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Why we picked it The best worked-example explainer for actually doing the math: Net Sales minus product cost, shipping, payment fees, fulfilment and allocated ad spend, computed across orders and SKUs. It shows you the arithmetic rather than just defining the term.
Contribution Margin Formula for Ecommerce (With Real Examples)
From storehero.ai by StoreHero
- Contribution margin = Net Sales - Product Cost - Shipping - Payment Fees - Fulfilment - Allocated Ad Spend.
- Allocating ad spend to orders is where most brands' contribution margin quietly turns negative.
- SKU-level contribution margin reveals which products can carry ad spend and which can't.
