CPM Calculator – Cost Per Thousand Impressions
This CPM Calculator helps you calculate your advertising cost based on CPM (Cost Per Mille), which is the cost per 1,000 ad impressions. Whether you're running Google Ads, Facebook Ads, or any other display campaign, this tool helps you plan your budget and analyze your ad performance.
How to Use the CPM Calculator
Enter any two of the following values:
- Total Impressions (number of ad views)
- Total Cost (budget spent on ads)
- CPM (cost per thousand impressions)
The calculator will solve for the third value based on the standard CPM formula.
CPM Formula
CPM = (Total Cost ÷ Total Impressions) × 1000
For example, if you spent $500 for 100,000 impressions:
CPM = (500 ÷ 100,000) × 1000 = $5.00
Common Use Cases
- Digital marketers optimizing ad spend
- Publishers setting advertising rates
- Advertisers comparing campaign costs
- Media buyers evaluating ad performance
Why Use a CPM Calculator?
Understanding CPM helps advertisers evaluate ad efficiency, control their budgets, and maximize ROI. This tool gives instant results and helps compare CPM across platforms and campaigns.
Frequently Asked Questions (FAQs)
What is CPM in advertising?
CPM stands for Cost Per Mille, which is the cost of 1,000 ad impressions (views). It's a standard pricing model in digital advertising.
How is CPM different from CPC?
CPM charges you per 1,000 views, while CPC (Cost Per Click) charges only when someone clicks on your ad.
What is a good CPM rate?
It depends on the industry and platform, but generally $2–$10 is a typical CPM range for display ads.
Can I calculate impressions from CPM?
Yes. Impressions = (Total Cost ÷ CPM) × 1000
Why does CPM vary so much?
CPM rates are affected by ad quality, targeting, competition, and platform algorithms (like Google or Facebook).
Related tools: ROI Calculator.