StockFlow Calculator

Streamline your inventory with StockFlow: optimize stock, plan reorders, and visualize future needs.

Inventory Inputs

Units sold per day, from sales records.

Days to receive stock after ordering.

Chance of avoiding stock shortages.

Days your business sells annually.

Total cost to place one order (e.g., shipping, handling fees).

Cost to purchase a single unit of the product.

Projections and Planning

Days to plan inventory needs.

Your current inventory (defaults to Reorder Point).

Example

Scenario: A bookstore sells 50 books daily, with 7-day lead time, 90% service level, 365 operating days, ₹1000 cost per order, ₹200 cost per unit.

Results:
Safety Stock: 33.80 units
Reorder Point: 383.80 units
Optimal Order Size: 2,738.61 units

Planning Example:
30 forecast days, 383.80 current stock. Total needed: 1,533.80 units. Reorder ~Day 3, order ~2,738.61 units.

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