Free Logistics & Amazon Seller Tools

Free Logistics & Amazon Seller ToolsFree calculators for Amazon sellers and freight planners — case packs, carton limits and load planning, all computed by a real cubing engine.

20ft.ai — 3D container, truck and pallet load planning
Amazon Fulfillment Center & Warehouse Locations (FBA & AWD): Map every US FBA fulfillment center and AWD warehouse, and find the one nearest your ship-from address.
Amazon US FBA Fulfillment Fee Calculator (2026): Find the size tier and 2026 fulfillment fee for any unit you sell on US FBA.
Amazon Case Pack Calculator (FBA & AWD): Pack a case and check it against Amazon FBA or AWD limits before you ship it.
Loading guides
How Many Boxes Fit in a 20 Foot Container?
How Many Boxes Fit in a 26 Foot Truck?
How Many Boxes Fit in a 40 Foot Container?
How Many Boxes Fit in a Shipping Container? (20 ft, 40 ft & High Cube)
How Many Boxes Fit on a Pallet?
How Many Euro Pallets Fit in a 20ft Container?
How Many Euro Pallets Fit in a 40ft Container?
How Many Pallets Fit in a 20 ft Container?
How Many Pallets Fit in a 40 ft Container?
How Many Shoe Boxes Fit in a 20 Foot Container?
How Many Shoe Boxes Fit in a 40 Foot Container?
How Many Shoe Boxes Fit in a Shipping Container?
How Many Shoe Boxes Fit on a Pallet?
How Many US Pallets Fit in a 20ft Container?
How Many US Pallets Fit in a 40ft Container?