About Manual CPC bidding

With Manual Cost-Per-Click (CPC) bidding, you can set a maximum price on the cost of someone clicking on your ads. You can get good value with this bidding method because you pay only when a viewer is interested enough to click your ad and learn more.

Think about billboards: Advertisers pay for billboard space based on how many people might see their ad as they drive by, whether those people actually notice the ad or not.

Internet ads are different: With Google Ads CPC bidding, you only pay for Google's "billboard space" when you know users saw your ad and were motivated enough to click. If 100 people view your ad and three click it, you pay for the 3 clicks, not for the other 97 views.

How CPC bidding works

For CPC bidding campaigns, you set a maximum cost-per-click bid - or simply "max. CPC", that's the highest amount that you're willing to pay for a click on your ad (unless you're setting bid adjustments, or using Enhanced CPC).

Example

If you think it's worth $0.25 USD to have someone visit your website, you can set $0.25 USD as your max. CPC. You'll pay a maximum of $0.25 USD when a person clicks your ad, and you pay nothing if they don't click.

Let's say you create a text ad and set a max. CPC bid of $0.25 USD. If 500 people see the ad, and 23 of them click to learn more, you pay only for those 23 clicks. Your max. CPC bid was $0.25 USD, so you'll pay no more than 23 clicks x $0.25 USD, or $5.75 USD.

Often you'll pay less than your max. CPC because with the Google Ads auction, the most you'll pay is what's minimally required to clear the Ad Rank Thresholds and beat the Ad Rank of the competitor with the next highest Ad Rank for a given position (if any). Read the section below on actual CPC to learn more about the final amount you're charged for a click.

The power of Google Ads automated bidding

Google Ads automated bidding takes much of the heavy lifting and guesswork out of setting bids to meet your performance goals. Conversion-based bidding is powered by auction-time technology, optimizing bids with precision on actual search queries for each and every auction. It also factors in a wide range of auction-time signals including device, location, time of day, language, and operating system to capture the unique context of every search. Learn more about Google Ads automated bidding

How to decide what CPC bid amount to set

How do you know what CPC to set? You can figure this out based on what you know about your business and the value of a sale. For example, if you sell $5,000 USD worth diamond rings, one new customer is probably worth more than if you sell $0.99 USD packs of gum.

A default max. CPC bid will be set for you when you select Manual CPC. You can change this to max. CPC amounts that you're comfortable with, see how many clicks your ads begin to accrue, and whether those clicks lead to business results on your website. Keep in mind that Internet traffic is always changing, so it's advised to re-evaluate your CPC bids regularly.

Using Google tools to help you decide CPC bids

  • Bid Simulator runs "what-if" scenarios like, "How many more impressions would I have gotten if my bid had been $0.10 USD higher last week?"
  • Keyword Planner shows you how often some keywords get searched, and gives you cost estimates at a glance.
  • First-page bid estimates helps you see how much you may need to bid to put your ad on the first page of Google search results.

Using bid adjustments to reach the right customers

You can set bid adjustments that increase or decrease your max. CPC bids for searches occurring on mobile devices or in specific locations. If your campaign targets the Display Network, you can also set bid adjustments for targeting methods in your ad group, like topics or placements, to help your ad show to the most relevant audience. Bid adjustments give you more control over when and where your ad appears, and are applied on top of your existing bids.

The final amount you're charged

Your max. CPC bid is the most you'll be charged for a click, but you'll often be charged less, sometimes much less. That final amount you're charged for a click is called the actual CPC.

Actual CPC is often less than max. CPC because with the Google Ads auction, the most you'll pay is what's minimally required to clear the Ad Rank thresholds and beat the AdRank of the competitor with the next highest Ad Rank for a given position (if any).

How a max. CPC bid affects your Ad Rank

In the Search Network, your Ad Rank helps determine your eligibility, and if eligible, where on the search results pages your ads are shown (if at all) relative to other advertisers’ ads. If you run your ads on the Display Network, Ad Rank plays the same key role there. As Ad Rank is a score that's based on your max. CPC bid and the quality of your ad compared to other advertisers' ads, raising your max. CPC will probably increase your ad's chances of appearing.

Max. CPC bidding options

You can apply your max. CPC bid several ways. Let's say you have a bakery, and you've set up a "breakfast" ad group with keywords like donuts, crullers, and apple fritters. Here's how you might set your bids:

  • If you want all the keywords in an ad group to have the same bid: Set an ad group default bid. If you choose a $1 USD CPC, then that's your max. CPC when someone searches for donuts, crullers, or apple fritters - any of your keywords. The same bid applies to placements if you're running your ad on the Display Network. This is the easiest way to manage your CPCs.
  • If you want the keywords in an ad group to have different bids: Set keyword bids. For instance, if you know that people who search for apple fritters tend to buy more than people searching for donuts, then you might bid $1.25 USD for each click on apple fritters and $1 USD for each click on donuts.
  • If you want your Display Network targeting methods to have different bids: You can set a max. CPC for placements, topics, or other targeting methods. For instance, you can try to help your ad show on a donut recipes website by setting a custom bid for that particular placement on the Display Network.

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