Real profit selling on Amazon. The Amazon Seller Profit Calculator takes selling price, product cost per unit, referral fee, fba or shipping fee per unit, storage per unit, advertising cost per unit sold, return rate and returns real profit per unit plus net margin, amazon fees per unit, return on product cost. Results update as you type, and the formula is shown under the result so you can repeat it in your own spreadsheet.
Online and retail margins are decided by the costs that are easy to forget: fees, shipping, returns, storage and advertising. Fill in every line, even with an estimate, before deciding what to sell and at what price. Use the worked example below to check the maths against your own figures.
How the Amazon Seller Profit Calculator works
The referral fee and FBA fee are what most sellers count; advertising and returns are what most sellers forget. Both are included here.
Worked example
With the example values (selling price of $35, product cost per unit of $12, referral fee of 15%, fba or shipping fee per unit of $5.50, storage per unit of $0.50, advertising cost per unit sold of $3, return rate of 4%), the real profit per unit is $7.35; net margin 21%, amazon fees per unit $11.25, return on product cost 61.25%. Change any figure above and the result updates immediately; use Copy results to paste the summary into a note or email.
Assumptions and limits: Fee rates vary by category, size tier and marketplace; use Amazon's current schedule.
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Frequently Asked Questions
How is real profit per unit calculated?
profit = price − product cost − referral fee − fulfilment − storage − ads − expected returns.
Which figures do I need?
Selling price, product cost per unit, referral fee, fba or shipping fee per unit, storage per unit, advertising cost per unit sold, return rate. Take them from the same period and the same set of accounts or reports so the ratio is consistent, and check the example values as a guide to the units expected.
Which fees should I include?
Every fee your platform or provider charges on a sale: commissions, payment processing, fulfilment, storage, advertising and the expected cost of returns. Fee schedules change, so check the current rate card.
What assumptions does this calculator make?
Fee rates vary by category, size tier and marketplace; use Amazon's current schedule.
