Amazon Product Size Tiers

What are Amazon product size tiers?

    Amazon product size tiers are categories Amazon uses to group products based on their dimensions and weight. These tiers include small standard, large standard, small oversize, medium oversize, large oversize, and special oversize. Your product's size tier influences the storage and fulfillment fees you'll pay, which can significantly impact your profits.

How can understanding Amazon size tiers benefit me as a seller?

    Understanding Amazon size tiers is crucial for your success as it directly impacts the storage and fulfillment fees you'll pay. You can optimize your products and packaging with a size tier in mind to save money on FBA Fees and gain a competitive advantage.

How can I determine my product's size tier?

    To determine your product's size tier, you need to calculate its unit weight, product dimensions and volume, and dimensional weight. Unit weight is the weight of your product when fully packaged and ready to ship. Product dimensions and volume are calculated by multiplying the length, width, and height. Dimensional weight takes into account the package's size in relation to its weight and is calculated using a specific formula.

How does Amazon determine which size tier a product falls under?

    Amazon determines which size tier a product falls under by measuring the product's longest side, its median side, and its shortest side. The product's weight is also taken into account when determining the size tier.

How are Amazon FBA fees calculated?

    Amazon FBA fees are based on your product's size tier. Factors include the unit weight, product dimensions, and dimensional weight of your item. Storage fees are based on daily average volume in cubic feet and can vary based on the time of year and package size. Long-term storage fees can be avoided with good FBA inventory management and minimized with a good prep center or 3pl like Prep It Pack It Ship It.

What tools can help me calculate my product's size tier and fees?

    Tools like Amazon's Profitability Calculator, SoStocked's FBA Size Tier Optimizer, and Helium10's Chrome Extension can help you understand all the FBA fees involved in selling a particular product. These calculators also let you play around with dimensions to see how much you can save by optimizing your size tiers.

What happens if my product's size tier seems incorrect?

    If you believe your product's size tier is incorrect, double-check your measurements and make sure you're using the correct formula for calculating dimensional weight. If you still believe the size tier is incorrect, contact Amazon Seller Support for assistance.

Can I avoid FBA fees by using alternative fulfillment options?

    Yes, there are alternative fulfillment options available for sellers who want to avoid FBA fees. These include using a third-party fulfillment service or fulfilling orders themselves through their own warehouse or storage facility.

Can I request a reassessment of my product's size tier?

    Yes, you can request a reassessment of your product's size tier if you believe it has been incorrectly categorized. Contact Amazon's Seller Support with your product's dimensions and weight, and they will review your case.

What is the difference between unit weight and dimensional weight?

    Unit weight is simply the weight of the product itself, while dimensional weight takes into account the product's size as well. Amazon uses whichever measurement is greater to determine the product size tier.

How do I calculate the dimensional weight of my product?

    The formula to calculate dimensional weight is typically length x width x height (in inches) divided by a dimensional weight factor. In Amazon’s case, that factor is 139 for the US and 5,000 for the UK/Europe.

What is the significance of dimensional weight?

    Dimensional weight takes into account the package's size in relation to its weight. Even if your product is lightweight, it may be charged as if it were heavier if it takes up a lot of space in the warehouse and during shipping.