Ecommerce Profit Margin Calculator

Summary

Enter your selling price, product cost, shipping, and platform fees to instantly see your gross margin, net profit, and markup percentage.

How it works

1. Enter the product selling price (the amount the customer pays).
2. Enter the product cost (what you paid to source or manufacture it).
3. Enter your shipping cost (what you pay to ship the order).
4. Enter the platform fee percentage charged by the marketplace or payment processor.
5. Optionally add other fixed costs such as packaging or advertising spend.
6. The calculator instantly shows gross profit, net profit, profit margin %, and markup %.

Use cases

• Price products on Amazon, eBay, Etsy, or Shopify to hit a target margin.
• Compare profitability across different suppliers or sourcing prices.
• Evaluate whether a product is worth selling after fees and shipping.
• Negotiate better supplier costs by knowing your break-even point.
• Set minimum sale prices during promotions without losing money.
• Audit your existing catalog to find low-margin or loss-making products.
• Model how a fee change (e.g. Amazon FBA rate increase) impacts profit.
• Present clear margin data when pitching new products to stakeholders.

Frequently Asked Questions