What is CPC?
Cost per click, or CPC, is the amount an advertiser pays each time someone clicks their ad, calculated as ad spend divided by total clicks.
Updated
CPC is not a lever you pull directly. It is the result of two other numbers: what you paid for impressions and how many people clicked. Written out, CPC equals CPM divided by click-through rate, divided by ten. That relationship is the useful part, because it tells you where a CPC problem actually lives.
If your CPC is climbing, either impressions got more expensive or your creative stopped earning clicks. The first is often seasonal or competitive and largely outside your control. The second is creative fatigue and is entirely within it. Diagnosing which one you have takes thirty seconds in the reporting and saves a great deal of wasted restructuring.
The larger point is that CPC is a middle-of-funnel vanity metric if you stop there. Traffic is not the goal. We have run Meta ads accounts at under ₹2 a click that were unprofitable and accounts at ₹15 a click that were excellent, and the difference every time was what happened after the click.
How CPC is calculated
CPC = Ad spend ÷ Clicks
A worked example
A gifting brand spends ₹27,335 on Meta in July and receives 15,356 clicks.
- Ad spend = ₹27,335
- Clicks = 15,356
- ₹27,335 ÷ 15,356 = ₹1.78
CPC = ₹1.78 per click.
Common mistakes
- Chasing a low CPC for its own sake. Cheap clicks from an uninterested audience cost more per purchase than expensive clicks from the right one.
- Comparing CPC between Meta and Google. Google search clicks carry existing intent and cost far more for good reason.
- Reading CPC without landing page conversion rate. A ₹2 click that never converts is more expensive than a ₹20 click that does.
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