Free Tool

Reorder Point Calculator

Calculate exactly when to place your next order. Enter your demand data and the calculator will determine your optimal reorder point and safety stock level.

Average Daily Demand (units)

Lead Time (days)

Demand Std Deviation (units/day)

Leave blank if unknown — safety stock will be zero

Lead Time Std Deviation (days)

Variability in supplier delivery time

Target Service Level

Enter your demand and lead time to see results

Calculate This for Every SKU Automatically

Tru-Stock AI calculates reorder points, safety stock, and order quantities for thousands of SKUs simultaneously using your actual sales data.

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