# Marketing Metrics

Marketing metrics are ratios that show what a campaign costs and returns, such as click-through rate (CTR): 50 clicks from 2,000 impressions is a CTR of 2.5%. Others include cost per thousand impressions (CPM), cost per click (CPC), conversion rate, return on ad spend (ROAS), customer acquisition cost, lifetime value and churn.

## Tools

No tools are available here yet.

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