CPL stands for Cost Per Lead.

Definition of CPL (Cost Per Lead)

CPL is a specific marketing metric and billing model used to evaluate the efficiency of campaigns focused on acquiring new potential customers:

  • Billing Model – An advertising payment method where the advertiser pays only for the acquisition of contact information (a lead) from a person who has expressed interest in the offer.
  • Performance Metric (KPI) – A measure that determines the average cost a company incurs to acquire a single contact for a potential client within a specific marketing campaign. 

CPL is a specialized and very popular sub-type of the CPA (Cost Per Action) model, where the defined "action" is specifically the generation of a lead.

What constitutes a "Lead" in the CPL model?

A lead is typically an individual who has provided their contact details through actions such as:

  • Filling out a contact or inquiry form.
  • Signing up for a newsletter.
  • Downloading valuable content (e.g., e-books, reports, price lists) in exchange for an email address.
  • Registering for a webinar or a free consultation.

CPL Formula:

CPL is calculated by dividing the total campaign cost by the number of leads generated:

CPL = Total Campaign Cost Number of Leads Acquired

Example: If 5,000 PLN was spent on advertising and 250 newsletter sign-ups (leads) were acquired, the CPL is 20 PLN.

CPL = 5,000 PLN 250 = 20 PLN

When is CPL used?

CPL is crucial for companies with long or complex sales cycles (e.g., B2B, financial services, real estate, education). In these industries, acquiring a contact is the first and most vital step in the sales funnel before a final transaction occurs.