How do I calculate Amazon FBA fees?

Updated October 2026 · How we answer

Short answerUse Amazon's Revenue Calculator or fee schedule to estimate fulfillment and referral fees. Total fees typically range from 15% to 45% of the sale price, depending on size, weight, and category.

Understanding the Fee Structure

Amazon FBA fees consist of a referral fee and a fulfillment fee. The referral fee is a percentage of the total sale price (including shipping and gift wrap) and varies by category—usually 15% for most, but can be as low as 6% for electronics or as high as 45% for some categories. The fulfillment fee is based on the item's size tier and weight, covering pick, pack, and ship costs.

There may also be monthly storage fees, long-term storage fees, and optional services like labeling or bagging. These add up, so always factor them into your profit calculation.

  • Referral fee: 15% for most categories, but check your specific category.
  • Fulfillment fee: based on size tier (small standard, large standard, etc.) and weight.
  • Storage fees: monthly per cubic foot, higher during Q4.
  • Optional fees: labeling, bagging, prep services.
  • Other fees: removal order, return processing, etc.

How to Calculate Accurately

The easiest way is to use Amazon's Revenue Calculator (search 'FBA calculator' on Amazon). Enter the ASIN or dimensions and weight, and it will estimate fees. For a more detailed breakdown, download the fee schedule PDF from Seller Central.

If you're sourcing, you can also use third-party tools like Keepa or RevSeller that integrate fee calculations. Always double-check because fees change annually and vary by marketplace (US, UK, etc.).

Common mistakes

  • Assuming the referral fee is always 15%—it varies by category and can be higher or lower.
  • Forgetting to include storage fees, especially for slow-selling items.
  • Using outdated fee schedules; Amazon updates fees at least once a year.