Cost Per Impression Formula
Cost Per Impression = Total Campaign Cost / ImpressionsCPM = Cost Per Impression x 1,000Cost per impression shows the average cost of one ad impression. Since the value is often very small, CPM is also useful because it shows the cost per 1,000 impressions.
How to Use the Cost Per Impression Calculator
- Enter the total amount spent on the ad campaign.
- Enter the number of impressions generated by the campaign.
- Optionally enter your target CPM to compare the calculated CPM with your goal.
- Review cost per impression and CPM in the summary block.
How to Interpret the Result
A lower cost per impression means you are paying less for each ad view, but it should not be evaluated alone. Audience quality, reach, frequency, clicks, conversions, and campaign goals also matter.
Example Calculation
If Total Campaign Cost is $1,000 and Impressions are 100,000, Cost Per Impression is $0.0100 and CPM is $10.00 per 1,000 impressions.
Planning Disclaimer
This calculator provides a simple estimate for planning and analysis purposes only. Actual advertising performance can vary depending on platform, bidding strategy, audience targeting, competition, creative quality, and campaign settings.
FAQ
What is cost per impression?
Cost per impression is the average amount paid for one ad impression. It is calculated by dividing total campaign cost by total impressions.
How do I calculate cost per impression?
Divide total campaign cost by impressions. For example, $1,000 divided by 100,000 impressions equals $0.0100 per impression.
Why does the calculator also show CPM?
Cost per impression is often very small, so CPM makes the number easier to understand by showing the cost per 1,000 impressions.
What is the difference between cost per impression and CPM?
Cost per impression is the cost of one impression. CPM is the cost of 1,000 impressions.
Can I use this calculator for paid social or display ads?
Yes. You can use it for any campaign where you know total ad cost and total impressions.