Target CPA for Lead Gen vs Ecommerce
Ecommerce max CPA is cost per purchase. Lead gen max CPA is usually cost per lead — and your CRM closed-deal cap is a different, higher number.
Ecommerce: one conversion, one cap
In ecommerce, the ad platform conversion is a purchase. Max CPA is straightforward: contribution per order. Target CPA in Google or Meta should stay at or below that cap.
Lead gen: expected value per lead
Lead gen ads convert on form fills, calls, or demos — not closed revenue. Value per lead is deal value multiplied by close rate. A $5,000 service at 15% close rate has $750 expected value per lead.
Max cost per lead = (deal value × close rate × margin%) − fixed cost per lead
Max cost per closed deal = max cost per lead ÷ close rate
What to enter in ads vs CRM
- Google Ads target CPA → max cost per lead (platform conversion)
- CRM reporting → cost per closed deal (often 5–10× higher)
- Sales team asks for lower CPL — finance asks about cost per sale. Both are valid; label them clearly.
Full walkthrough: How to Set Target CPA.
Frequently asked questions
- What is target CPA for lead gen?
- Target CPA in ad platforms is typically target cost per lead — the max you can pay for a form fill or call and break even given close rate and deal value.
- How does close rate affect max CPA?
- Lower close rate reduces expected value per lead, which lowers max cost per lead. Max cost per closed deal equals max CPL divided by close rate.
- Should I optimize for leads or sales in Google Ads?
- Most campaigns optimize for leads because that is what the pixel fires. Use close rate offline to translate lead caps into sales economics.