Inventory Reorder Point Calculator

Simplified formula: daily demand × lead time + safety stock.

Your numbers

Enter your numbers to see the result.

How Inventory Reorder Point works

Reorder point = daily demand × lead time in days + safety stock, rounded up to whole units.

A worked example

These sample values illustrate the calculation. Use your own numbers in the calculator for your result.

Example inputs
Average units sold per day
10
Supplier lead time in days
7
Safety stock
20
Reorder point in units
90

Assumptions and limits

Simplified formula: daily demand × lead time + safety stock.

Planning estimate only. This is not legal, tax, payroll or accounting advice.