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Shopify Stockout Risk Checker

Enter current stock, average daily sales, and supplier lead time — instantly see how many days before each SKU runs out and exactly when to reorder.

SKU 1

Stock on Hand

Daily Sales

Lead Time (days)

Lead time= days from placing an order to receiving stock.  Daily units sold = average units sold per day (orders ÷ 30 works as a starting point). Pure client-side math — nothing is sent to a server.