SSolarc Labs
Seller toolkit

Amazon seller unit economics · Free · No signup

Amazon FBA Profit Calculator

Estimate unit-level contribution profit using your own selling price, product cost, fulfilment, marketplace fee, advertising and return assumptions.

Runs in your browserEditable assumptionsUSD · GBP · EUR
Profit & margin

Model one order

Defaults are only starting assumptions. Replace them with the fees, fulfilment, returns and costs from your own store or marketplace statement.

Live scenario

Estimated net profit / order

$10.29

Estimated net margin: 25.7%

Percentage fee
$6.00
Return exposure
$1.20
Profit before ads
$14.29
Ad cost entered
$4.00

This is a planning estimate, not an official fee quote. Marketplace, payment, fulfilment, tax, refund and advertising rules vary by account, category and country.

Shareable result

25.7%Estimated net margin

$10.29 estimated net profit per order on Amazon marketplace. Sharing includes only the displayed result label and value; raw calculator inputs and local detail are not added to the shared URL or analytics event payload.

Automate profit checks

What this calculator answers

How much contribution profit is left on one order after the costs you enter?
What estimated net margin does that scenario produce?
How much of the selling price is being consumed by marketplace fees, ads and return exposure?

From calculator to recurring workflow

Stop rebuilding the same spreadsheet every week.

The free tool is for one scenario. Solarc Labs paid workflows are for repeated analysis, saved evidence, team handoff and automation.

See plans All seller calculators
Independent tool: Solarc Labs is not affiliated with or endorsed by Amazon, Shopify or WooCommerce. Brand names are used only to describe common seller workflows. Outputs are planning estimates based on the figures you enter and are not tax, customs, accounting, advertising or marketplace-fee advice.