Stock LogicReorder Point Calculator
When should you place the next purchase order? ROP = average daily sales × supplier lead time + safety stock. All calculations run in your browser — nothing leaves your device.
When your inventory hits 360 units, trigger a Purchase Order to prevent stockouts.
Reorder Point
360
units
Demand during lead time
240
units
Safety stock buffer
120
units
Inventory level over time
Stock drains at 15.0 units/day. The amber line is your reorder point, the green zone your safety buffer.