Shrinkage is the gap between what your books say you have in stock and what you actually have on the shelves. It comes from shoplifting, employee theft, vendor errors, damaged goods, administrative mistakes, or some combination of all of them. Every retailer deals with it. The question is whether you’re measuring it and recording it properly.

The process starts with a physical inventory count. Most retailers do this quarterly or annually, though high-volume or high-theft-risk stores sometimes count monthly. You physically count every item in the store and backroom, then compare those numbers to what your inventory system says you should have. The difference is your shrinkage.

Recording it in your books is straightforward. You debit a Shrinkage or Inventory Loss expense account and credit your Inventory asset account. This reduces your inventory balance to match reality and puts the loss where it belongs on your income statement. If you use QuickBooks, this is typically done as a journal entry or an inventory adjustment after each count. Getting this right matters because your inventory value directly affects your cost of goods sold and your reported profit.

The industry average for retail shrinkage runs about 1-2% of sales. If you’re a boutique doing $400,000 in annual revenue, that means $4,000 to $8,000 in expected loss. Anything consistently above 2% is a signal that something in your process needs attention. It could be a security issue, a receiving problem where you’re not verifying shipments against purchase orders, or data entry mistakes where items get scanned or counted incorrectly.

To get meaningful information out of your counts, track shrinkage by product category. If your overall rate is 1.5% but small accessories are shrinking at 6%, you know exactly where to focus. Maybe those items need better placement, security tags, or tighter receiving procedures. A single overall number hides the details that actually help you fix the problem.

A few practical things reduce shrinkage over time. Verify every delivery against the purchase order before signing for it. Train employees on proper receiving and POS procedures. Keep your backroom organized so items don’t get lost or damaged. Run cycle counts on high-value or high-risk items between full physical counts so problems don’t compound for months before you catch them.

Your inventory accounting setup needs to support this process. That means your books reflect accurate inventory values, your chart of accounts includes a dedicated shrinkage expense line, and adjustments get recorded promptly after each count. If inventory adjustments only happen once a year at tax time, you’re flying blind for eleven months.

Shrinkage is a normal cost of running a retail business, but it shouldn’t be a mystery. Regular counts, proper recording, and category-level tracking turn it from an unknown drain into a manageable line item. If you need help getting your inventory tracking set up correctly, Rock Steady Bookkeeping works with retail shops throughout Wisconsin to build systems that give you clear, reliable numbers.