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Safety stock buffer visualizer

July 6, 2026

Discover Flowlity's free interactive safety stock buffer visualizer: set your demand and service level and see, live on the demand curve, how much of it your buffer covers and how much stockout risk is left in the tail.

Safety stock builder + demand distribution

The classic formula in action: pick a service level and watch the safety stock, and the risk it leaves on the table.

Avg weekly demand (units)

Demand variability σ (units/week)

Lead time (weeks)

Target service level95.0%

Covered demand Stockout risk Mean + safety stock

Illustrative, classic safety stock formula on a normal demand assumption. Not a Flowlity output or a performance guarantee.

Safety stock

units

Z-value (service factor)

standard deviations

Stockout probability

per replenishment cycle

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