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Amazon FBA & Net Profit Margin Calculator (2026)

Calculate accurate Amazon FBA fulfillment fees, category referral rates, storage costs, ACoS, and net profit margins.

Updated for 2026 Amazon US FBA Fulfillment, Category Referral & Storage Rates

1. Pricing & Unit Sourcing Costs

2. Amazon FBA Tier & Category

Q4 Holiday Storage Surcharge (Oct-Dec)
Unit Net Profit & Margins⭐ High Margin

Net Profit / Unit

$10.84

Net Profit Margin

27.1%

Return on Investment (ROI): 59.6%
Break-even Sale Price: $24.51

Fee & Cost Breakdown ($ / unit)

Amazon Referral Fee (15%)-$6.00
Amazon FBA Fulfillment Fee-$4.85
FBA Monthly Storage (1 mo)-$0.10
PPC Ad Spend (15% ACoS)-$6.00
Product Sourcing (COGS) & Head-haul Ship-$12.20
Total Deductions & Costs-$29.15 (72.9%)
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Mathematical Calculation Formula:Net Profit = Sale Price - (COGS + Shipping to FBA + Referral Fee + FBA Fulfillment + Storage + Ad Spend)

How to Use This Calculator

  1. 1Enter your target Amazon sale price and unit manufacturing cost (COGS).
  2. 2Add head-haul freight to Amazon warehouse ($/unit) and packaging costs.
  3. 3Select your product category referral rate (e.g. 15% standard) and FBA size tier.
  4. 4Input PPC ad spend (ACoS %) and monthly storage duration to view instant net profit, margins, and break-even price.

Key Features & Capabilities

  • Updated for 2026 Amazon US FBA size tier rate cards (Small Standard to Oversize).
  • Accurate referral rate tables (8% electronics to 17% apparel) with $0.30 minimum.
  • Q4 Holiday storage surcharge vs standard monthly storage rate calculator.
  • Interactive unit profit health score, break-even solver, and 1-click preset loaders.
Amazon Seller Central 2026

Amazon FBA Fee Structure (2026): Referral, Pick & Pack, and Low-Inventory Fees

Selling physical products on Amazon FBA (Fulfillment by Amazon) offers unparalleled Prime delivery reach, but Amazon’s complex fee matrix can absorb 35% to 55% of your gross selling price. In 2024–2026, Amazon introduced new Low-Inventory-Level Fees and restructured inbound placement fees.

2026 Core FBA Fee Categories

Fee CategoryStandard Rate (2026)Impact on $30 Retail Item
Referral Fee (Most Categories)15% of total sales price-$4.50
FBA Pick & Pack (Large Standard 1 lb)$3.86 - $4.45 per unit-$4.15
Monthly Storage Fee (Off-Peak Jan-Sep)$0.78 / cubic foot / month-$0.25
Low-Inventory-Level Fee (<28 days)$0.32 - $0.89 per shipped unit-$0.45 (if out of stock risk)
Sponsored Products (PPC Ad Spend)15% - 25% target ACoS-$6.00
Considering selling via your own direct-to-consumer store instead? Model your independent margins with our Shopify Profit Calculator or check payment processing costs on Stripe Fee Calculator.

Frequently Asked Questions

How are Amazon FBA fees calculated in 2026?

Amazon FBA fees primarily consist of: (1) Category Referral Fee (usually 15% of sale price), (2) FBA Fulfillment Fee based on product dimensions and unit weight, (3) Monthly Storage Fee ($0.87/cu.ft standard, $2.40/cu.ft Oct-Dec), plus optional PPC advertising costs.

What is a healthy net profit margin for Amazon FBA sellers?

Most successful Amazon private label and wholesale sellers aim for a net profit margin of 15% to 25% after all FBA fees, sourcing, head-haul shipping, and PPC ad spend.

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