Early Access: Get 3 Months Free β€” Limited SpotsJoin now

Reference

Inventory Management Glossary

Key terms and definitions for inventory management, warehouse operations, and stock control. Learn the language of efficient inventory.

AllMetricsFormulasPricingConceptsBasicsMethodsSystemsTechnologyTraceabilityStrategyProcesses

Inventory Turnover

Metrics

A ratio measuring how many times inventory is sold and replaced over a period.

Read full definition β†’

Economic Order Quantity (EOQ)

Formulas

The optimal order quantity that minimizes total inventory costs.

Read full definition β†’

Cost of Goods Sold (COGS)

Metrics

The direct costs of producing goods sold by a business, including materials and labor.

Read full definition β†’

Markup vs Margin

Pricing

Markup is added to cost; margin is the percentage of revenue that is profit.

Read full definition β†’

Wholesaler vs Distributor

Concepts

Wholesalers buy and resell in bulk; distributors represent manufacturers directly.

Read full definition β†’

Consignment Inventory

Concepts

Goods held by a retailer but owned by the supplier until sold.

Read full definition β†’

Types of Inventory

Basics

The four main types: raw materials, work-in-progress, finished goods, and MRO.

Read full definition β†’

Lot Number vs Serial Number

Traceability

Lot numbers identify batches; serial numbers identify individual items.

Read full definition β†’

Inventory vs Stock

Basics

Often used interchangeably; inventory is broader and includes assets and supplies.

Read full definition β†’

Barcodes vs QR Codes

Technology

Barcodes hold limited data; QR codes hold more and scan from any angle.

Read full definition β†’

80/20 Inventory Rule

Strategy

The Pareto principle: 20% of products typically generate 80% of revenue.

Read full definition β†’

FIFO vs LIFO

Methods

FIFO sells oldest inventory first; LIFO sells newest first for accounting purposes.

Read full definition β†’

Safety Stock

Concepts

Extra inventory held to protect against variability in demand or supply.

Reorder Point

Concepts

The inventory level at which a new order should be placed to avoid stockouts.

Cycle Count

Processes

A method of auditing inventory by counting a subset of items on a rotating schedule.

SKU (Stock Keeping Unit)

Basics

A unique identifier for each distinct product and its variants.

Lead Time

Concepts

The time between placing an order and receiving the goods.

Perpetual Inventory

Systems

A system that updates inventory counts in real-time as transactions occur.

Periodic Inventory

Systems

A system that updates inventory counts at fixed intervals through physical counts.

ABC Analysis

Methods

A method of categorizing inventory by value and importance (A=high, B=medium, C=low).

Dead Stock

Concepts

Inventory that has not sold or been used for an extended period.

Put these concepts into practice

StockZip inventory management software helps you apply these concepts with barcode scanning, low-stock alerts, and real-time tracking.