The loss of products between point of manufacture or purchase from supplier and point of sale, typically caused by theft, damage, administrative errors, miscounting, or misplacement. Shrinkage represents a critical key performance indicator that directly impacts profitability and inventory accuracy, making it essential for warehouse managers to monitor and minimize.

Common causes include employee theft, shoplifting, vendor fraud, receiving errors, picking mistakes, damaged goods not properly recorded, and natural deterioration of perishable items. For example, a warehouse might discover during cycle counting that 50 units of a product show in the system but only 45 exist physically, resulting in 10% shrinkage for that SKU.

Effective shrinkage management requires robust inventory controls, regular cycle counts, proper receiving procedures, security measures, and accurate damage reporting processes. Modern WMS solutions help reduce shrinkage through real-time inventory tracking, automated alerts for discrepancies, and comprehensive audit trails.

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