Lead Gen Calculator

Cost Per Lead Calculator

Calculate your cost per lead — then add your close rate to reveal the true cost per acquired customer.

Cost per lead$0.00

What is cost per lead (CPL)?

Cost per lead (CPL) is how much you pay, on average, to generate one lead from a campaign or channel. It’s a useful top-of-funnel efficiency metric — but it only tells half the story until you connect it to how many of those leads become customers.

How to calculate CPL

The formula is:
CPL = Total marketing spend ÷ Leads generated
Spend $8,000 to generate 160 leads and your CPL is $50. Add your lead-to-customer rate above and the calculator also shows your true cost per acquired customer.

Cheap leads aren’t always good leads

Chasing the lowest CPL often backfires — broad, cheap traffic can crater your close rate and raise your real acquisition cost. The teams that win optimize for cost per customer, then squeeze more value from existing leads with faster follow-up and nurture automation rather than just buying more.

Frequently asked questions

  • How do you calculate cost per lead?

    CPL = total marketing spend ÷ number of leads generated. If you spend $8,000 and generate 160 leads, your CPL is $50.

  • What is a good cost per lead?

    It varies widely by industry and channel — a $50 CPL can be excellent for high-ticket B2B and expensive for low-ticket B2C. Judge CPL against your close rate and deal value, not in isolation.

  • Why does my close rate matter for CPL?

    Because cheap leads that never convert aren’t cheap. Dividing CPL by your lead-to-customer rate gives the true cost per acquired customer, which is what actually affects profitability.

  • How can I lower my cost per lead?

    Improve targeting and creative, raise landing-page conversion rates, and respond faster — automated, instant follow-up converts more of the leads you already pay for, lowering effective cost per customer.

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Want help putting these numbers to work?

Refinity helps growth-stage teams turn metrics like these into a measurable, automated growth system.