Inventories exist because its items must be on hand to perform a process such as fulfilling customer orders or manufacturing a batch of products. One way to gain a better appreciation for why inventory is such a necessity to businesses everywhere, is to examine its different uses.
Types of Inventory
1. Safety or Buffer Inventory
Safety inventory provides a buffer against uncertainty. There is often an uncertainty of demand for one’s products. Without safety inventory, there would be lots of missed opportunities when unexpected demand spikes aren’t fulfilled because of insufficient stock. Supply uncertainties are another reason for maintaining safety inventory. A supplier might fail to deliver on time because of any number of reasons. For example, the transport of the goods might get delayed because of weather problems or a traffic accident. Maintaining buffer inventory protects against stockouts and ensures product availability and avoid lost sales.
2. Raw Materials Inventory
If you are a manufacturer or practice delayed differentiation to minimise your safety stock of finished goods, you would have a raw materials inventory. The raw materials could be subassemblies, sub-components, or possibly elemental things like minerals, metals, and wood. It’s the ‘stuff’ required to make your finished product. This allows you to assemble or manufacture your goods without the delay of acquiring your raw materials. Proper stock control to determine inventory levels in real-time is one of the recommended best practices. Raw materials inventory ensures uninterruped production and smooth operations. By effectively managing this inventory, companies can optimise cost, minimise disruptions, and achieve better production efficiency.
3. Anticipation Inventory
When a business anticipates an event that will require more inventory than usual, it acquires anticipation inventory (also known as seasonal stock or speculative inventory). For example, a business may anticipate increased demand because a competitor will go out of business and will build up inventory for that event. Inventory may be increased because a supplier is going out of business or because the supplier plans to increase its prices in the future. Anticipation inventory can mean a higher carrying cost like warehouse space and insurance. A large amount of such inventory can also make it less flexible to adapt to sudden changes in the market.
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4. Cycle Inventory
Cycle inventory covers normal demand. It’s ordered from suppliers in batches, the size of which is determined by factors such as supplier lead times, bulk pricing, shipping costs, and order processing costs. When the batch is used up and gets replaced again, it has ‘turned over’. Businesses seek to maximise inventory turnover while minimising the associated costs. Cycle inventory does not include safety inventory which covers “abnormal” demand or supply problems. Effective cycle inventory management optimises cost and smooth operations.
5. Finished Goods Inventory
Finished goods inventory is the product you keep on hand so that you can immediately respond to customer orders without the delays of ordering or manufacturing the goods requested in the order. Its purpose is to maintain good customer satisfaction levels.
6. Decoupling Inventory
Finished goods are often produced by the flow of materials through a chain of operations or manufacturing centres. Each operation processes the material in some way before the material proceeds to the next operation centre. Decoupling inventory allows the operation centres to work independently of each other. In this way, temporary bottlenecks don’t affect downstream operations. Having decoupled inventory at strategic points allows downstream production stages to continue operating even with a temporary slowdown or disruption upstream. This helps to reduce production disruptions and reduce bullwhip effect.
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FAQ on Inventory Types
What are the most common business uses (types) of inventory?
Most businesses hold inventory for six common purposes: raw materials/components, anticipation inventory, cycle inventory, finished goods inventory, decoupling inventory, and buffer/safety stock. Each type exists to protect service levels, keep production moving, or ensure fast fulfilment.
Why is it important to understand the different types of inventory?
Understanding the different inventory types such as raw materials, work-in-progress, finished goods, MRO, and safety stock helps businesses manage costs, improve availability, and reduce operational risk. Each inventory type behaves differently in terms of demand, storage, replenishment, and financial impact. When inventory is not classified correctly, businesses are more likely to overstock, experience stockouts, tie up working capital, or misreport inventory value. Clear inventory classification enables better forecasting, planning, and decision-making across finance, operations, and supply chain teams.
How can an inventory management solution help my business?
An inventory management solution provides real-time visibility into stock levels, movements, and demand across locations. It helps businesses automate replenishment, reduce manual errors, improve order fulfilment, and optimise inventory holding costs. By integrating inventory with purchasing, sales, warehousing, and finance, the system ensures accurate reporting, better cash-flow control, and more informed operational decisions as the business grows.
What is raw materials inventory and why do businesses need it?
Raw materials inventory includes the basic inputs used to produce goods (e.g., ingredients, parts, components). Businesses hold raw materials so production doesn’t stop due to supplier delays or minimum order lead times.
What are finished goods in inventory management?
Finished goods are products that are complete and ready to sell or ship. Businesses hold finished goods to meet customer demand quickly, improve delivery performance, and reduce missed sales from stockouts.
What is safety stock (buffer inventory) used for?
Safety stock is extra inventory held to protect against unexpected demand spikes, supplier delays, or forecasting errors. It reduces the risk of stockouts, but too much increases holding costs—so it should be set using service-level targets and data.
What is pipeline (in-transit) inventory?
Pipeline inventory is stock that’s been ordered or shipped but hasn’t arrived yet (e.g., items on a truck, at port, or between warehouses). Businesses track it to avoid false stockouts and improve replenishment planning.
What are the biggest risks of not managing inventory by type?
The most common risks are stockouts, overstock, cash flow strain, obsolete stock, and poor production planning. Categorising inventory improves forecasting, replenishment decisions, and financial visibility (COGS and working capital).
How can ERP or WMS software improve inventory control across these inventory types?
ERP and WMS platforms improve inventory control by enabling real-time visibility, barcode/RFID tracking, reorder rules, lot/serial traceability, and multi-location accuracy—so each inventory type is managed with the right processes and controls.
Who should I talk to if I want to improve inventory accuracy and productivity?
If you’re dealing with stockouts, overstock, slow picking/packing, or poor visibility across warehouses, it is worth speaking with specialists. Schedule a call with FUJIFILM MicroChannel’s WMS experts to review your inventory workflows and identify practical improvements across tracking, replenishment, and warehouse execution.
Does FUJIFILM MicroChannel offer inventory tracking solutions suitable for small businesses?
Yes. FUJIFILM MicroChannel is a local Australian partner providing ERP, WMS, and inventory management solutions tailored for small and growing businesses. Our platforms vary in cost, scalability, and functionality, allowing businesses to choose solutions that match their transaction volumes, warehouse complexity, and operational needs. If you’re unsure which option is right for your business, you’re welcome to speak with our team for a no-obligation discussion on how we can help.
