CPM Calculator
CPM equals advertising spend divided by impressions, multiplied by 1,000. A spend of 1,200 for 400,000 impressions gives a CPM of 3 in the same currency.
Formula & method
CPM = spend ÷ impressions × 1,000.Worked example
| Input | Value |
|---|---|
| Advertising spend | 1,200 ¤ |
| Ad impressions | 400,000 |
| Result | Value |
|---|---|
| Cost per thousand impressions | 3 ¤ |
Compare scenarios
The first input changes while the other example inputs stay fixed. These are arithmetic scenarios, not forecasts.
| Compare scenarios | Advertising spend ¤ | Cost per thousand impressions |
|---|---|---|
| −20% | 960 | 2.4 ¤ |
| Example | 1,200 | 3 ¤ |
| +20% | 1,440 | 3.6 ¤ |
Assumptions & limits
Use spend and impressions from the same campaign, time window and reporting timezone. This is an observed cost metric; an auction bid or a viewable CPM may use a different denominator.
Displayed results are rounded. Calculations use unrounded JavaScript numbers; small floating-point differences are possible.
Use the same currency and reporting period for every monetary input. This tool does not fetch prices, exchange rates or account data.
Works in your browser
The interactive tool runs in a sandbox with network access blocked. ClearByte and the advertising scripts cannot read values inside it. Browser extensions and a compromised device remain outside this protection.
Sources & definitions
Method checked:
Continue with a related task
CPC Calculator
Average CPC equals advertising spend divided by recorded clicks. Spending 150 for 300 clicks gives an average CPC of 0.50.
Ad Impression Revenue Calculator
Estimated ad revenue equals monetized ad impressions divided by 1,000, multiplied by impression RPM. At 250,000 impressions and 2.40 RPM, estimated revenue is 600.
Traffic Arbitrage Profit Calculator
Modeled profit equals monetized page views × page RPM ÷ 1,000 minus traffic spend and included fixed costs. Positive assumptions do not guarantee a profitable traffic source.
CPA Calculator
CPA equals advertising spend divided by tracked actions. A campaign costing 600 with 24 qualifying actions has an average CPA of 25.