Average Inventory Calculator

Updated on 28-Apr-2025

Quickly calculate average inventory using beginning and ending inventory values with our free Average Inventory Calculator. Ideal for turnover analysis and inventory management.


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Formula:

(Beginning Inventory + Ending Inventory + Additional Periods) ÷ Number of Periods

Efficient inventory management is key to running a successful business, and one of the most important metrics in inventory analysis is Average Inventory. Our Average Inventory Calculator helps you determine how much inventory a business holds on average during a specific time period.

What is Average Inventory?

Average Inventory is the mean value of inventory held over a specific period. It gives you a more realistic picture than simply looking at inventory at the beginning or end of a period.

Formula to Calculate Average Inventory

The formula is simple:

Average Inventory=Beginning Inventory+Ending Inventory2\text{Average Inventory} = \frac{\text{Beginning Inventory} + \text{Ending Inventory}}{2}

Why is Average Inventory Important?

  • It helps evaluate inventory turnover (how often inventory is sold and replaced).
  • It provides a more balanced view of inventory trends.
  • It's used in several financial ratios and efficiency metrics.

Example Calculation

Let’s calculate the average inventory using the following example:

  • Beginning Inventory = $40,000
  • Ending Inventory = $60,000

Step-by-step Calculation:

Average Inventory=40,000+60,0002\text{Average Inventory} = \frac{40{,}000 + 60{,}000}{2}

Average Inventory=100,0002=50,000\text{Average Inventory} = \frac{100{,}000}{2} = 50{,}000

Final Answer:

The Average Inventory is $50,000

 

Use Case

You can now use this average inventory value in other calculations such as:

  • Inventory Turnover Rate
  • Days Sales of Inventory (DSI)
  • Working Capital Analysis
Average Inventory Calculator