Safety Stock Calculator
Safety stock=Z × daily demand SD ×√lead days; reorder point=mean daily demand ×lead days+safety stock. Constant lead time, independent normal daily demand, cycle service level (not fill rate). Results use floating-point arithmetic; verify inputs and units.
Enabling local controls…
Results
Review the settings and run. Editing inputs clears old results.
Processing model and limits
Safety stock=Z × daily demand SD ×√lead days; reorder point=mean daily demand ×lead days+safety stock. Constant lead time, independent normal daily demand, cycle service level (not fill rate).
Data and model checked: OpenStax College Algebra ↗Source tool controls ↗
How to use this tool
Load the example, confirm field units and processing rules, then run locally. Editing any input clears the old result. Copy or download the complete output explicitly.
When not to use it
Safety stock=Z × daily demand SD ×√lead days; reorder point=mean daily demand ×lead days+safety stock. Constant lead time, independent normal daily demand, cycle service level (not fill rate).