STUN/TOOLS

FBA Fee Erosion — Free Amazon FBA 3.5% Surcharge Impact Calculator | Stuntools

Built with 🖤 for Amazon FBA Sellers. Want more free tools like a Profit Calculator or Fee Analyzer? Check out the full suite at Stuntools.com

How to Use

  1. 1.Enter your current total FBA fee as shown in Seller Central.
  2. 2.Optionally, enter your selling price and cost of goods to see profit erosion %.
  3. 3.Optionally, enter your monthly units sold to see total monthly drain.
  4. 4.Click Show the Damage to calculate the surcharge impact.
  5. 5.Click Copy Summary to share the analysis with your team.

Example Input

FBA Fee: $5.49, Selling Price: $24.99, COGS: $8.50, Units: 200/month

Expected Output

Surcharge per unit: $0.19 | New total fee: $5.49 | Profit erosion: 1.7% | Monthly drain: $37.13

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