How to use the safety stock calculator
- Maximum daily usage: Observed high daily demand.
- Maximum lead time (days): Observed high lead time.
- Average daily usage: Normal daily demand.
- Average lead time (days): Normal lead time.
- Select the button and review the result.
Worked example
60 × 20 minus 40 × 14 gives 640 units.
Method and limitations
Maximum usage × maximum lead - average usage × average lead.
Historical extremes may not represent future risk; service-level methods can be more appropriate.
Common questions
Why might another result be different?
Inputs, rounding, policies, rates, and assumptions can differ. Compare like-for-like values and use current official information when a rate or rule can change.
Does NidXee save my entries?
No. The calculation runs in your browser. Reloading or closing the page may clear it.