Work out what each lead costs — and what each customer costs once conversion is factored in. Free, with no signup.
Total marketing / campaign spend
Leads generated
Lead-to-customer conversion rate % (optional, for cost per customer)
Work out your cost per lead — and your cost per customer — in seconds. Free and calculated in your browser.
Enter your spend
Add the total marketing or campaign spend for the period.
Enter your leads
Add how many leads that spend generated.
Add conversion rate (optional)
Include your lead-to-customer rate to get cost per customer.
Read the result
See your CPL and what each new customer really costs.
Cost per lead is the fastest way to compare marketing channels on a level playing field. Divide what you spent by the leads you got, and you can see instantly whether your ads, content or outbound campaigns are pulling their weight.
This free calculator gives you CPL in seconds. Add your lead-to-customer conversion rate and it also shows your cost per customer — the number that actually decides whether a channel is profitable, because a lead only has value if it eventually buys.
Treat every published CPL benchmark with caution: the studies disagree with each other, and the honest answer is that cost per lead varies enormously by industry, region, deal size and how strictly you define a "lead". That said, some broad patterns hold up across most reports.
Email outreach is consistently among the cheapest channels — once you have tooling in place, the marginal cost of a cold email campaign is mostly time, so self-run outbound often lands in the tens of dollars per qualified lead. Organic search and content marketing tend to have a low ongoing CPL but a high upfront investment before they produce anything. Paid search for B2B keywords commonly runs from tens to a few hundred dollars per lead, with competitive keywords far above that. LinkedIn and other B2B social ads usually sit at the pricier end of paid media, and events or trade shows regularly cost several hundred dollars per lead once travel, staff time and sponsorship are counted.
The ranking matters more than any specific number: outbound email and organic channels are usually cheapest, paid media sits in the middle, and in-person channels cost the most. Wherever your channels fall, judge them by cost per customer, not cost per lead — a $200 lead that closes 20% of the time beats a $30 lead that closes 1%.
Paid channels charge you for every impression and click, whether or not the right person ever sees them. Cold email reaches exactly the prospects you choose, at a cost that barely grows as you scale.
Emailchaser helps you find and verify prospect emails and run follow-up sequences that get replies — a direct way to bring down the cost per lead you just calculated.
How do you calculate cost per lead?
CPL = total marketing or campaign spend ÷ the number of leads it generated in the same period. For example, $5,000 of spend that produces 125 leads gives a cost per lead of $40.
What is a good cost per lead?
There is no universal number — a good CPL depends on your industry, region and, above all, what a customer is worth to you. A $200 lead is cheap if customers are worth $10,000, and a $10 lead is expensive if they never buy. Compare your CPL to your own cost per customer and customer value rather than to someone else's benchmark.
What's the difference between cost per lead and customer acquisition cost?
Cost per lead measures what it costs to generate an interested prospect; customer acquisition cost (CAC) measures what it costs to win a paying customer. CAC is always higher because only a fraction of leads convert. This calculator bridges the two: add your lead-to-customer conversion rate and it shows your cost per customer.
What costs should I include in my cost per lead?
Include everything the channel actually costs you for the period: ad spend, tool subscriptions, agency fees, salaries or time spent, and content production. Leaving costs out makes a channel look cheaper than it is and leads to bad budget decisions.
How can I lower my cost per lead?
Tighter targeting, better offers and cheaper channels. Cold email is one of the lowest-cost lead channels available — the main costs are tooling and time, so a well-run campaign to a verified list can produce leads far below typical paid-ads CPLs.
Is a lower cost per lead always better?
No. Cheap leads that never convert are the most expensive leads of all. Always judge CPL together with the lead-to-customer conversion rate — a channel with a higher CPL but much better conversion often produces cheaper customers.
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