Reorder Point Calculator
Calculate when to reorder inventory based on lead time and demand.
Inputs
units
days
units
units/day
%
Results
Reorder Point
1,523 units
Lead Time Demand1,400 units
Safety Stock123 units
Days of Coverage at ROP15.2 days
Annual Demand36,500 units
Z-Score1.65
How to Use This Calculator
- Enter the average daily demand in units.
- Set the supplier lead time in days.
- Input your desired safety stock level.
- Review the Reorder Point (ROP) — the inventory level at which to place a new order.
- Trigger purchase orders automatically when on-hand inventory reaches the ROP.
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