Calculate key ad metrics. Choose two values to find the third.
CPM = (Spend ÷ Impressions) × 1,000
Quick Reference
Cost Per 1,000 Impressions
Spend / Impressions × 1000
Cost Per Click
Spend / Clicks
Click-Through Rate
Clicks / Impressions × 100
Cost Per Acquisition
Spend / Conversions
Return On Ad Spend
Revenue / Spend