CPC

CPC, or cost per click, is the price paid each time a user clicks on an ad.

Beginner3 min readUpdated 25 Mar 2026Bukhosi Moyo

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Quick Answer

CPC measures how much you pay each time someone clicks your ad. It is a core paid-media metric because it reflects auction pressure, ad relevance, and traffic cost. A lower CPC is not always better if the cheaper traffic converts poorly or comes from weaker intent.

Key Takeaways

  • CPC measures traffic cost, not profitability by itself.
  • Bid pressure, quality, and competition all affect CPC.
  • Cheap clicks can still be expensive if they do not convert.

Want the full breakdown? Scroll below.

CPC is one of the basic economics metrics of paid media. It helps teams understand what traffic is costing before conversion quality is even measured.

What It Means

It stands for cost per click and reflects the amount paid each time a user clicks an ad.

Why It Matters

CPC affects how far a budget can go. Higher CPCs may be fine in valuable markets, but they still need strong conversion rates and economics behind them.

Example In Practice

Two campaigns may have very different CPCs, but the one with the higher CPC can still be better if the traffic converts more profitably.

What It Is Not

CPC is not a final success metric. It should be interpreted alongside CPA and ROAS.

Related Terms

Deeper Guides

When This Matters For Your Business

CPC matters when the business needs to understand whether paid traffic is becoming more expensive and whether the economics still work.

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