Your numbers
Reorder before you hit this level to avoid stockouts.
/day
Units sold per day
days
Order → in-stock
days
Extra days of cover
Reorder point
31 days cover775 units
Lead-time demand
525 units
25/day × 21dSafety stock
250 units
E-commerce
Reorder Point Calculator
Know exactly when to reorder so you never run out of stock.
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About the Reorder Point Calculator
Free inventory reorder point calculator. Enter your daily sales, supplier lead time, and safety buffer to find the exact stock level at which to reorder — so you never run out or oversell. No signup.