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Calculates ocean freight, customs tariffs, FBA dimensional weight tiers, return rates, and true net profit margin per unit.
Landed cost waterfall, dimensional weight solver, and Amazon fee calculators
Calculates FOB factory manufacturing, ocean container / air freight per unit, customs tariffs, and warehouse prep costs.
Models dimensional weight divisors (L*W*H / 139) and identifies packaging boundary reductions to drop down size tiers.
Applies dynamic category referral fees (8% to 17%) and models standard vs Q4 peak holiday inventory storage rates.
Unit profitability requires factoring in factory FOB, international freight per CBM, tariffs, and prep center labeling fees.
Amazon calculates billable weight using L*W*H/139. Trimming packaging by half an inch can save $1.00+ per unit in fulfillment fees.
Factoring in a realistic target ACoS (15%–25%) and customer return rates prevents unexpected margin erosion.
Everything you need to know about Amazon FBA Landed Cost
Landed Cost is the total expense of getting a product from the overseas factory into an Amazon fulfillment center, including FOB manufacturing price, ocean/air freight, customs tariffs & duties, port drayage, and prep/labeling costs.
Amazon calculates dimensional weight by multiplying packaging dimensions in inches and dividing by 139 (Dimensional Weight = (L x W x H) / 139). Amazon bills fulfillment fees based on whichever is greater: unit weight or dimensional weight.
Items that exceed standard size boundaries (18 x 14 x 8 inches or 20 lbs) are classified as Oversize, triggering significantly higher fulfillment fees ($9.73+ for Small Oversize vs $4.15 for Large Standard).
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Factors in target ACoS ad spend and customer return rates to compute exact net profit per unit and inventory ROI.
Amazon charges a commission on the gross selling price for each item sold, typically 15% for Home/Kitchen and Beauty, 8% for Consumer Electronics, and 17% for Apparel.
Monthly storage fees increase from standard rates ($0.87 per cubic foot) to peak holiday rates ($2.40 per cubic foot) during October, November, and December.
Advertising Cost of Sales (ACoS) is PPC ad spend divided by ad revenue. Factoring a 15%–25% ACoS into your unit economics ensures your net margin remains profitable after sponsored product ads.
Section 301 tariffs are US customs duties (commonly 7.5% to 25%) applied to specific goods manufactured in China, calculated as a percentage of the FOB invoice value plus international freight.
The calculator solves for the exact minimum retail price where gross revenues equal all fixed landed costs, FBA fulfillment fees, storage, percentage commissions, and target PPC ad spend.
Yes! Adjust the length, width, height, and weight inputs in real time to instantly watch the size tier and fulfillment fees update.
Yes! Click 'Export CSV' to download complete landed cost waterfall tables, Amazon fee breakdowns, and ROI summaries, or click 'Snapshot' for chart graphics.
You can switch between US Dollar (USD), Euro (EUR), British Pound (GBP), Indian Rupee (INR), Canadian Dollar (CAD), Australian Dollar (AUD), Japanese Yen (JPY), UAE Dirham (AED), and Singapore Dollar (SGD).
No software installation is required. The Amazon FBA Landed Cost calculator runs client-side in your web browser using HTML5 Canvas and TypeScript.