Landing Page Conversion Calculator accuracy and testing

Formula source

• Net profit = visitors * page conversion rate * lead-to-buyer rate * value per buyer - fees - traffic cost. Revenue per visitor = gross revenue / visitors.

Test cases

Known limitations

• These calculators do not connect to ConvertKit, email service providers, webinar platforms, ad platforms, or payment processors. They do not model deliverability changes, attribution windows, refunds, taxes, list fatigue, customer support load, or cohort-level retention unless you enter those assumptions yourself.

Assumptions

• Funnel results are estimates based on user-entered assumptions.
• The calculator uses only the conversion rates, values, costs, and fees you enter.
• Calculations are deterministic and run locally in your browser without uploading funnel data.
• Results do not predict deliverability, list quality, refunds, ad approval, platform changes, or future audience behavior.

Unit handling

• Visitors accepts numeric values.
• Page Conversion Rate accepts values in %.
• Lead-to-Buyer Rate accepts values in %.
• Value per Buyer accepts values in $.
• Payment / Platform Fee accepts values in %.
• Traffic Cost accepts values in $.
• Estimated Net Profit is displayed as currency.
• Revenue per Visitor is displayed as currency.

Rounding rules

• Number displays use up to 2 decimal places in the calculator UI.
• Currency outputs are displayed with standard US dollar formatting.
• Input precision follows configured step values where provided.

Version history

Change log