Blog > Inventory Turnover Ratio Defined: Formula, Tips, & Examples

Inventory Turnover Ratio Defined: Formula, Tips, & Examples

By |Last Updated: May 15th, 2024|

Imagine your business could predict the perfect moment to restock every time. Mastering inventory turnover isn’t just about understanding numbers; it’s about timing and strategizing to ensure your business remains competitive and efficient. Inventory turnover is a critical measure that reveals how swiftly a company converts its stock into sales.

Knowing the nuts and bolts of this concept can transform your company’s approach to inventory management.

What is inventory turnover?

Inventory turnover is a critical financial measure which essentially shows how frequently a company sells and replaces its stock of goods during a certain period. Essentially, inventory turnover reflects how well a company aligns its inventory levels with its sales.

what is inventory turnover

To calculate the inventory, companies need to use the inventory turnover ratio to understand their position in the industry.

What is the inventory turnover ratio?

The inventory turnover ratio is a specific formula used to calculate inventory turnover. By understanding this ratio, businesses gain insight into their sales performance, stock management, and customer demand trends. A healthy inventory turnover ratio indicates that a company is efficiently balancing inventory supply with consumer demand, mitigating holding costs and reducing the risk of dead stock or obsolete inventory.

How does the inventory turnover ratio work?

To calculate inventory turnover, one can use this straightforward inventory turnover formula: divide the cost of sales (also known as the cost of goods sold) by the average inventory for that time period. Here’s a simple breakdown:

  • Cost of Goods Sold (COGS): Found on the income statement, this number reflects the direct costs tied to the production of goods sold by a company. Understanding COGS is essential when assessing the health of a company’s inventory practices and its potential impact on profitability.where is cost of goods sold
  • Average Inventory (AI) is calculated by adding the inventory at the beginning and end of the time period and dividing by two. Average Inventory (AI) represents the median stock a company has over a particular time period.

Understanding the inventory turnover ratio assists retailers in keeping the right amount of stock to meet customer demand without incurring excess holding costs or risking obsolete inventory.

How to Calculate the Inventory Turnover Ratio

To fully use the inventory turnover ratio, you must understand how it’s calculated and what the output suggests. The following sections will explain the variables involved in the inventory turnover ratio formula and provide an example of it.

Inventory turnover ratio formula and calculations

When delving into the details, the inventory ratio formula can be expressed as:

inventory turnover ratio

Inventory Turnover Ratio = Cost of Goods Sold / Average Inventory

Below are the variables that make up the inventory turnover ratio.

Cost of Goods Sold (COGS)

To start, we need to calculate COGS by taking the beginning inventory costs, adding any purchases made during the period, and subtracting the ending inventory. The formula is as follows:

Cost of Goods Sold ratio

COGS = Beginning Inventory + Purchases during the period – Ending Inventory

This calculation yields the total cost incurred for the goods sold during a specific time period.

Understanding COGS is essential when assessing the health of a company’s inventory practices and its potential impact on profitability.

Average Inventory (AI)

Next, we need to calculate average inventory. To calculate average inventory, you add the inventory at the beginning and end of the time frame and divide by two. It’s elegantly simple:

Average inventory calculation

AI = (Beginning Inventory + Ending Inventory) / 2

This figure is crucial for calculating inventory turnover, as it helps avoid skewed results from seasonal spikes or drops in inventory levels. The inventory turnover ratio then uses the AI to determine how efficiently a company sells through its stock within a given period.

The average inventory provides a more accurate base for the inventory turnover ratio, allowing businesses to measure the pace at which they are converting inventory into sales.

Inventory Turnover Ratio

This finally leads us to calculate inventory turnover. We can use the following formula:

inventory turnover ratio

Inventory Turnover Ratio = COGS / Average Inventory

Optimizing this ratio is crucial, as it affects holding costs and the company’s ability to meet customer demand without accumulating excess inventory or facing stock shortages.

