What is CPM?
CPM = Cost Per Mille (thousand impressions). It's what you pay for every 1,000 times your ad is shown.
CPM vs CPC
CPM charges per impression — great for awareness. CPC charges per click — better for conversions.
The Formula
CPM = (Cost ÷ Impressions) × 1,000. Simple math — or just use the calculator above!
Good CPM?
Display: $1–$5. Social: $5–$15. Video: $15–$50+. Lower isn't always better — quality matters.
📊 Average CPMs by Platform
Got questions? We've got answers 👇
Do I need an account to use this?
Nope! Completely free, no signup, no email required. Just type your numbers and go.
What does CPM stand for?
Cost Per Mille — "mille" is Latin for thousand. So CPM is simply the cost for 1,000 ad impressions.
Is a lower CPM always better?
Not always! A cheap CPM on the wrong audience can waste your whole budget. Focus on reaching the right people, not just the cheapest impressions.
Can I calculate total cost or impressions too?
Yes! Hit the "Find my Cost" or "Find Impressions" buttons above. Enter any two values and the calculator solves for the third.