Inventory
Inventory Reorder Calculator
Estimate when to reorder and how much to reorder based on demand, lead time, and safety stock.
Who this tool is for
Inventory managers and operators reducing stockouts and overstock risk.
How it works
Enter stock, sales velocity, lead time, and policy values to get reorder point, stockout timing, and recommended quantity.
Private by design
Private by design: this tool runs in your browser. Your Shopify CSV is processed locally and is not uploaded to our servers. No Shopify login, no Shopify API connection, and no account required.
FAQ
What formula is used for reorder point?
Reorder point = average daily sales * lead time days + safety stock.
How is reorder quantity computed?
Recommended reorder quantity = max(MOQ, average daily sales * desired coverage days + safety stock - current stock).
What if average daily sales is zero?
Days until stockout is shown as N/A to avoid division by zero.