Free ecommerce finance calculator

Ecommerce Profit Calculator

Model product, fulfillment, payment, advertising, refund, and overhead costs to understand true ecommerce profitability.

Key benefits

  • Calculate gross, contribution, and net profit from one transparent model.
  • See profit margin, return on spend, per-order profit, and break-even units together.
  • Adjust assumptions instantly without sending financial inputs to the server.

Frequently asked questions

What does the Ecommerce Profit Calculator include?

The model includes gross order revenue, a refund allowance, product cost, fulfillment and shipping, percentage and fixed payment fees, advertising spend, other operating costs, and optional taxes paid by the business. It shows gross profit, contribution before ads, net profit, margin, ROI, ROAS, and break-even orders.

What is the difference between gross profit and net profit?

In this calculator, gross profit is net revenue after the refund allowance minus product cost. Contribution before ads also subtracts fulfillment and payment fees. Net profit then subtracts advertising, operating costs, and business-paid taxes for the period.

How is ecommerce profit margin calculated?

Net profit margin equals modeled net profit divided by net revenue after the refund allowance, multiplied by 100. If the refund allowance reduces net revenue to zero, a finite margin cannot be reported.

How are break-even orders calculated?

The calculator divides submitted period costs—advertising, other operating costs, and business-paid taxes—by positive contribution per order before ads and rounds up. This assumes those submitted period costs remain fixed across the break-even volume.

Should sales tax or VAT be included?

Only enter a tax amount that is genuinely a business cost and has not already been excluded from revenue or included elsewhere. Collected sales tax or VAT can be a pass-through liability rather than revenue, so use definitions consistent with your accounting reports and avoid double counting.

Are my financial inputs sent to SellerPeek?

No. The calculator runs entirely in your browser. Submitting the form performs local arithmetic and does not send the entered financial values to a SellerPeek API.