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Safety Stock Calculator

Size the buffer that protects you from demand and lead-time swings.

Your numbers

units

How much daily demand typically varies.

days

Safety stock

Hold this many units as a buffer above expected demand.

Updates as you type · nothing leaves your browser

The formula

Safety stock = Z × σ_daily × √Lead time

Z is the service-level factor; σ is the standard deviation of daily demand.

What it means

Safety Stock — full definition

Read in the glossary

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