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CPM, CPC and CTR calculator

All three metrics come from the same three figures: spend, impressions and clicks. Enter the values from your ad report.

Your figures
Result
CPM (cost per 1,000 impressions)
–
CPC (cost per click)–
CTR (click-through rate)–

The calculation runs in your browser; the values you enter are not sent anywhere.

Formula: CPM = Spend ÷ Impressions × 1,000 · CPC = Spend ÷ Clicks · CTR = Clicks ÷ Impressions × 100

How it is calculated

  1. Step 1

    CPM is the cost of showing the ad a thousand times: divide spend by impressions and multiply by a thousand.

  2. Step 2

    CPC is the cost of one click: divide spend by the number of clicks.

  3. Step 3

    CTR is the share of viewers who clicked: divide clicks by impressions and multiply by a hundred.

How to read the result

CPM shows how expensive it is to reach your audience; it varies by audience, country and season.

CTR shows whether the creative and copy attract interest. If CTR is low, change the creative and the first sentence first.

These three are intermediate metrics. The one to watch is cost per result: the cost of one sale, message or lead.

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Other free tools

1. ROAS calculatorROAS shows how much revenue each unit of ad spend brings back. Enter your spend and the revenue that came from ads.2. Break-even ROAS calculatorBreak-even ROAS is the point where ads neither make nor lose money. Any ROAS above it is profit; any ROAS below it is a loss.3. Ad budget calculatorA budget is worked out backwards from the goal: how many sales, messages or leads do you want per month, and what is the most you can pay for one?

Frequently Asked Questions

The most frequently asked questions about your industry and Adsaify solutions.

Why does CPM go up?
Avatar
When more advertisers target the same audience (for example in busy shopping periods), when the audience is narrowed too far, or when the ad is shown to the same people too often.
Clicks or link clicks?
Where do I see these values?

Keep reading on this topic

Guide · 5 min read1. How to Read Ad Results: CPM, CTR, Cost per Result and ROAS

What CPM, CPC, CTR, cost per result and ROAS mean, when to judge an ad, and what to change first when it underperforms.

Read the guideGuide · 6 min read2. How to Choose Your Ad Audience: Location, Age and Interests

How to set location, age, gender and interest targeting, when to go broad, and what happens when an audience is too narrow or too wide.

Read the guideGuide · 7 min read3. How to Write Ad Headlines and Copy

How to write headlines and primary text, why to use several versions, and which phrases get ads rejected, with store and service examples.

Read the guide