Business calculator
Reorder Point Calculator
Estimate when to reorder inventory from daily demand, lead time, and safety stock.
FormulaReorder point = demand per day x lead time + safety stock
Formula
Reorder point
Reorder point = demand per day x lead time + safety stock
120 units/day for 7 days plus 300 safety stock gives 1,140 units.
FAQ6 common questions for this calculator.
FAQs
What is lead-time demand?+
It is expected demand while waiting for replenishment.
Why add safety stock?+
Safety stock buffers demand spikes and supplier delays.
How does the Reorder Point Calculator calculate the result?+
For the Reorder Point Calculator, it uses the Reorder point: Reorder point = demand per day x lead time + safety stock. 120 units/day for 7 days plus 300 safety stock gives 1,140 units.
What information do I need to use the Reorder Point Calculator?+
For the Reorder Point Calculator, enter daily demand, lead time, and safety stock. Keep the units consistent with the calculator fields and compare your setup with the worked example on the page.
How accurate is the Reorder Point Calculator?+
Reorder Point Calculator is accurate when the business inputs come from the same reporting period and definition. It applies the Reorder point. Platform attribution windows, refunds, taxes, or overhead allocation can change the interpretation.
What should I check before using the Reorder Point Calculator result?+
For the Reorder Point Calculator, check daily demand, lead time, and safety stock, measurement period, attribution window, revenue basis, costs, and rounding rules. Business metrics change meaning when inputs come from different systems or time ranges.
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How to use the Reorder Point Calculator
Estimate when to reorder inventory from daily demand, lead time, and safety stock. The page also explains the reorder point and shows a practical example: 120 units/day for 7 days plus 300 safety stock gives 1,140 units.
- 1
Enter your details
Enter daily demand, lead time, and safety stock, then complete any other fields shown in the calculator.
- 2
Check the calculation
Review the result alongside the reorder point: Reorder point = demand per day x lead time + safety stock.
- 3
Compare scenarios
Change one or more inputs to see how they affect the reorder Point Calculator result before you use the estimate.