What is CPC?
CPC, or cost per click, is the average amount you pay each time someone clicks your ad. On Meta you will see two versions: CPC (all), which counts every click including likes and profile clicks, and CPC (cost per link click), which counts only clicks to your destination. For ads that send traffic to a site, cost per link click is the one to watch.
The CPC formula
Use "Find ad spend" above to budget for a number of clicks, or "Find clicks" to see how much traffic a budget buys.
Worked example
You spent $500 and got 400 clicks. $500 ÷ 400 = $1.25 per click.
Planning: if you need 2,000 visitors and your CPC is usually $0.90, budget about 2,000 × $0.90 = $1,800.
What drives your CPC
On Meta and TikTok you usually pay for impressions, so your CPC comes from two things: what the impressions cost (CPM) and how often people click (CTR).
A $10 CPM with a 1% CTR gives a $1.00 CPC. Raise the CTR to 2% and the CPC halves to $0.50 without the CPM changing. That is why the creative is the biggest lever you control: you cannot set the auction price, but you can make an ad more people click.
The most you can afford per click
A cheap click is only good if enough clicks turn into sales. Your break-even CPC is your maximum cost per acquisition multiplied by your conversion rate:
If you pay more than that per click, each sale costs more than it earns. Find your max CPA with the ROAS calculator, which works it out from your price and costs.
Why is my CPC going up?
- Your CPM rose: more competition for the same audience, often seasonal.
- Your CTR fell: the ad is fatiguing as the same people see it again and again.
- Your audience got narrower, or you moved to a more expensive placement or country.
- You switched optimization goal, for example from traffic to purchases, which shows the ad to people who click less often but buy more.
Check CPM and CTR together to see which one moved. The Meta Ads Metrics Calculator gives you both from your raw numbers.
How to lower your CPC
- Improve the hook and the offer to lift CTR.
- Rotate in fresh creatives before CTR starts falling.
- Broaden targeting so the auction has more people to choose from.
- Test placements and formats; Reels and Stories can price clicks very differently from Feed.