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CM2 % measures the percentage of net revenue remaining after all variable costs—COGS, fulfillment, and transaction fees.

Formula

CM2 % = ( CM2 ÷ Net Revenue ) × 100

Formula Components

MetricDefinition
CM2 (After Fulfillment)Profit after COGS, fulfillment, and transaction costs
Net RevenueGross revenue minus discounts and refunds
Metadata
TypePercentage
Data SourceShopify, Upstack Costs
AggregationRatio

Example

Your Shopify store has $62,500 in CM2 from $125,000 net revenue.
ComponentValueCalculation
CM2$62,500After variable costs
Net Revenue$125,000Revenue base
CM2 %50%$62,500 ÷ $125,000 × 100

How It Works

CM2 % shows what percentage of revenue remains after all variable per-order costs. This is your “contribution margin rate” before marketing—the profit available to cover customer acquisition costs and fixed expenses.

When to Use

ScenarioAction
Setting CAC targetsUse CM2 % to determine maximum allowable acquisition cost
Comparing fulfillment optionsMeasure impact of different shipping carriers on margin
Tracking variable cost efficiencyMonitor CM2 % trends to catch cost creep
Evaluating pricing powerSee how much margin remains for marketing after variable costs

MetricRelationship
CM2 (After Fulfillment)Dollar amount that CM2 % is based on
CM1 %Margin before fulfillment costs
CM3 %Margin after marketing costs
See all Contribution Margin metrics →