Product Inventory Manager Calculator

Track product usage, calculate reorder points, and minimize waste for nail salon supplies.

Current stock (units)

Usage per service (units)

Services per week

Supplier lead time (days)

Cost per unit ($)

Shelf life (months)

Tab to move between fields

Reorder point (units)

Recommended order qty55

Days of stock left1.7

Needs reorder now?1

Monthly usage (units)54.1

Monthly product cost$974.25

Annual product cost$11,691

Product cost per service$9

Waste risk (units)0

Waste risk ($)$0

How to Use This Calculator

Enter current stock (units) — the number of bottles or jars on hand.
Enter usage per service (units) — e.g., 0.5 if you use half a bottle per service.
Set services per week for this product and your supplier lead time (days).
Enter cost per unit ($) and product shelf life (months).
Check the reorder point (units) — reorder when stock drops to this level.
Review waste risk (units/$) to avoid overstocking products near their expiry date.

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