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Amazon FBA Calculator

Calculate Amazon FBA profit, fees, net margin, and ROI for any product including referral, fulfillment, and storage fees.

Formula verified by CalcPro.pro Editorial TeamLast updated May 2025

FBA Product Details

About This Calculator

Amazon FBA sellers pay multiple fee layers that significantly reduce their actual profit margin. This calculator computes all 2025 Amazon FBA fees — referral fee, fulfillment fee, monthly storage fee, and PPC advertising cost — to give you the true net profit per unit and your actual ROI. Use it before sourcing any product to verify profitability.

How to Use This Calculator

  1. 1Enter the selling price on Amazon
  2. 2Enter your landed COGS (product cost + shipping to Amazon warehouse)
  3. 3Select the product category for the correct referral fee rate
  4. 4Choose the size tier and weight
  5. 5Enter estimated monthly unit sales
  6. 6Add monthly storage and PPC cost per unit
  7. 7Click Calculate

Formula Used

Net Profit = Sale Price − COGS − Referral Fee − Fulfillment Fee − Storage Fee − PPC | ROI = Net Profit / COGS × 100

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FAQ

Frequently Asked Questions

Common questions about the amazon fba calculator answered.

What is the Amazon referral fee?+
Amazon charges a referral fee on every sale — a percentage of the total sale price. In 2025, rates range from 8% (Electronics, Beauty, Grocery) to 17% (Clothing & Apparel). Most categories charge 15%. This fee is charged regardless of whether you use FBA or FBM. It is deducted automatically from your account before payment.
What are Amazon FBA fulfillment fees in 2025?+
FBA fulfillment fees cover picking, packing, and shipping. For small standard items (under 1 lb), the fee is $3.22. Large standard (1–3 lb) is $5.42. Large bulky items (up to 20 lb) are $8.66. Extra-large items start at $15. These fees increased in February 2024 and have remained stable through 2025. Amazon also charges a returns processing fee on high-return-rate products in certain categories.
What profit margin should I target for FBA products?+
Most experienced FBA sellers target a minimum 20–30% net margin and 50–100% ROI on COGS. Products with under 15% net margin are very difficult to scale profitably once PPC costs, return rates, and seasonal storage fees are factored in. A product selling for $29.99 needs a COGS under $8–10 to achieve healthy margins in most categories at $3–5/unit FBA fees.
How much does Amazon FBA storage cost?+
Amazon charges monthly inventory storage fees per cubic foot: $0.78 in January–September and $2.40 in October–December (peak season surcharge). Long-term storage (items stored over 365 days) incurs an additional $6.90 per cubic foot per month. Minimising inventory age — through accurate demand forecasting and lean stock levels — is one of the most important FBA cost control strategies.

Amazon FBA Profitability: Real Numbers for 2025

A product selling for $29.99 in the Home & Kitchen category with $8.00 COGS faces: $4.50 referral fee (15%), $3.22 FBA fulfillment fee (small standard), $0.55 storage fee, and $2.00 PPC cost — totalling $10.27 in fees. Net profit: $11.72 per unit (39% margin, 147% ROI on COGS). This is a healthy FBA product. A product with $15.00 COGS in the same scenario makes only $4.72/unit (15.7% margin) — marginal at best.

  • Target 25%+ net margin and 80%+ ROI on COGS as minimum thresholds
  • Electronics and grocery have lower referral fees (8%) — advantage for those niches
  • PPC costs vary widely: 15–30% ACOS is typical for established products
  • Avoid small items with high weight-to-value ratio — fulfillment fees dominate

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