CPC calculator
CPC
$0.67
Cost per link click.
- CTR
- 1.50%
- CPM
- $10.00
The formula
CPC = ad spend ÷ link clicks
Cost per click is what you paid to bring one person from the ad to your website, landing page or booking form. It sits between the price of attention (CPM) and the cost of a customer (CPA), and it is the number most directly shaped by the creative.
Add impressions and the calculator also shows:
- CTR = clicks ÷ impressions × 100
- CPM = spend ÷ impressions × 1,000
The relationship that matters: CPC = CPM ÷ (CTR × 10). You don't control CPM much (it is set by the auction and your audience), but you do control CTR, through the creative and the offer.
A worked example
A dentist's practice spends $300 on a campaign promoting free first exams. Ads Manager reports 450 link clicks from 30,000 impressions.
| Calculation | Result | |
|---|---|---|
| CPC | 300 ÷ 450 | $0.67 |
| CTR | 450 ÷ 30,000 × 100 | 1.50% |
| CPM | 300 ÷ 30,000 × 1,000 | $10.00 |
The table beside the calculator shows LocaliQ's single reported average for its Dentists & Dental Services category at $0.61 a click, so $0.67 is close to what that source measured. To find out whether the clicks pay off, the practice needs the next step: how many clicks became booked exams. With 18 bookings, cost per booking is $300 ÷ 18 = $16.67, a number the CPA calculator handles directly.
How to read your result
- Compare like with like. Traffic campaigns, which Meta optimizes for clicks, produce cheaper clicks than lead or sales campaigns, which optimize for people more likely to convert.
- A cheap click is not automatically a good one. If cost per click is low but almost nobody converts, the ad attracts the wrong people. Tighten the message so it filters as well as attracts.
- When CPC rises, check CTR first. If CTR fell, the creative is tiring; refresh it. If CTR held and CPM rose, competition went up; give it time or broaden the audience.
To set a budget from a target number of clicks or leads, use the Facebook ads budget calculator, which reads the same cited figures. For the price of impressions alone, use the CPM calculator.
Common reasons a CPC looks wrong
The campaign optimizes for something else. Lead and purchase campaigns deliberately pay more per click to reach people likely to convert, so their CPC is higher than a traffic campaign's. Comparing the two says nothing about either.
"Clicks (all)" instead of link clicks. All clicks include taps on the profile, likes and "See more". They make CPC look cheaper than it is. Always divide by link clicks.
A tiny sample. With a few dozen clicks, CPC swings day to day for no reason. Judge it over at least a week, or a few hundred clicks.
Creative fatigue. When the same people see an ad many times, CTR falls and CPC rises. Ads Manager's frequency column tells you whether that is the cause; above roughly three impressions per person in a week, it often is. Rotate in new creatives before the old ones wear out, and grade them first with the ad creative grader.
Limits
CPC ignores what happens after the click. It is a means, not a result; most businesses should optimize for leads or purchases and treat CPC as a diagnostic. Published CPC benchmarks blend objectives and countries, and some sources publish medians while others publish averages, so the ranges are wide; treat them as orientation, not targets. And bots and accidental taps inflate clicks on some placements, which is another reason to judge campaigns on conversions.