Amazon FBA Fee Calculator
Calculate your Amazon FBA fees, per-unit profitability, and margins. Includes referral fees, fulfillment fees, and storage costs with seasonal breakdown.
Free Amazon FBA calculator for sellers
Most Amazon sellers find out their unit economics are broken after they ship. This Amazon FBA calculator runs the full fee stack before you commit to inventory: referral fees by category, fulfillment fees by size tier, monthly storage with peak-season surcharges, and your landed COGS. You get a clean per-unit profit number you can take to your supplier and your finance team without crossing your fingers.
- FBA fee calculator covering Amazon's current 2026 fulfillment, referral, and storage rate cards
- Acts as an Amazon profit calculator on every SKU, factoring ad spend, returns, and average order value
- Side-by-side seasonal breakdown for Jan-Sep vs Oct-Dec storage so peak inventory does not blindside your margin
- Built for Amazon sellers, FBA aggregators, brand owners, and ecommerce managers planning new product launches
Product specs
Amazon fees
Product costs
Additional costs
Results
Everything the FBA calculator does.
Built to model the full Amazon cost stack on a single SKU, so the profit number you see is the profit number you get.
Complete fee breakdown. Calculate every Amazon FBA fee, referral, fulfillment, and seasonal storage, in one place.
Profit estimation. Enter product costs, selling price, and shipping to see your true per-unit profit instantly.
FBA vs FBM comparison. Toggle between fulfillment methods to see which one protects your margin on each product.
Seasonal analysis. View margins for both peak season (Q4) and the rest of the year so you can plan inventory.
Shareable calculations. Generate a link to save a scenario or share it with your team and suppliers.
Run a product in four steps.
Enter your numbers once and the calculator does the size-tier math, the fee lookups, and the seasonal split for you.
Enter product details.
Input your selling price, dimensions, and weight. The calculator sets your Amazon size tier and billable weight automatically.
Add your costs.
Enter unit cost, inbound shipping, prep, advertising, and any other per-unit expense you want to factor in.
Select your category.
Pick your product category for an accurate referral fee, or enter a custom percentage if you know your exact rate.
Analyze your results.
Review total fees, total cost, net profit, and margin for both seasons. Adjust any input to see the effect live.
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Know your real cost before you source.
Most Amazon margin problems are baked in before the first unit ships. Modeling the fee stack up front is the cheapest insurance you can buy.
Maximize your profit. Seeing your true profit per unit lets you price with margin in mind instead of guessing.
Control your costs. A line-by-line breakdown surfaces the fees quietly eating your margin so you can act on them.
Price competitively. Understand how fees move your break-even so you can stay competitive without selling at a loss.
Plan your finances. Get a clear read on earnings and expenses for better budgeting and cash-flow forecasting.
Avoid surprises. A full fee breakdown before you commit to inventory means no nasty settlement-day shocks.
Use the calculator to grow margin.
The calculator is a planning tool, not just a fee lookup. A few habits turn it into a real lever on your bottom line.
Optimize your pricing. Test price points to find the level that maximizes margin while staying competitive.
Select better products. Compare profit across items to spot the most profitable SKUs before you source them.
Reduce costs. Model different shipping and fulfillment options to trim expenses and lift your bottom line.
Manage inventory smarter. Use seasonal projections to make informed decisions about Q4 stocking levels.
Plan promotions. See how discounts and ad spend hit profitability before you run a campaign.
Built for every kind of Amazon seller.
Whether you are validating your first product or scaling an established catalog, the calculator helps you make profitable decisions.
New Amazon sellers
Validate product ideas and understand the true cost of selling before you invest.
Private label brands
Set optimal pricing and margin targets when launching new products on Amazon.
Wholesale sellers
Quickly assess if a wholesale deal is profitable after all FBA costs and fees.
Retail arbitrage sellers
Calculate margins on the spot when sourcing products to flip on Amazon.
Questions, answered.
This calculator is provided for informational purposes only. Results are estimates based on publicly available fee structures and may not reflect your actual costs. Always verify current rates with the platform before making business decisions.
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