Display campaign
You spend $2,500, get 120,000 impressions, and 1,600 clicks.
CPM is about $20.83 and CPC is $1.56.
This shows how much each exposure and click costs you.
CPM / CPC Calculator
Use this calculator when you want a clear, quick way to compare how much your ads cost per impression and per click.
Inputs
CPM / CPC Calculator
Compare cost per thousand impressions and cost per click.
Results
Campaign efficiency
Use CPM and CPC together to judge ad performance.
CPM
$20.83
Cost per 1,000 impressions.
CPC
$1.56
Cost per click.
CTR
1.33%
Clicks as a share of impressions.
Quick take
A quick read before you calculate
Use this calculator when you want a clear, quick way to compare how much your ads cost per impression and per click.
Formula
CPM / CPC formula
Examples
2-3 real scenarios to make the result easier to trust.
FAQ
Clear answers to the questions people usually ask first.
Formula
CPM / CPC formula
CPM = Ad spend ÷ Impressions × 1,000. CPC = Ad spend ÷ Clicks. CTR = Clicks ÷ Impressions × 100.
CPM tells you exposure cost. CPC tells you traffic cost. CTR shows how often people click.
Examples
Lower-volume test
You spend $500, get 20,000 impressions, and 180 clicks.
CPM is $25 and CPC is about $2.78.
Useful for early tests when traffic is small but direction matters.
High-click ad
You spend $900, get 45,000 impressions, and 1,200 clicks.
CPC is $0.75 and CTR is 2.67%.
A strong click-through rate often helps CPC stay efficient.
When to use
Use it when comparing creatives, audiences, or channels and you want the basic media numbers in one place.
Common mistakes
- Mixing impressions and clicks in the wrong formula.
- Judging ad performance on CPM alone.
- Comparing campaigns that ran for very different lengths of time.
FAQ
Which metric matters more, CPM or CPC?
It depends on your goal. CPM matters more for awareness, while CPC matters more when you want clicks.
Is CTR the same as conversion rate?
No. CTR shows clicks per impression. Conversion rate shows how many of those clicks became outcomes.
Next step
Need the finance side too?
If you want campaign numbers alongside invoices and expenses, QuickBooks or Xero can make reporting easier later on.
Use CPM, CPC, and ROAS together to get the full picture.