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CPM and CTR calculator

CPM is what 1,000 impressions cost: total cost divided by impressions, times 1,000. CTR is the share of impressions that became clicks: clicks divided by impressions, times 100. Enter any two of cost, impressions and CPM to get the third, then add clicks for CTR and cost per click.

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CPM

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Cost

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Impressions

Not set

CTR

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CPC

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Enter any two of cost, impressions and CPM to solve for the third. Add clicks for CTR and CPC. No default CPM or CTR ships.

How it works

CPM = cost / impressions x 1,000
Cost = CPM x impressions / 1,000
Impressions = cost / CPM x 1,000
CTR = clicks / impressions x 100
CPC = cost / clicks
  1. 1

    Enter two of cost, impressions and CPM.

  2. 2

    The calculator fills in the third.

  3. 3

    Add clicks to get CTR and cost per click.

  4. 4

    Change any input and the results update.

FAQ

How do I calculate CPM?
Divide total cost by impressions and multiply by 1,000. A $150 spend that earns 60,000 impressions has a CPM of $2.50.
How do I calculate CTR?
Divide clicks by impressions and multiply by 100. 300 clicks from 60,000 impressions is a 0.5% CTR.
What is a good CPM or CTR?
This page doesn't show a benchmark, because we haven't found a named, dated study to cite. Your own past campaigns are the fairest comparison.
Can I use it for a sponsored post?
Yes. Enter the fee as the cost and the impressions the post earned to get its effective CPM.

Optional next step

Post to LinkedIn, X or YouTube from your AI agent

UniPost connects Claude, Cursor, Grok Bot or any MCP client to your LinkedIn profile, X and YouTube, so you can schedule posts from a chat. Your first 2 accounts are free.

See how it worksBrowse all free tools

Related tools

Also see Schedule posts from Claude

Sources