Supplier Lead Time Variance & Buffer Model
Evaluates historical supplier lead time variances against standard deviation to prevent stockouts while avoiding costly excess warehouse holding expenses.
Total FOB cost including packaging
Suggested retail price paid by end-consumer
Standard Keystone wholesale discount is 50%
Manufacturer Gross Margin: 50.0% ($12.50 / unit)
Keystone pricing (50% off retail) allows the wholesale retailer to double their money while protecting your manufacturing gross profit.
How to Use This Tool in 3 Easy Steps
Input Expected Lead Time
Enter standard factory production plus sea/air freight transit days.
Input Historical Delay Range
Specify maximum observed days of delay across past purchase orders.
Review Safety Buffer
View additional days and inventory units required to maintain a 98% in-stock rate.
100% Private
Zero data collection
Instant Speed
<5ms client execution
Mobile Ready
Native app feel
100% Free
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Frequently Asked Questions (FAQ)
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