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This article applies to selling in: United States

Monthly inventory storage fees

Amazon charges monthly inventory storage fees for the space your inventory occupies in fulfillment centers. Monthly storage fees are calculated on your daily average volume in cubic feet, based on the size of a unit that is properly packaged and ready to ship in accordance with FBA policies and requirements. Fees vary based on product size and time of year. You may have inventory that is classified as dangerous goods, which have fees that are assessed using a different rate card (see below). To determine if your inventory is considered dangerous goods, review the Dangerous Goods Identification Guide.

Program specifics: The details, calculations, or rates for this fee vary if enrolled in the following programs. Visit the program-specific Help page for more information.

FBA New Selection program

Fee details

Time of charge Monthly, typically between the 7th and 15th day of the month, in the month following when the fees were incurred.
Fee structure Per usage of storage, based on the daily average volume for the space your inventory occupies in fulfillment centers. Rate based on product type, size-tier, and time of year.

Values used to calculate fee

Product size tier Product size tiers are measurement categories based on the unit weight, product dimensions, and dimensional weight of a packaged item. Learn how to determine your product-size tier, or use the Monthly Storage Fees report to see the size tier information for products you have previously stored in FBA.
Current month Storage fees vary by time of year based on peak shopping seasons (see the rate card below).
Product volume Product dimensions and volume are measures of the product’s size when fully packaged and ready to ship in accordance with FBA policies and requirements. Monthly inventory storage fees are calculated by cubic foot. Use the Monthly Storage Fees report to see the product volume for products you have previously stored with FBA.
Average daily units Fees are based on the average number of units stored in FBA per month. Use the Monthly Storage Fees report to see the average daily units for your products stored in FBA for previous months.
Dangerous goods classification status Products that can be sold only through the FBA Dangerous Goods program require special handling and storage. Use the look up an ASIN tool to check the classification status of your ASIN and whether it requires enrollment in the FBA Dangerous Goods program.

Suggested articles: See the following articles for more details on how monthly inventory storage is calculated.

Product size tier

FBA Dangerous Goods program

Dangerous Goods identification guide

Rate cards

To determine which rate card applies to your product:

  1. Determine if the product is classified as dangerous goods using the look up an ASIN tool.
  2. Most products will use the first rate card below. If your products are considered dangerous goods, see the Dangerous goods products rate card.
Non-dangerous goods products
Month Standard-size Oversize
January – September $0.75 per cubic foot $0.48 per cubic foot
October – December $2.40 per cubic foot $1.20 per cubic foot
Dangerous goods products
Month Standard-size Oversize
January – September $0.99 per cubic foot $0.78 per cubic foot
October – December $3.63 per cubic foot $2.43 per cubic foot
Note: Although standard-size products are smaller than oversize products, they require more complex and costly shelving, drawers, and bins for storage.

Fee example

Formula Fee per product = average daily units x volume per unit x applicable rate
Sample product
  • Size tier: Standard-size
  • Current month: July
  • Volume per unit: 0.05 cubic feet
  • Average daily units in storage: 100
  • Dangerous goods classification: Not a dangerous good
Calculation 100 average units per month x 0.05 cubic feet per unit x $0.75 per cubic foot (standard-size rate in July) = $3.75 total monthly storage fees

Tools

Estimating fees Revenue Calculator
Reporting fees Monthly Storage Fees report
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