How to Calculate Inventory Holding Cost: A Step-by-Step Guide
By Emil Kristensen CMO
@ Sleeknote

Inventory holding cost is the cost of storing, maintaining, and managing inventory. It is a key metric that businesses use to determine how much it costs to carry inventory over a specific period. In this article, we will be discussing how to calculate inventory holding cost step-by-step.

What is Inventory Holding Cost?

Inventory holding cost refers to the cost associated with holding and maintaining inventory over a specific period. It includes expenses such as storage costs, insurance, taxes, depreciation, and obsolescence. These costs are incurred to ensure that products are stored safely and have a long shelf life.

One of the main reasons why inventory holding cost is important to consider is because it can significantly impact a company’s profitability. If a company holds too much inventory, they may incur high holding costs and tie up valuable resources that could be used elsewhere. On the other hand, if a company holds too little inventory, they may face stockouts and lose potential sales. Therefore, it is crucial for companies to find the right balance between holding enough inventory to meet demand and minimizing holding costs.

Why is Calculating Inventory Holding Cost Important?

Calculating inventory holding cost is important because it helps businesses determine the true cost of carrying inventory. It enables them to make informed decisions when it comes to inventory management and helps them to reduce holding costs, thereby increasing profit margins. By knowing the value of inventory holding cost, businesses can optimize their inventory levels to ensure they are not overstocked or understocked, which can ultimately lead to the loss of sales or excess inventory.

Factors Affecting Inventory Holding Cost

There are several factors that can affect inventory holding cost, including the number of products being held, the type of products, the storage space required, the storage duration, and the holding costs of the products. Other factors that can impact the cost of holding inventory include the cost of financing, labor costs, and the cost of maintaining the warehouse and the IT systems used for inventory management.

Different Types of Inventory Holding Costs

There are several different types of inventory holding costs that businesses should be aware of. These costs can be grouped into two categories: direct and indirect.

Direct Costs:

Direct costs are those that are directly associated with carrying and storing inventory. These costs include expenses such as storage space, insurance, and security. These costs are typically incurred on a regular basis and can be accurately calculated.

Indirect Costs:

Indirect costs are those that are less obvious and may not be directly related to holding inventory, but can still impact the bottom line. These costs include expenses such as lost revenue due to excess inventory, obsolescence, and damage. They are often more difficult to quantify than direct costs, but can have a significant impact on the overall cost of holding inventory.

How to Calculate Direct Costs of Inventory Holding

There are several steps involved in calculating the direct costs of holding inventory:

Step 1: Identify the Direct Costs:

The first step in calculating the direct costs of inventory holding is to identify the costs involved. These costs could include storage space, utilities, insurance, and taxes. It’s important to make a comprehensive list of all direct costs associated with holding inventory.

Step 2: Calculate the Total Cost:

Once you’ve identified all of the direct costs, the next step is to calculate the total cost of holding inventory. Add up all of the costs associated with inventory holding for a specific period, such as a month or a year. This will give you an accurate picture of the total direct cost incurred during that time.

Step 3: Divide the Total Cost by the Average Inventory Level:

The final step is to divide the total cost by the average inventory level. This will give you an accurate measure of how much it costs to carry inventory over a specific period.

How to Calculate Indirect Costs of Inventory Holding

Calculating indirect costs can be more challenging than calculating direct costs. Some of the most common indirect costs associated with inventory holding include the cost of lost sales due to stockouts, damage or spoilage of inventory, and costs associated with inventory obsolescence.

Step 1: Identify the Indirect Costs:

To calculate your indirect costs, you should start by identifying the costs associated with each cost category. Make a list of all the indirect costs you can think of, such as the cost of lost sales, damage, and obsolescence. Then, organize these costs into categories.

Step 2: Estimate the Total Indirect Costs:

Once you’ve identified the indirect costs, the next step is to estimate the total cost of these costs. This can be done by taking the average of the estimated cost of each category and multiplying by the total inventory value.

Step 3: Add Total Direct Cost and Total Indirect Cost Together:

Finally, you can add the total direct costs and total indirect costs together to get an accurate measure of the overall cost of holding inventory.

Strategies to Reduce Inventory Holding Cost

Reducing inventory holding cost can help businesses improve their profitability and competitiveness. Some strategies to reduce inventory holding cost include optimizing inventory levels, using inventory management software, negotiating better terms with suppliers, and using just-in-time (JIT) inventory management systems. These strategies can help businesses to optimize inventory levels and reduce the cost of holding inventory over time.

Importance of Regularly Reviewing and Adjusting Inventory Levels

Regularly reviewing and adjusting inventory levels is essential for businesses that want to stay nimble and competitive. By analyzing inventory levels and adjusting them to meet customer demand, businesses can avoid stockouts and improve customer satisfaction. Regular reviews can also help businesses to identify obsolete inventory, which can be sold or disposed of to reduce the cost of holding inventory.

Tools and Software to Help Calculate and Manage Inventory Holding Cost

Several tools and software solutions can help businesses to calculate and manage inventory holding cost. These tools can help businesses to automate common tasks such as inventory tracking, demand forecasting, and supply chain management. Examples of popular inventory management software solutions include Quickbooks, Fishbowl, and inFlow Inventory.

Conclusion

Inventory holding cost is an important metric that businesses should be aware of. It is the cost of storing, maintaining, and managing inventory over a specific period. Calculating inventory holding cost can help businesses optimize their inventory levels, reduce holding costs, and increase profit margins. To calculate inventory holding cost, businesses must identify direct and indirect costs and regularly review and adjust inventory levels. By using tools and software, businesses can automate inventory management and reduce the cost of holding inventory over time.