CPC calculator

Use this CPC calculator to find the average cost per click from spend and clicks. Add a target cost per acquisition and a conversion rate to see the highest bid that still pays.

Free, no sign-up. Runs in your browser, with no AI calls.

Your result

Average CPC
$1.50

CPC = cost / clicks

Maximum CPC for the target CPA
$2

Maximum CPC = target CPA × conversion rate / 100

CPA at the current CPC
$30

CPA = CPC / conversion rate × 100

What this means

Each click costs $1.50 on average. With a 5.00% conversion rate, a target CPA of $40 allows up to $2 per click.

Next step

Clicks cost $0.50 less than the maximum, so there is room to bid for more volume. Check the CPA after each change. Work out the cost per acquisition

Worked example. Change the inputs to use your own data. Currency follows the page language; no exchange-rate conversion is applied.

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Cost per click is ad spend divided by clicks. Spending 600 on 400 clicks gives an average CPC of 1.50. The maximum CPC you can afford is your target cost per acquisition times your conversion rate: a target of 40 at a 5% conversion rate allows up to 2.00 per click.

How to use this tool

Average cost per click
CPC = ad spend / clicks, the average cost per click as Google Ads Help defines it. Use spend and clicks from the same campaign and date range. Fees paid outside the ad account stay out unless you add them to spend.
Maximum CPC from a target CPA
Maximum CPC = target CPA × conversion rate / 100. A click is worth at most what a conversion is worth to you, times the share of clicks that convert. Bidding above it pushes the cost per acquisition past the target while the conversion rate holds.
CPA at the current CPC
CPA = CPC / conversion rate × 100. It shows what each conversion costs at the current click price, so you can compare it with the target before you change bids.

Google Ads Help: average cost per click

Questions before you start

Use the rate from your own campaign over a period with enough conversions to be stable. Without data, LocaliQ 2026 search advertising benchmarks give an 8.18% average Google Ads conversion rate across industries; replace it with your own figure once you have one.

No. The average CPC is what you paid per click. Google Ads Help explains that the actual CPC charged is often lower than the maximum bid, so a bid set at the maximum CPC can still cost less per click on average.

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  • ROAS calculator

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