What It Is
Cost Per Lead is the average dollar amount you spend on marketing to generate one new lead. A lead is anyone who fills out a form, calls your business, or otherwise expresses interest. CPL helps you understand whether your marketing dollars are doing the job.
Formula
CPL = Total Marketing Spend / Number of Leads
Add up everything you spent on marketing in a period, divide by how many leads it produced, and you get your cost per lead. If you spent $2,000 on Google Ads and generated 40 phone calls, your CPL is $50.
Why It Matters
CPL is the metric most local business owners actually care about. It cuts through clicks, impressions, and traffic and tells you what it costs to get the phone to ring. If you know your CPL, you can decide whether to spend more, change channels, or fix your sales process.
Common Misconception
A low CPL is not always good. If those leads are unqualified or do not close, a $20 CPL can be more expensive than a $100 CPL that books real jobs. Always look at CPL alongside lead quality and close rate.
FAQ
What is a good CPL for a local service business?
It depends heavily on the industry and the value of a customer. Plumbing leads might run $40 to $150, while higher-ticket services like roof replacement can be $200 or more and still be profitable. Use your average job value as the yardstick.
Should I track CPL by channel?
Yes. Tracking CPL separately for Google Ads, organic search, social ads, and referrals shows you which channel is actually delivering for the price. Without that breakdown, you cannot make smart budget decisions.
What is the difference between CPL and CPA?
CPL measures the cost of generating a lead. CPA, or cost per acquisition, measures the cost of generating a paying customer. Every customer started as a lead, so CPA is always higher than CPL.
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