Cost Per Lead Calculator
What a lead costs, what a customer costs, and the most you can pay for a lead before the channel stops making money.
Your numbers
$5,000 across 100 leads
A $50.00 lead is profitable here because your break-even is $300.00. The gap between those two numbers is your actual headroom to bid harder.
The arithmetic
CPL = spend ÷ leadscost per customer = CPL ÷ lead-to-customer ratebreak-even CPL = deal value × gross margin × lead-to-customer rateEvery figure above comes from an input you set. There are no industry averages baked in, because an average you cannot check is worse than no number at all.
Cost per lead is only half a metric
Cost per lead is easy to measure and easy to game, which is a dangerous combination. Loosen the definition of a lead and your CPL improves immediately while the business gets no better — you have simply moved the failure downstream to a close rate nobody is watching.
That is why the calculator above asks for a close rate, a deal value and a margin. Those three turn a lead cost into a customer cost, and a customer cost into a verdict.
The number to actually manage against
Break-even cost per lead is your deal value × gross margin × close rate. Worked through: $3,000 deals at a 50% margin closing at 20% support a break-even of $300 per lead. Pay $50 and the channel is strongly profitable. Pay $400 and it is losing money however impressive the lead volume looks in the report.
The gap between your actual CPL and your break-even CPL is your headroom — and headroom is permission to bid harder and take more of the market, which is usually worth more than the efficiency you give up.
Where CPL misleads
- Long sales cycles. Leads generated this month close next quarter. Comparing this month's spend against this month's closes will make a healthy channel look broken.
- Mixed lead quality. One blended CPL across channels that close at 5% and 40% is an average of two unrelated things. Calculate it per channel.
- Ignoring sales capacity. Cheap leads that nobody has time to call cost full price and return nothing.
For the whole-business version of this question, the CAC calculator loads in salaries and lifetime value.