Blended New Customer CPA: Cost to Acquire New Customers

Track your cost per new customer acquisition across all ad platforms. Calculate how much you spend on average to acquire each first-time buyer.

Blended New Customer CPA measures how much you spend on average to acquire each new customer through your ads across all channels.

Formula

Blended New Customer CPA = Blended Spend ÷ Blended New Customer Purchases

Formula Components

Metric	Definition
Blended Spend	Combined ad spend across all connected platforms
Blended New Customer Purchases	First-time customer orders attributed to ads

Metadata
Type	Currency
Data Source	Meta Ads, Google Ads, TikTok Ads
Aggregation	Ratio

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Example

Your store spent $12,000 across all ad platforms last month and acquired 150 new customers:

Platform	Spend	New Customers	Platform NC CPA
Meta	$6,000	80	$75.00
Google	$4,000	50	$80.00
TikTok	$2,000	20	$100.00
Blended	$12,000	150	$80.00

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How It Works

Blended NC CPA divides your total ad spend across all platforms by the number of new customers acquired. This metric specifically tracks first-time buyers, excluding repeat customers from the calculation.

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When to Use

Scenario	Action
Evaluating customer acquisition efficiency	Compare NC CPA to customer lifetime value
Budget allocation decisions	Shift spend toward platforms with lower NC CPA
Scaling acquisition campaigns	Monitor NC CPA as spend increases
Comparing to overall CPA	Higher NC CPA than CPA indicates strong retention

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Related Metrics

Metric	Relationship
Blended Spend	Numerator in NC CPA calculation
Blended New Customer Purchases	Denominator in NC CPA calculation
Blended CPA	Overall CPA including repeat customers

See all Blended Efficiency metrics →