Shopify Fee Calculator
Stop guessing your margins. See exactly how much Shopify fees and transaction costs are eating into your profit.
Store Details
Estimated Results
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Cortexcart connects to Shopify & Stripe to calculate your real-time profit, LTV, and churn every single day.
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Start your Shopify Free TrialWhy calculate your true Shopify profit?
Revenue is vanity" profit is sanity. Many e-commerce founders focus on the "e;Sales"e; number in their Shopify dashboard" forgetting that subscription costs, credit card processing fees (2.4% - 2.9%), and third-party transaction penalties (up to 2%) eat into that number significantly.
How this calculator works
We use the latest 2025 pricing data from Shopify. We calculate your base subscription, apply the correct processing rate based on your plan, and add the fixed per-transaction fee (usually 30¢). If you use a third-party gateway like PayPal, we also add Shopify"e;s additional transaction fee.