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Inventory & Operations

Safety Stock Calculator

Calculate safety stock and a reorder point. Safety stock is peak daily sales times longest lead time, minus average daily sales times average lead time.

Example numbers, replace with yours

Units on a peak day

days
days
Safety stock
440
Buffer units
Reorder point
840
Reorder at this level
Hold 440 units of safety stock to absorb demand and lead-time spikes, and reorder once you hit 840 units on hand. Too little risks stockouts; too much ties up cash.
Pressure test these numbers

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