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E-commerce Calculators
Free e-commerce profit calculators for Shopify, Amazon, eBay, and dropshipping sellers. Calculate real profit after platform fees, shipping costs, and all expenses.
7 free calculators — no signup, instant results
Shopify Profit Calculator
Calculate your true Shopify store profit after all fees and costs.
Amazon Seller Profit Calculator
Calculate your Amazon FBA profit after all fees and costs.
Dropshipping Profit Calculator
Calculate your true dropshipping profit after supplier costs, ads, fees, and returns.
Cost Per Unit Calculator
Calculate the true cost to produce one unit and find the right selling price.
eBay Seller Profit Calculator
Calculate your eBay profit after all fees, shipping, and costs.
Shipping Cost Calculator
Compare shipping costs across zones and calculate your shipping margin.
Product Pricing Calculator
Calculate the optimal product price from COGS and target margin.
Why Use E-commerce Calculators?
Tested Accuracy
Every formula is unit-tested with edge cases. No AI hallucination risk — just reliable math you can trust for real decisions.
Industry Benchmarks
Compare your results against real industry data. See how your numbers stack up with contextual benchmarks and verdicts.
Actionable Insights
Get severity-rated recommendations based on your specific numbers. Not generic advice — personalized next steps you can act on.