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

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