
- 100% client-side — no sign-up, no data leaves your browser
Common Use Cases
- •Ecommerce managers tracking store conversion rate and revenue per visitor
- •Marketers evaluating landing page and ad campaign performance
- •Growth teams planning A/B tests and projecting uplift from CRO wins
- •Agencies reporting funnel metrics to clients
- •Founders estimating traffic needed to hit revenue or conversion goals
How to Use the Conversion Rate Calculator
- Choose what to solve for: Use the Solve For dropdown to pick Conversion Rate, Conversions, or Visitors — whichever value you want to calculate.
- Enter the known values: Fill in the other two fields (e.g., conversions and visitors when solving for rate). The target field is disabled.
- Read the result: The missing value appears instantly in the results panel. Optionally enter revenue to see revenue-per-visitor insights.
- Copy or reset: Click Copy Summary to share the breakdown, or Reset to restore the defaults.
Key Features
- Solve-for selector: pick Conversion Rate, Conversions, or Visitors and the target field is computed live.
- Real-time recalculation as you type — no buttons needed.
- Optional revenue input unlocks revenue-per-visitor (RPV) and revenue-per-conversion metrics.
- Shows all three rearrangements of the conversion rate formula plus conversions per visitor.
- One-click copy of a clean rate, conversions, visitors, and revenue summary.