Calculate when to reorder based on lead time, average sales, and safety stock.
Calculate when to reorder so you don't run out of stock.
Days from placing the order to receiving stock.
Extra buffer to cover demand variability.
Enter lead time, average sales (daily or weekly), and safety stock.
Use this free reorder point calculator to find when to reorder inventory. Enter lead time in days, average daily or weekly sales, and safety stock to get the reorder point in units. No sign-up required.
Reorder point = (Lead time in days × Average daily demand) + Safety stock
Added Mar 4, 2026
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