Days In Inventory Calculator


A days in inventory calculator is an essential tool for businesses to determine the average number of days they hold inventory before selling it. This metric helps businesses manage their stock levels efficiently, optimize their supply chain, and improve cash flow. In this article, we will guide you through how to use the calculator, explain the formula, and provide examples for better understanding.

How to Use

Using the days in inventory calculator is straightforward. Input the necessary values into the provided fields and click the “Calculate” button to get the result. Here’s a step-by-step guide:

  1. Enter Cost of Goods Sold (COGS): This is the total cost of manufacturing the products sold within a specific period.
  2. Enter Average Inventory: This is the average value of the inventory held over the same period.
  3. Click Calculate: The calculator will use the inputs to compute the average days in inventory.


The formula to calculate days in inventory is:

This formula helps determine the efficiency of inventory management by calculating the average time inventory remains unsold.

Example Solve

Let’s solve an example to illustrate:

  • COGS: $500,000
  • Average Inventory: $50,000

Using the formula:

So, the average days in inventory is 36.5 days.


What is Days in Inventory?

Days in inventory is a metric that measures the average number of days a company takes to sell its inventory.

Why is Days in Inventory important?

It helps businesses understand their inventory management efficiency and optimize stock levels to improve cash flow.

How often should Days in Inventory be calculated?

It’s best to calculate this metric regularly, such as monthly or quarterly, to keep track of inventory performance.

Can the Days in Inventory be too low?

Yes, a very low days in inventory might indicate understocking, which can lead to missed sales opportunities.

What does a high Days in Inventory indicate?

A high value might indicate overstocking, which can tie up cash and increase holding costs.


Understanding and calculating days in inventory is crucial for effective inventory management. By using the days in inventory calculator, businesses can optimize their stock levels, reduce holding costs, and improve overall efficiency. Use the calculator regularly to monitor and adjust your inventory strategies for better financial health.

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *