Inventory types & classifications: Examples, benefits, and best practices

types of inventory

Conventional examples include the raw materials a manufacturing company holds, as well as the merchandise retailers sell. Classifying inventory allows a business to have the right items at the right time in the right quantity. Inventory, also called ‘stock’, is goods and materials your business buys to resell to customers.

In this article, we zoom in on the four basic types of inventory and how to manage them. That’s why over 15,000 businesses globally trust us as their inventory management solution. Consignment inventory is the inventory owned by the supplier/producer (generally a wholesaler) but held by a customer (generally a retailer). The customer then purchases the inventory once it has been sold to the end customer or once they consume it (e.g., to produce their own products). Classifying inventory can be a lifesaver during tax time when accounting for Cost of Goods Sold (COGS), which ultimately tells you if your business was profitable. Classification also aids in smooth accounts payable and accounts receivable operations and a general ledger that balances out.

  1. Although technically not finished goods or raw materials anymore, they are still part of the overall inventory.
  2. If a company frequently switches its method of inventory accounting without reasonable justification, it is likely its management is trying to paint a brighter picture than reality would indicate.
  3. If you were a bicycle manufacturer, the complete bikes would fit into finished goods.
  4. Plus, through WGU’s competency-based education model, you can progress through your studies as fast as you master the material and take assessments when you’re ready.
  5. There are several types of inventory management systems, but inventory software is the clear choice for growing businesses.

Inventory Management Methods

This portion of inventory is frequently replenished and “cycled” through, ensuring that products are always available for regular sales. The finished goods are the products that are fully manufactured, ready for sale, and need no further processing. They are the end result of the production process, awaiting distribution to retailers or direct consumers.

In that case, wheat and anything else used to make flour would be treated as raw material inventory. Possessing a high amount of inventory for a long time is usually not a good idea for a business. That’s because of the challenges it presents, including storage costs, spoilage costs, and the threat of obsolescence. With this method, a company aims to receive goods as close as possible to when they are actually needed.

types of inventory

What Is Inventory? Definition, Types, and Examples

Instead of keeping stock, they rely on third-party suppliers to ship products directly to customers upon purchase, bridging the gap between supplier and end consumer. The efficient management of MRO inventory ensures that production is never halted due to lack of maintenance materials or tools. This inventory type supports the core production process, even if it’s not directly involved in it. The raw materials are the basic components that are transformed into finished goods. They are the essential items required at the start of the production process, without which the final product cannot be made. Ideally, you want to keep enough inventory on hand to meet customer demand.

The 4 Types of Inventory and Tips on Managing Them

Inventory must be insured, and if it is not used up or sold in time it may have to be disposed of at clearance prices—or simply destroyed. QuickBooks Enterprise has all the tools you need to manage your inventory profitably, such as mobile barcode scanning, real-time tracking, and custom reporting. Accurate cycle counts are difficult to execute without effective warehouse operations.

Adam received his master’s in economics from The New School for Social Research and his Ph.D. from the University of Wisconsin-Madison in sociology. He is a CFA charterholder as well as holding FINRA Series 7, 55 & 63 licenses. He currently researches and teaches economic sociology and the social studies of what is cost of goods sold cogs and how to calculate it finance at the Hebrew University in Jerusalem.

This, however, may complicate cost accounting as the work and materials won’t be included in the finished good’s cost. Finished goods inventory consists of all goods that have finished manufacturing and are ready to be sold. These are items that all manufacturing processes have finished on and are ready for shipping. Work in process or WIP inventory constitutes all materials that work has begun on but that are not finished yet.

This includes both finished goods (products) and raw materials (components to make finished goods). Inventory can also refer to a list of all the items a business has on hand to produce or sell products. Every category of inventory, from raw materials and work-in-process to finished goods and MRO supplies, presents its unique set of management challenges. For instance, raw materials require precise demand forecasting in planning order sizes, and finished goods capacities need careful coordination to align production with customer demand.

This can types of audit evidence also raise red flags regarding a company’s ability to stay competitive and make products that appeal to consumers going forward. This financial ratio indicates the average time in days that a company takes to turn its inventory, including goods that are a work in progress, into sales. DSI is also known as the average age of inventory, days inventory outstanding (DIO), days in inventory (DII), days sales in inventory, or days inventory and is interpreted in multiple ways.