USD
Amazon · USDSearch tools

Know your real profit before you source.

All inputs update results instantly. Change any value or solve for a target.

Presets:
Reverse solve

To keep a % margin, pay no more than

$13.78
Scenario sensitivity

At 10% higher sale price

$15.59 profit
Formula & assumptions

Net profit = sale price + shipping charged − product, fulfillment, shipping, marketplace, payment, advertising, returns, prep, and tax costs. Presets are editable planning examples; confirm current account terms.

Decision rule

Stress-test margin before you scale.

Marketplace rates change, so all fee assumptions stay visible and editable. Confirm current terms in your seller account before purchasing inventory.

Fee registry · v1.0.0

Default fee sources and freshness

Every default below is editable. “Confirm account” means the value is an example, not a claim that it applies to your market, category, plan, or account.

InputDefaultApplicabilityStatus
FBA fulfillment fee4.75 USD per unitUnited States; illustrative standard-size productConfirm account
Referral fee15 percentUnited States; illustrative categoryConfirm account
Advertising cost assumption12 percent of saleSeller-entered scenarioConfirm account

Effective-date policy: Not universal; user must obtain a product-specific estimate; Not universal; category-specific rate required; Not applicable; scenario assumption.

Open the verified methodology for formula provenance, assumptions, a worked example, and limitations.