How Much Should I Be Paying for Google Ads?
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Written by Christopher Krassnig, Founder & CEO of ZenoX Media. Answers every question here from the accounts ZenoX runs, not from theory.
The short answer
You should pay no more per click than your order value times your margin times your conversion rate. A €60 order at a 40% margin and a 2% conversion rate gives €0.48. Pay more and each sale costs more in ads than it leaves. At ZenoX we use this limit because a fair price depends on your store.
Why the Real Limit Sits Lower
That sum leaves out payment fees, returns, apps, tools, staff and any agency fee. At break-even you also make nothing. So set your target below the limit, and leave yourself room to earn.
What You Pay in the Auction
Your max bid is the most you agree to pay for a click, unless you use bid adjustments, automated bidding or Enhanced CPC. You are often charged less. Google says you pay what is needed to clear the Ad Rank thresholds and beat the ad below you. When the gap to that ad grows, you may pay more per click. Checked on Google's help pages, 5 November 2026.
So a fair price is not one number on a chart. It changes with every auction.
When Your Clicks Cost More Than Your Limit
Change the offer before you touch the ads. Raise the order value with bundles, or pick products with more margin. A better page helps too, because a higher conversion rate lifts your limit. At a 3% conversion rate, the same €60 order and 40% margin gives €0.72.
This answer covers the click price only. For the monthly budget, use the calculator in our Google Ads cost guide.
How to Work Out Your Google Ads Click Limit
- 1
Find Your Average Order Value
Take your sales for the month and divide by the number of orders. Example: €60.
- 2
Find Your Margin
This is what a sale leaves after product and shipping, as a share of the order. Example: 40% is 0.40.
- 3
Find Your Conversion Rate
This is the share of clicks that buy. Example: 2% is 0.02. No data yet? Start with a guess, then swap in your own number.
- 4
Multiply the Three
€60 x 0.40 x 0.02 = €0.48. That is your break-even click price.
Related questions
Keep Going
- How Much Does It Cost to Bid on Keywords in Google Ads?
- Does Each Product Need Its Own Break-Even ROAS?
- How Much Should I Budget per Month for Google Shopping Ads?
- Why Did My Cost per Click Suddenly Spike on an Account That Was Already Running Fine?
- What Does It Mean When Google Ads Says My Campaign Is Limited by Budget?
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