
Lead Reporting
Part of Measuring lead generation quality
Calculating cost per qualified lead
Calculate cost per qualified lead with a defined cost boundary, qualification rule and enquiry cohort, then read the result in context.
Cost per qualified lead is assigned lead-generation cost divided by the number of distinct leads meeting a stated qualification rule. Define both sides before calculating it. A low cost per submission can conceal a high cost per qualified enquiry when many submissions cannot be used.
Define “qualified” first
Choose the milestone for this calculation. It might be marketing's documented handoff rule, or sales' acceptance of an enquiry for follow-up. Label the result accordingly, such as “cost per sales-accepted enquiry”, and use the same rule across the campaigns being compared.
Count distinct qualifying enquiries. A second form submission about the same need should not create another qualified lead merely because it created another record. Show cases awaiting assessment beside the result; their eventual decisions may change the denominator.
Set the cost boundary
A media-only calculation can compare paid campaign spend. A fuller calculation may include production, agency fees and internal campaign labour where they can be assigned consistently. State what is included, the currency, period and tax treatment.
Allocate a shared cost once under a documented rule, or report it separately when a reliable allocation is unavailable. For platform reporting, match the attributed count to the same cost boundary and cohort.
Match costs to the activity that generated the chosen enquiry cohort as closely as the records allow. Dividing one month's spend by every lead qualified in that month can mix old enquiries with new ones. For a received-date cohort, follow enquiries first received in the chosen period and update their status after a stated assessment window.
Cost per qualified lead = assigned lead-generation cost ÷ distinct qualified enquiries from the defined cohort.
If no enquiry has qualified, show the spend and report “no qualified leads”. A quotient is undefined when the denominator is zero.
Steps to Calculate Cost per Qualified Lead
- Define the qualification rule (e.g., sales acceptance)Use a documented handoff rule or sales team agreement.
- Set the cost boundaryInclude media spend, production, agency fees and internal labour where assignable.
- Count distinct qualified leadsExclude duplicate submissions for the same need.
Work through an example
Suppose a hypothetical Australian campaign has AUD 6,000 in assigned media and production costs. It produces 60 distinct enquiries, of which 24 meet the agreed sales-acceptance rule after review. Cost per enquiry is AUD 6,000 ÷ 60 = AUD 100. Cost per sales-accepted enquiry is AUD 6,000 ÷ 24 = AUD 250.
Neither figure says whether accepted enquiries became customers or whether the work was profitable. A campaign with a higher cost per accepted enquiry could still have different customer outcomes.
Keep platform metrics in context
A platform-reported conversion count is not necessarily a count of distinct qualified enquiries. The calculation still depends on the stated qualification rule and cohort.
Google Ads Help describes offline conversion imports. Interpret platform figures against the business's defined qualification rule and cohort.


