Returning Customer Contribution Margin %: Repeat Buyer Profitability Rate

Percentage of returning customer net revenue remaining as contribution margin.

Formula

Returning Customer Contribution Margin % = ( Returning Customer Contribution Margin ÷ Returning Customer Net Revenue ) × 100

Formula Components

Metric	Definition
Returning Customer Contribution Margin	Profit from returning customers after COGS, fulfillment, transaction, and marketing costs
Returning Customer Net Revenue	Revenue from returning customers after discounts and refunds
customer_type = returning_customer	Filters to orders from customers who have purchased before

Metadata
Type	Percentage
Data Source	Shopify, Upstack Costs
Aggregation	Ratio

Example

Your returning customers generated $89,640 in net revenue with $31,374 in contribution margin, yielding a 35% margin rate:

Metric	Value
RC Net Revenue	$89,640
RC Contribution Margin	$31,374
RC Contribution Margin %	35%

How It Works

Returning Customer Contribution Margin % measures what share of repeat buyer revenue becomes profit after all variable costs. A higher percentage indicates returning customers are more profitable per dollar of revenue, helping you evaluate retention economics.

When to Use

Scenario	Action
Compare customer segments	Benchmark RC margin % vs NC margin % to see retention profitability
Evaluate retention programs	Track if loyalty discounts erode repeat buyer margins
Assess marketing efficiency	Higher margin % means more profit per marketing dollar on retention
Set pricing strategy	Low margins may indicate need for price adjustments on repeat orders

Metric	Relationship
Returning Customer Contribution Margin	The dollar amount numerator of this percentage
Returning Customer Net Revenue	The denominator; total RC revenue after adjustments
New Customer Contribution Margin %	Compare acquisition vs retention profitability
Contribution Margin %	Blended margin across all customers

See all Contribution Margin metrics →

RC Contribution Margin RC Marketing Cost

⌘I

​Formula

​Formula Components

​Example

​How It Works

​When to Use

​Related Metrics

Formula

Formula Components

Example

How It Works

When to Use

Related Metrics