economic-order-quantity

Calculate EOQ and EPQ for inventory cost minimization.

56|16|Updated Oct 18, 2025
One-click install
npx skills add https://github.com/kishorkukreja/awesome-supply-chain --skill economic-order-quantity
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: economic-order-quantity
Source: https://github.com/kishorkukreja/awesome-supply-chain/tree/main/skills/economic-order-quantity
Command: npx skills add https://github.com/kishorkukreja/awesome-supply-chain --skill economic-order-quantity

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires numpy, pandas, matplotlib, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps businesses minimize total inventory costs by calculating the optimal quantity of goods to order or produce, balancing ordering and holding expenses.

Core Features & Use Cases

  • EOQ Calculation: Determines the Economic Order Quantity (EOQ) for purchased items.
  • EPQ Calculation: Calculates the Economic Production Quantity (EPQ) for internally produced items.
  • Quantity Discounts: Analyzes all-units discount structures to find the most cost-effective order quantity.
  • Backorder Planning: Incorporates backorder costs to optimize order quantities when stockouts are permissible.
  • Reorder Point: Calculates the reorder point to trigger replenishment before stockouts occur.
  • Use Case: A retail store manager can use this Skill to determine the ideal order size for a popular product, ensuring they don't overspend on holding costs while minimizing the risk of running out of stock.

Quick Start

Use the economic-order-quantity skill to calculate the EOQ for an item with annual demand of 10000 units, unit cost of $50, ordering cost of $100, and a holding cost rate of 25%.

Frequently Asked Questions about economic-order-quantity

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I calculate economic order quantity in Python for inventory cost optimization?

Calculate economic order quantity (EOQ) by inputting annual demand, unit cost, ordering cost, and holding cost rate into the Python model to get the optimal order size that minimizes total inventory expenses.

What is the difference between EOQ and EPQ models for production planning?

EOQ determines the optimal order quantity for purchased items, while EPQ calculates the economic production quantity for internally produced items, both balancing setup and holding costs to minimize inventory expenses.

Can I use Python to calculate reorder points and plan backorders for supply chain management?

Yes, you can calculate reorder points to trigger replenishment before stockouts and incorporate backorder costs to optimize order quantities when planned stockouts are permissible in your supply chain.

How do I optimize inventory order quantities when suppliers offer quantity discounts?

Analyze all-units discount structures using the EOQ model to evaluate cost trade-offs across discount tiers, identifying the most cost-effective order quantity that minimizes total purchasing and holding costs.

Do I need pandas and numpy to run deterministic demand models for inventory management?

Yes, the Python implementation of deterministic demand models for EOQ and EPQ calculations requires numpy and pandas dependencies to process inventory parameters and compute optimal ordering quantities.

Can I visualize inventory cost optimization curves using matplotlib in supply chain models?

Yes, matplotlib is a required dependency for the inventory optimization models, allowing you to visualize cost curves and order quantity relationships for EOQ and EPQ supply chain analysis.