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Free Amazon seller fee calculator for referral fees, FBA costs, storage, and returns reserve. Use it to validate SKU economics and pricing in your business operations.
Last updated: April 7, 2026
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Net Profit
$12.94
Profit Margin
32.4%
Revenue
$39.99
Amazon Fees
$11.75
Total Cost
$15.3
ROI on Cost
84.6%
Performance: Excellent
Strong margin profile. Consider broader keyword coverage and catalog expansion.
Amazon Tips:
Estimate net income after core marketplace fees.
Prevent underpricing due to percentage-based fees.
Compare SKUs with a consistent ROI benchmark.
Plan inventory with fee-aware assumptions.
Balance conversion and contribution margin.
Estimate when plan upgrades are worth it.
For a SKU sold at $39.99 with 15% referral fee and FBA costs:
Revenue
$39.99
Amazon Fees
$11.75
Total Cost
$15.30
Net Profit
$12.94
This calculator combines fee and cost layers into one unit-economics view so you can quickly validate SKU viability before scaling ads or inventory.
Net Profit = Selling Price - (Referral + Fulfillment + Storage + Closing/Shipping Fees) - (Product Cost + Inbound Shipping + Returns Reserve)Fee-aware pricing helps avoid growth with negative contribution margin.
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Suggested hashtags: #AmazonFBA #Ecommerce #Profit #Marketplace #Calculator