Amazon FBA sellers face a unique cost structure where tariffs stack on top of FBA fees, referral fees, and storage costs. See the true profitability of every ASIN after duties.
Amazon FBA sellers face a unique cost challenge. Unlike traditional retailers who control their entire cost structure, FBA sellers must account for Amazon's referral fee (8-15%), FBA fulfillment fees ($3-$8+ per unit), monthly storage fees, and long-term storage penalties. When tariffs add 25-35% to the product cost, the remaining margin can evaporate quickly. A product that appeared profitable at a $5 FOB cost becomes marginal at $6.75 after tariffs, with Amazon's fees consuming most of what remains.
Our FBA tariff calculator brings together all cost components in one view: product cost, tariff duty, freight to FBA warehouse, Amazon referral fee, FBA fulfillment fee, storage fees, and advertising cost per unit. By seeing the complete cost stack, you can identify which products still have healthy margins after tariffs and which need price adjustments or sourcing changes. This holistic view is essential for making profitable inventory decisions.
FBA sellers have several levers to manage tariff impact: negotiate lower FOB prices with suppliers, source from countries with lower tariff rates, optimize product packaging to reduce FBA fees (smaller dimensions mean lower fulfillment fees), reduce advertising cost per unit through listing optimization, and consider raising prices strategically on products with strong review profiles and limited competition.
Tariffs increase your per-unit cost of goods, which reduces the profit left after Amazon's referral fee (typically 15%), FBA fulfillment fee ($3-$8+), and storage fees. For example, a product with a $10 landed cost and $25 selling price yields about $8.25 profit after Amazon fees. If a 30% tariff adds $3 to your cost, profit drops to $5.25, a 36% reduction. The FBA tariff calculator helps you see this full picture.
Absolutely. Many FBA sellers set prices based on a simple multiple of their supplier cost without factoring in tariffs. This leads to razor-thin or negative margins. Our calculator shows you the minimum viable price for each ASIN after accounting for tariffs, Amazon fees, shipping to FBA, and your target profit margin.
Generally no. De minimis ($800 threshold) applies to individual shipments, not to bulk commercial inventory sent to FBA warehouses. FBA inventory shipments are formal customs entries that are always subject to applicable tariffs regardless of shipment value. The de minimis exemption is designed for individual consumer purchases, not commercial inventory.
MarginHub connects through the Amazon SP-API (Selling Partner API). You authorize access through Amazon's secure OAuth flow, which gives us read-only access to your product catalog and pricing data. We use this to calculate tariff impacts alongside your actual Amazon fees and selling prices.
Connect your Amazon seller account and see tariff costs alongside FBA fees for every ASIN. Identify unprofitable products before they drain your cash.
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