Inventory Management Templates
Safety Stock Calculator (Excel)
Compute safety stock for up to 10 SKUs by two methods — statistical and simple — then compare side-by-side. Includes a Z-multiplier lookup table for 7 service levels.

About this template
Compute safety stock for up to 10 SKUs by two methods — statistical and simple — then compare side-by-side. Includes a Z-multiplier lookup table for 7 service levels.
What's included
- Statistical formula: Safety Stock = Z × σ × √LeadTime
- Simple formula: (Max Use × Max LT) − (Avg Use × Avg LT)
- Side-by-side comparison sheet with recommended buffer
- Built-in Z lookup for 90% to 99.9% service levels
- Pre-loaded with 10 sample SKUs across categories
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Related Articles
Safety Stock Calculation: The Complete Operator’s Guide
Safety stock is where most retailers either drown in cash or run out of best-sellers. Here is how to size it with intent — not gut feel.
Reorder Point Formula: A Complete Guide With Examples
Set reorder points correctly and stockouts almost disappear. Set them wrong and inventory bloats. Here is the complete operator’s guide.
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