Email Open-Rate Revenue Calculator accuracy and testing

Formula source

• Campaign profit = recipients * open rate * click rate from opens * purchase rate from clicks * average order value - fees - campaign cost.

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

• Recipients accepts numeric values.
• Open Rate accepts values in %.
• Click Rate from Opens accepts values in %.
• Purchase Rate from Clicks accepts values in %.
• Average Order Value accepts values in $.
• Payment / Platform Fee accepts values in %.
• Campaign Cost accepts values in $.
• Estimated Campaign Profit is displayed as currency.
• Gross Revenue 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