Inventory turnover ratio in practice

To put the concept into practice, let’s take the example of ABC Electronics, which specializes in selling high-end electronic goods. Suppose ABC Electronics reported a Cost of Goods Sold of $500,000 for the previous year, and their average inventory value during the same period was $50,000. Using the inventory turnover formula:

Inventory Turnover Ratio = COGS / Average Inventory

ABC’s inventory turnover ratio would be:

inventory turnover formula example

$500,000 / $50,000 = 10

This means ABC Electronics turned over its inventory 10 times over the past year. Managers at ABC Electronics can use this figure to assess their sales effectiveness and avoid unnecessary holding costs associated with unsold goods.

By monitoring this ratio regularly, businesses can strategize inventory restocks in alignment with customer demand, eliminating dead stock and reducing the chances of obsolete inventory.

What is a good inventory turnover ratio?

Determining a good inventory turnover ratio is contingent on several variables, including industry standards, market conditions, and company goals. While a higher turnover indicates brisk sales and a lower turnover suggests sluggish sales or overstocking, the ideal ratio balances the two extremes. It effectively aligns with customer demand to minimize holding costs without leading to stockouts. Generally, a ratio between 4 and 6 assures steady sales in inventory while avoiding the accumulation of obsolete inventory is considered advantageous.

How inventory turnover varies based on the industry

Inventory turnover ratios vary markedly across different sectors due to varying business models and product life cycles. For example, a grocery store with perishable items will naturally have a higher turnover compared to a furniture retailer that has longer-lasting products. Each industry has its benchmarks for what is a good inventory turnover ratio. High-volume, low-margin industries, like fast-moving consumer goods, typically exhibit higher turnover rates, while businesses dealing in luxury or specialized items may experience lower turnover, reflecting a longer sales channel and different pricing strategy.

How to fix a low inventory turnover ratio

To address a low inventory turnover, a multipronged approach is usually necessary. Here are some strategies:

  1. Optimize your pricing strategy to boost sales.
  2. Reinvigorate your marketing efforts to increase customer outreach.
  3. Examine and enhance your sales channel efficiency.
  4. Streamline inventory through better demand forecasting and inventory management software.
  5. Clear out dead stock with promotions or discounts.
  6. Diversify your product offering to mitigate dependency on weak-performing stock.

By systematically applying these methods, businesses can enhance their turnover rates, thus improving their overall financial health and operational efficiency.

How a higher inventory turnover ratio is a good thing

A higher inventory turnover ratio is often a positive sign for a business as it implies robust sales and effective inventory management. It can lead to stronger sales, reduced risk of obsolescence, and lower holding costs, promoting a healthier cash flow. Moreover, a well-maintained turnover rate can indicate that the sales of inventory are well-aligned with customer demand, reducing the likelihood of excess inventory or direct costs associated with unsold items. In essence, a commendable turnover rate reflects a fine-tuned balance between supply and demand dynamics, central to achieving operational success and financial stability.

Top 4 ways the inventory turnover ratio can be used

This inventory turnover ratio serves as a valuable indicator across various fronts of a company’s operations. Below are the top 4 ways the inventory turnover ratio can be used for your company.

inventory turnover ratio formula uses

Turnover trends

Monitoring the inventory turnover ratio can provide valuable insights into industry turnover trends for a business.

For example, if a business observes that its inventory turnover ratio is significantly higher than the industry average, it may indicate that the company is more agile in responding to market demand or has more efficient inventory management practices.

By identifying industries turnover trends, businesses can make more accurate decisions to adapt their overall strategy to adapt to the industry they’re in.

Strategic planning

The inventory turnover ratio plays a vital role in strategic planning for businesses. By providing insights into inventory management efficiency, it helps businesses make informed decisions regarding production, purchasing, and pricing strategies.

For example, the inventory turnover ratio can identify that a retail business that sells electronics more rapidly than before by seeing a higher ratio value. As a result, the company could change its strategy to plan its inventory purchases to align with the value the inventory turno