FIFO vs LIFO Warehouse Racking Systems: How to Choose the Right Storage Method

A warehouse racking system is a physical storage structure designed to implement inventory management methods such as FIFO and LIFO by controlling how goods are loaded, stored, and retrieved. Virtually any warehouse racking system can be designed to work in FIFO or LIFO mode. But which is right for your warehouse or distribution center?

This article will introduce FIFO or LIFO racking systems from the perspective of functions, applications, and cases.

What is FIFO Racking System?

FIFO Racking System apply to Frist-in First Out inventory management method where the first goods stored are the first to be picked, suit to store perishable and date-sensitive products. For example, if you're stocking items like building materials, the newest materials will be used first, while older stock remains until needed.

The Common FIFO Racking System include : Selective Pallet Rack, Pallet Flow Racking, Carton Flow Racking, Drive-through Rack, Pallet Shuttle Rack.

The FIFO method operates on the principle that inventory items are removed in the same order they were added. This is crucial for businesses that handle perishable items, as it helps prevent spoilage and ensures product freshness. 

Loading and Unloading: Products are loaded from one end of the racking system and removed from the opposite end. This design facilitates a smooth flow of goods.

Gravity-Driven Movement: Many FIFO systems utilize gravity to assist in moving products along inclined roller beds or flow rails, enhancing efficiency and reducing manual handling.

Applications of FIFO Racking

• Food and Beverage Industry: This industry relies heavily on FIFO to ensure that food products are sold before they spoil. Implementing FIFO helps reduce waste and ensures compliance with health regulations regarding food safety.
• Pharmaceuticals: Pharmaceuticals use FIFO to manage inventory effectively, ensuring that medications are dispensed before their expiration dates. This practice helps maintain product efficacy and safety.
• Cosmetics: Many cosmetic items have a limited shelf life. FIFO helps retailers and manufacturers minimize the risk of picking expired products in warehouse, thus protecting product and increase the picking efficiency.
• Electronics: In the electronics sector, where products can quickly become obsolete, FIFO is crucial for managing inventory turnover. It ensures that older models are sold before newer versions are introduced.
• Apparel and Fashion: The fashion industry benefits from FIFO by ensuring that older stock is sold first, helping retailers keep up with changing trends and reducing markdowns on unsold items.
• Distribution Centers: Distribution centers handling a variety of goods, including perishable items, utilize FIFO to streamline operations and enhance customer satisfaction by providing fresh stock.

Pros and Cons of FIFO Racking System

Advantages

• Improved Stock Management: Reduces waste by ensuring older products are sold first.
• High Density Storage: Maximizes warehouse space compared to traditional racking systems
• Reduced Labor Costs: Streamlined operations lead to faster loading and unloading times
• Enhanced Product Tracking: Each lane typically corresponds to a single SKU, simplifying inventory management

Disadvantages

• Higher Initial Costs: Installation of specialized racking systems can be expensive compared to standard shelving solutions
• Space Requirements: Some FIFO systems may require more vertical space due to their design
• Limited Flexibility: Once set up, changing the configuration can be challenging without significant effort and cost

What is LIFO Racking System?

LIFO (Last In, First Out) is an inventory management method where the most recently added items are the first to be removed from storage. This system is particularly useful for goods that do not have a limited shelf life or those that are stored in bulk. In a LIFO Racking system, recently stored goods are retrieved first, typically using a single access aisle. The first item placed into storage remains there until all items placed in front of it have been removed, making it ideal for managing homogeneous products. 

The Common FIFO Racking System includes: Double deep racking, Push back racking, Drive in racking,

Detailed Explanation of the LIFO Method

The LIFO method operates on the principle that the last item placed in a storage system is the first one to be retrieved. This approach is advantageous in scenarios where:

• Long Shelf Life: Products do not degrade quickly and can remain in storage for extended periods.
• Bulk Storage: Items are stored in large quantities, making it less critical to manage expiration dates.
• Homogeneous Goods: The products are similar enough that their order of removal does not significantly impact operations.

In practice, LIFO can streamline operations by allowing for quicker loading and unloading processes since all activity occurs from the same aisle.

