When preparing an Amazon FBA shipment, entering accurate box weight and dimensions is an important part of completing your shipment. This information helps Amazon and the carrier properly process your boxes and can affect shipping charges and whether the shipment meets Amazon’s requirements.
Why Box Weight and Dimensions Matter
Amazon requires sellers to provide information about each shipping box before an FBA shipment is completed. Incorrect measurements can lead to shipping-cost adjustments, shipment processing issues, or problems if the box exceeds Amazon’s applicable limits.
Best Practices for Measuring FBA Boxes
Follow these tips when entering your box information:
Measure the box after it is packed. Add all inventory and packing materials and seal the box before taking the final measurements.
Measure the outside of the box. Use the box’s actual exterior length, width, and height rather than the manufacturer's advertised dimensions.
Measure each box individually. Don't assume boxes have identical measurements just because you're using the same type of box.
Weigh the completely packed box. The weight should include the products, box, packing materials, and anything else being shipped.
Use an accurate shipping scale. Avoid estimating the weight, particularly for heavier boxes.
Double-check your entries. Make sure the weight and dimensions entered during the shipment workflow match the physical box.
Check Amazon's current size and weight requirements. Requirements can vary depending on the products and shipment type, so verify current limits in Seller Central before shipping.
Important
The dimensions and weight entered in AccelerList should represent the actual packed box being sent to Amazon. If you make changes to the contents or packaging after entering this information, weigh and measure the box again and update the shipment information when applicable.