Reorder Calculator

A reorder point answers when a replenishment order should be triggered, not how much demand will actually occur. Use average usage, supplier lead time and safety stock to estimate a practical trigger and stock-out horizon.

ABOUT THIS TOOL

How Reorder Calculator works

A reorder point answers when a replenishment order should be triggered, not how much demand will actually occur. Use average usage, supplier lead time and safety stock to estimate a practical trigger and stock-out horizon.

How to use it

  1. Enter current stock and typical usage.
  2. Enter supplier lead time and safety stock where requested.
  3. Review the estimated reorder point and stock-out timing.
  4. Adjust assumptions to test another scenario.

Works well for

  • Purchase planning
  • Warehouse replenishment checks
  • Comparing supplier lead times
  • Setting a basic safety-stock trigger

Supported workflow

Uses usage rate, lead time and safety stock to estimate a reorder point and possible stock-out timing.

Things to know before you use it

Actual demand and supplier lead times can vary, so treat the result as a planning estimate rather than a guarantee.

Privacy

Entered values and calculations stay in your browser.

Read the full FileFiddler privacy policy.

Common questions

Is Reorder Calculator free to use?

Yes. FileFiddler currently provides this tool free to use in the browser.

What should I check if the result is not what I expected?

Actual demand and supplier lead times can vary, so treat the result as a planning estimate rather than a guarantee.

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