Applications of LIFO Racking System

• Manufacturing: Non-Perishable Raw Materials: Industries such as construction often store materials like bricks and cement, which do not degrade over time. LIFO allows them to manage inventory efficiently without worrying about spoilage.
• Wholesale Distribution:Bulk Commodities: Wholesalers dealing with large quantities of similar products, such as food distributors for canned goods or dry foods, can leverage LIFO to maximize storage and streamline operations.
• Retail: Seasonal Products: Retailers that sell items with long shelf lives, such as clothing or home goods, can benefit from LIFO by ensuring that the most recently acquired stock is sold first, aligning with consumer demand.
• Automotive Industry: Parts and Components: Auto parts suppliers often use LIFO for managing inventories of components that are not subject to rapid obsolescence, allowing them to keep track of costs effectively.
• Pharmaceuticals:Long-Shelf-Life Drugs: While some pharmaceuticals require FIFO due to expiration concerns, many non-perishable medications can be managed using LIFO, particularly those with stable pricing.
• Fuel and Tobacco Industries:Price Fluctuations: Industries like fuel distribution often face rising costs; thus, using LIFO helps match revenues with the latest costs and minimizes tax liabilities during inflationary periods.
• Construction and Building Materials:Homogeneous Products: Companies that stockpile materials like steel beams or lumber can utilize LIFO to optimize their storage space and manage inventory turnover effectively.

Pros and Cons of LIFO Racking System

Advantages

Space Efficiency: Requires fewer aisles, maximizing storage capacity within a warehouse.

Reduced Handling Time: Loading and unloading occur from the same side, streamlining operations.

Cost-Effective: Often lower initial investment compared to more complex systems like FIFO.

Disadvantages

Inventory Management Challenges: Can complicate tracking of older stock if not managed properly.

Potential Waste Risk: Older inventory may remain unsold longer if newer stock continues to be added.

Limited Applicability: Not suitable for perishable goods or items with expiration dates, as it may lead to spoilage.

FIFO vs LIFO: Quick Comparison

Why more companies choose FIFO Racking system

FIFO adheres to the natural flow of items, ensuring that goods entered into the warehouse first are also the first to be removed. This model is easy to understand and execute, which significantly reduces training costs for employees.

Furthermore, the FIFO system imposes relatively simple requirements on warehouse layout and design, eliminating the need for complex shelving structures and making it suitable for most standard warehouse environments. Implementation can be achieved through methods such as color management, label management, and kanban management, all of which are easy to execute and maintain within a warehouse setting.

From a budget perspective, FIFO systems typically do not necessitate expensive automation equipment, resulting in lower initial investments and operational costs. The method can be effectively implemented using basic location management and inventory tracking systems, thus saving on budget expenditures.

Maintenance of a FIFO system is relatively uncomplicated, primarily involving regular inventory counts and ensuring that items flow in the correct order. This simplicity leads to lower maintenance costs.

Additionally, FIFO systems help mitigate the risks of product damage and obsolescence, which is particularly crucial when handling perishable goods or products with expiration dates. By ensuring that older items are sold or utilized first, FIFO contributes to maintaining accurate inventory records and minimizes the likelihood of overstocking or stockouts.

Moreover, FIFO systems offer greater accuracy in cost accounting and taxation, especially in scenarios where product prices are consistently rising, thereby reducing tax liabilities.

In conclusion, FIFO systems minimize product damage and waste while meeting customer demands, optimizing warehouse space, and enhancing inventory accuracy. 

Finding a one-stop to optimize your individual stock?

Heda Shelves is China leading pallet racking manufacturer, providing worldwide businesses with quality made warehouse storage solutions for over 25 years. We offer a wide range of LIFO and FIFO storage rack systems including selective racking, drive in racking, push back racking, pallet flow racking, radio shuttle racking and more!

Call us today on +86 18124246657 for a free quote and warehouse design.

FAQ

Q: What is the key difference between FIFO and LIFO racking systems?

A: The difference between FIFO and LIFO racking systems lies in inventory flow. FIFO removes the oldest stock first using separate loading and unloading aisles, while LIFO retrieves the newest stock first from a single access aisle.

Q: Which is better for warehouses, FIFO or LIFO?

A: FIFO racking is better for warehouses handling perishable or regulated goods, while LIFO racking is more suitable for bulk, non-perishable products. The best choice depends on product shelf life, inventory turnover rate, and space utilization requirements.

Q: Is FIFO required for food and pharmaceutical warehouses?

A: Yes, FIFO is strongly recommended for food and pharmaceutical warehouses because it ensures proper stock rotation, reduces spoilage, and supports compliance with safety and expiration regulations. Many cold storage and pharmaceutical facilities rely on FIFO racking systems for inventory control.

Q: Does FIFO racking cost more than LIFO?

A: FIFO racking systems typically have higher initial costs than LIFO systems due to additional aisles, flow mechanisms, or automation. However, FIFO system often reduces product waste and improves inventory accuracy with its selectivity, resulting in lower long-term operational costs.

Q: How do I choose between FIFO and LIFO racking?

A: To choose between FIFO and LIFO racking, evaluate product shelf life, SKU variety, storage density needs, and compliance requirements. Warehouses handling perishable goods typically require FIFO, while bulk storage operations often benefit more from LIFO systems.