Calculate Your Amazon FBA Profits Instantly
Free FBA calculator with 2026 fee rates. See referral fees, fulfillment costs, and profit margins before you source your next product.
FBA Profit Calculator
Know your true profit before you source
Pull real product data from competitor ASINs, use AI to find profitable differentiations, and model costs with 2026 Amazon fees—all in one dashboard.
Add Reference Products
Enter up to 3 competitor ASINs—we pull their revenue, dimensions, and shipping data to model accurate costs in your category.
Add Reference Products
Enter up to 3 competitor ASINs—we pull their revenue, dimensions, and shipping data to model accurate costs in your category.
Find Your Edge
AI analyzes competitor reviews to surface profitable differentiation opportunities you can action during manufacturing.
Find Your Edge
AI analyzes competitor reviews to surface profitable differentiation opportunities you can action during manufacturing.
Model Your Profits
Calculate true margins with 2026 Amazon fee schedules, real shipping costs, and PPC estimates based on actual category data.
Model Your Profits
Calculate true margins with 2026 Amazon fee schedules, real shipping costs, and PPC estimates based on actual category data.
Go beyond estimates
Save calculations across your catalog, pull real costs from competitor ASINs, model COGS with AI-powered differentiations, and apply accurate 2026 Amazon FBA fees.
Sign up for Launch FastHow Amazon FBA Fees Work
Amazon charges several fees that eat into your margins. Here's exactly what each one costs.
Amazon Fees
Referral Fee
A percentage of your selling price (typically 8-20%) that Amazon charges for marketplace access. Rate depends on product category.
FBA Fulfillment Fee
Covers picking, packing, shipping, and customer service. Based on product size tier and weight. Ranges from ~$3 to $25+.
Monthly Storage
Charged per cubic foot of inventory stored. Off-peak (Jan-Sep) is ~$0.87/cu ft, peak season (Oct-Dec) jumps to ~$2.40/cu ft.
Long-Term Storage
Additional fees for inventory stored over 365 days. Currently $6.90/cu ft or $0.15/unit, whichever is greater. Assessed monthly.
Removal/Disposal
Fees to return inventory to you or dispose of it. Removal is $0.97-$13.05 per unit depending on size. Disposal is $0.32-$2.16.
Size Tiers
Affects fulfillment fees
Small Standard
Items ≤15" longest side, ≤12" median, ≤0.75" shortest, and ≤1 lb. Lowest fulfillment fee tier at ~$3.22 base.
Large Standard
Items ≤18" longest side, ≤14" median, ≤8" shortest, and ≤20 lb. Most common tier at ~$4.75 base + weight surcharge.
Large Bulky
Items ≤59" longest side, all dimensions ≤33", and ≤50 lb. Significant jump to ~$9.73 base. Avoid if possible.
Extra Large
Items exceeding Large Bulky limits. Fees start at ~$26.33 and scale with weight. Very expensive—requires high margins.
Frequently asked questions
Everything Amazon sellers ask about FBA fees, profit margins, and cost calculations
An Amazon FBA fee calculator is a tool that helps sellers estimate their costs and profits when selling products through Fulfillment by Amazon. It calculates referral fees, fulfillment fees, storage fees, and other costs to show your expected profit margin and ROI before you source a product.
Build your product profitability model
Go from rough estimates to data-backed projections. Pull real costs from competitor ASINs, model manufacturing improvements, and calculate true margins.
