Data & Spreadsheets

ProductLair Profit Calculator

A free ecommerce calculator for estimating product gross profit and margin from item cost, shipping cost, selling price, optional upsells and sales volume.

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What you can use it for

  • Product gross-margin estimates
  • Selling-price scenarios
  • Sales-volume profit estimates

Before you choose

Estimates gross profit, not net profit. Advertising, payment fees, returns, discounts, app costs, taxes and chargebacks need separate consideration. Only one simple scenario was tested; upsells, multiple sales and edge cases were not tested.

About this listing

Tested for this task
Official sources reviewed on . The test notes below describe the scope of our check.

Test notes

2026-10-09: Set fictional product cost to 10 and selling price to 20, with shipping and upsells at zero and sales at one. Results showed revenue 20.00, cost 10.00, profit 10.00, margin 50.00 and total profit 10.00, matching independent arithmetic. No account or payment was required. No private business data was entered.

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