Safety Stock Calculator

Buffer stock for a target service level, with demand and lead-time variability.

Runs in your browser — nothing is uploaded

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How to use Safety Stock Calculator

  1. Enter your values — the unit for each field is shown next to it.
  2. The result updates instantly as you type.
  3. Copy the results, or change inputs to compare scenarios.

Formula & assumptions

SS = z × √(L·σd² + d²·σL²)