Bin Location

A bin location is the exact, labeled spot inside a warehouse where a product is stored: a specific shelf, bin, rack level or floor position with its own code. Tracking stock per bin location, not only per warehouse, is what lets a picker go straight to the item instead of searching for it.

By Tibeau De Grauwe, FounderUpdated September 2026

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What a bin location is

A bin location is a named, physical storage position inside a warehouse or stockroom. "Bin" is used loosely: it can be an actual plastic bin, a shelf section, a pallet position in racking, a drawer, or a marked area of floor. What makes it a bin location is that it has a unique code and that stock is recorded against that code.

Bin locations sit below the warehouse level. A business might have two warehouses; each warehouse might have a few hundred bin locations. Inventory software that only knows the warehouse can say "we have 40 units in the north warehouse"; software that knows bin locations can say "25 are on shelf A-03-2 and 15 are in overflow bin R-11".

How bin location codes are structured

Most warehouses build bin codes from the largest area down to the exact position, so the code itself tells a picker where to walk. A common pattern is zone, aisle, rack, shelf level and position, for example A-03-B-2-04. Smaller stockrooms often only need two or three parts, such as aisle and shelf.

Whatever the pattern, keep codes unique, keep them the same length where possible so they sort in walking order, and print them as barcodes or QR codes on the shelf label. Scanning the bin label when putting away or picking confirms the location instead of relying on someone reading a small code correctly.

  • Order the parts from large to small: zone, aisle, rack, level, position
  • Use a consistent length (A-03 rather than A-3) so codes sort in walking order
  • Never reuse a code for a different physical spot
  • Print the code as a scannable label on the shelf itself

Why track stock per bin, not only per warehouse

The first benefit is picking speed: a pick list that names the bin sends the picker straight there. The second is counting accuracy: cycle counts can be done bin by bin, and a difference is traced to one shelf rather than a whole building. The third is putaway discipline: when receiving requires a bin, new stock stops ending up "somewhere near the door".

Bin-level tracking also makes moves visible. When stock is shifted from an overflow pallet to a pick face, a bin-to-bin move keeps the warehouse total unchanged while updating both shelves, and leaves a record of who moved what.

Shared bins, several products and several owners

A bin does not have to hold one product. Small parts are often mixed in one shelf section, and a 3PL may store stock from several clients in the same rack. That works as long as the system keeps a quantity for each product in each bin, rather than one number per bin.

For third-party logistics, ownership is a separate question from location. In StockFlow the client (stock owner) is recorded on the product, so two clients can share bin A-01 and the client inventory report still shows each client's quantity in that bin separately.

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Frequently asked questions

What is a bin location in a warehouse?
A specific, labeled storage position inside the warehouse, such as a shelf, bin, rack level or pallet position, identified by a unique code. Stock is recorded against that code so staff know exactly where each item is.
What is an example of a bin location code?
A-03-B-2-04 could mean zone A, aisle 03, rack B, shelf level 2, position 04. Smaller stockrooms often use shorter codes such as S2-04 for shelf 2, position 4.
What is the difference between a bin location and a warehouse location?
A warehouse location is the building or site; a bin location is a precise spot inside it. One warehouse contains many bin locations, and stock can be tracked at either level.
Can one bin location hold more than one product?
Yes, as long as the inventory system stores a quantity per product per bin. The same applies to 3PLs storing several clients' products in one bin, where the owner is recorded on the product.

Topic guide

Inventory Management Software

Part of our complete guide. Start with inventory management software.

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