Amazon Seller Profit Calculator: Your Real Profit per Unit

Enter the selling price, your product cost and the fees from your Amazon rate card. The calculator strips out GST, subtracts fees, ads and returns, and shows the profit per unit, the margin and the break-even price.

FreeNo sign-upRuns in your browserUpdated 2 Nov 2026
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What you paid, before GST credit.
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Lost shipping and damaged stock.
Registered sellers can usually claim it as input credit.
Your resultLive

Estimates only. Check important results before you rely on them.

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How to use this calculator

  1. Enter the selling price including GST and your product cost.
  2. Enter the GST rate and the referral, closing and shipping fees from your rate card.
  3. Add ad cost per unit and your return rate.
  4. Read the profit per unit and the break-even price.

The formula

Sale price without GST = Selling price ÷ (1 + GST%). Fees = Referral% × Selling price + Closing fee + Shipping fee. Profit = Sale price without GST − Product cost − Fees − Ads − Return loss (Return rate × Cost per return). If GST on fees is not claimed, add 18% of the fees as a cost.

Worked example

At ₹999 with 12% GST the price without GST is ₹892. With a ₹450 cost, 10% referral fee (₹99.90), ₹25 closing fee, ₹55 shipping fee, ₹30 ads and a 10% return rate at ₹80 (₹8), the profit is about ₹224 per unit. That is 25.1% of the sale price without GST, and the break-even selling price is about ₹716.

Understanding your result

The break-even price shows how far you can cut the price before you lose money. If the GST on fees cannot be claimed, the profit drops by about ₹32 in this example. The chart shows where each rupee goes.

When to use it

  • Decide whether a product is worth listing.
  • Check your profit before running a discount.
  • Compare the effect of ads and returns on margin.

Assumptions and limits

Costs of storage, packaging, taxes on profit and overheads are not included unless you add them to the product cost. Marketplace fees, GST rules and tax rates change and differ by category. The values pre-filled here are samples only. Replace them with the figures from your own rate card and settlement report.

Frequently asked questions

How do I calculate my profit on Amazon?

Remove GST from the selling price, then subtract your product cost, all marketplace fees, ad cost and return losses.

Is GST on Amazon fees a cost?

For GST-registered sellers it is usually claimable as input tax credit. If you cannot claim it, it is an extra cost.

What is the break-even price?

The lowest selling price at which your profit is zero after all fees and costs.

How do returns affect my profit?

Each return can cost you shipping and damaged stock. The tool spreads that cost over every unit sold using your return rate.

Where do I find my referral fee?

In the fee schedule for your product category on Seller Central.