Average CPA on Google Ads
Google publishes no average CPA. Costs are set per auction; you set the budget and the target. The best published proxy is the LocaliQ 2026 search-ads survey: $66.69 average cost per lead overall, ranging from about $27 (arts) to $132 (legal) by industry.
$66.69
avg cost per lead, searchLocaliQ · 2026
$5.42
avg CPC, searchLocaliQ · 2026
8.18%
avg conversion rateLocaliQ · 2026
First-party
What Google itself publishes
Auction-based pay-per-click; advertiser sets own bids and daily budget (target CPA via Smart Bidding). No rate card, no stated minimum spend.Google's pricing page now routes to its bidding tools and frames Smart Bidding as AI setting bids per individual auctionGoogle · checked 2026. So any "official Google CPA benchmark" you see quoted is third-party survey data, and the survey's vintage is the first thing to check. Verified 2026-08-01.
Survey
Cost per lead by industry, search campaigns
Scope note: the survey covers Google Ads and Microsoft Ads search campaignsLocaliQ · 2026 survey, not display, Performance Max in isolation, or social. Cost per lead is its conversion-cost metric.
Mechanics
What you actually pay: Target CPA
On search, your realized CPA is CPC ÷ conversion rate; automated bidding moves the CPC side per auction against your targetGoogle Help · checked 2026. Set the target from your history and your break-even ceiling, not from the survey: the survey tells you whether your market is a $30 or a $130 neighbourhood, nothing more. Full strategy mechanics and failure modes on Target CPA. Cross-engine arbitrage against the same keywords: Google vs Microsoft. Search-vs-social decision: Google vs Meta.