Stock reorder point
Business / FREE CALCULATOR
Estimate the inventory level that triggers an order.
Your answer starts here.
Enter your values and select Calculate to see the result and any available breakdown.
How to use this calculator
- Enter average daily unit demand. Use the unit shown beside the field.
- Enter supply lead time (days). Use the unit shown beside the field.
- Enter safety stock units. Use the unit shown beside the field.
- Select Calculate and review the result. Select Reset to restore the example inputs.
How the calculation works
Average daily unit demand*Supply lead time (days)+Safety stock units
Worked example
Average daily unit demand = 10; Supply lead time (days) = 7; Safety stock units = 30. Result: 100 units.
Understand your result
Estimate the inventory level that triggers an order. The result is expressed in units.
Assumptions and limitations
Assumes stable demand and lead time; uncertainty is represented only by entered safety stock. Results are rounded for display.
Questions about this tool
What does this tool calculate?
Estimate the inventory level that triggers an order.
What should I check before using the answer?
Assumes stable demand and lead time; uncertainty is represented only by entered safety stock.
Related guides
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