CPM Calculator

CPM (Cost Per Mille) is the cost an advertiser pays for 1,000 ad impressions. CPM = (Total Ad Spend ÷ Total Impressions) × 1,000.

CPM = (Ad Spend ÷ Impressions) × 1,000. Example: $500 spent for 200,000 impressions = ($500 ÷ 200,000) × 1,000 = $2.50 CPM.

Key Features

• Solves for CPM, total impressions, or total ad spend — enter any two to find the third.
• Works for any ad platform: Google Ads, Facebook/Meta Ads, display networks.
• Instant results as you type.
• Browser-based — no data sent to any server.

How to Use the Tool

1. Select which value you want to calculate: CPM, total impressions, or ad spend.
2. Enter the two known values.
3. The third value is calculated instantly.

Core Benefits

• Plan advertising budgets accurately before launching campaigns.
• Compare CPMs across different ad platforms and placements.
• Quickly evaluate whether a publisher's quoted CPM rate is competitive.

Common Use Cases

• A marketer planning a $5,000 display ad campaign at $4 CPM calculates they will get 1,250,000 impressions.
• Comparing a Facebook CPM of $6.50 vs a Google Display CPM of $2.00 for budget allocation.
• A publisher calculating their effective CPM from AdSense revenue and page view data.
• Estimating YouTube pre-roll ad impressions from a given budget.

Pro Tips

• Typical CPM ranges: Google Display $1–$3, Facebook $6–$12, LinkedIn $30–$90, YouTube $4–$8.
• Lower CPM is not always better — consider the audience quality and conversion rate.
• CPM is useful for brand awareness campaigns. For conversion campaigns, use CPC or CPA instead.