The short answer
The only cost per lead that matters is the one your unit economics can carry. Work backwards: take average deal value, multiply by gross margin, multiply by your lead-to-close rate, then divide by your target payback multiple. That gives your maximum affordable cost per lead. Published benchmarks vary so widely by sector, deal size, and channel that using them as targets usually causes teams to cut profitable channels.
Why published benchmarks mislead
A lead for a $2,000 annual subscription and a lead for a $200,000 implementation are not comparable inputs, yet they get averaged into the same industry figure. Sector, deal size, sales cycle, and channel each move the number by multiples.
The practical result is teams killing a channel producing expensive leads that close at triple the rate, because a blog post said their cost per lead was too high.
Calculate your own ceiling
Four inputs, one calculation, and you have a number that is actually yours:
- Average deal value over the last twelve months — not your best quarter.
- Gross margin on delivery.
- Lead-to-close rate by channel, not blended.
- Target payback — how much gross profit you want per dollar of acquisition spend.
Judge channels on closed revenue, not lead count
Once you have a per-channel close rate, cost per lead becomes almost irrelevant next to cost per closed deal. A channel producing half the leads at twice the close rate is the better channel, every time.
This is also the fastest way to find waste: most accounts we audit have one channel quietly producing volume that never converts, protected by a healthy-looking cost per lead.
Improving the number without cutting spend
Before reducing budget, tighten the things that raise close rate: faster response, better targeting, clearer offers, and a follow-up cadence that survives past touch three. These lift the affordable ceiling instead of shrinking the top of the funnel.
Frequently asked
What is a good cost per lead in B2B?
There is no universal figure. Anything below your calculated affordable ceiling is good; anything above it is not, regardless of what the industry average says.
Should cost per lead include salaries and tools?
Yes, if you want a number you can make decisions with. Media-only cost per lead consistently understates true acquisition cost.
How often should we recalculate it?
Quarterly, and immediately after any pricing change — pricing changes move the affordable ceiling more than anything else.
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