E-commerce Glossary

Blended CPA

Average acquisition cost across all channels. Total marketing spend divided by the number of new customers.

Blended CPA calculates the average cost of acquiring a new customer by integrating all marketing spend, not just one channel.

Calculation: Blended CPA = Total Marketing Spend / Number of New Customers.

This metric is more reliable than per-channel CPA because it bypasses attribution problems. If you spend $10,000 in total marketing and acquire 200 new customers, your Blended CPA is $50 -- regardless of how conversions are attributed between Meta, Google, and organic.

It is the recommended metric for evaluating the overall effectiveness of your acquisition. Fullmetrix calculates Blended CPA automatically by cross-referencing ad spend and new customers from your CMS.

Related terms

AOV (Average Order Value)Average amount spent per order in your store.See definition ARPU (Average Revenue Per User)Average revenue generated per user over a given period.See definition Blended CACAverage acquisition cost including all marketing channels.See definition Blended ROASOverall return on all advertising spend combined.See definition CAC (Customer Acquisition Cost)Total cost to acquire a new customer.See definition Churn RatePercentage of customers lost over a given period.See definition
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