Inventory change definition — AccountingTools (2024)

What is an Inventory Change?

Inventory change is the difference between the inventory totals for the last reporting period and the current reporting period. The concept is used in calculating the cost of goods sold, and in the materials management department as the starting point for reviewing how well inventory is being managed. It is also used in budgeting to estimate future cash requirements. If a business only issues financial statements on an annual basis, then the calculation of the inventory change will span a one-year time period. More commonly, the inventory change is calculated over only one month or a quarter, which is indicative of the more normal frequency with which financial statements are issued.

Example of Inventory Change

For example, if the ending inventory at the end of February was $400,000 and the ending inventory at the end of March was $500,000, then the inventory change was +$100,000.

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Where the Inventory Change Concept Applies

The inventory change calculation is applicable to the areas noted below.

Inventory Change in Accounting

Inventory change is part of the formula used to calculate the cost of goods sold for a reporting period. The full formula is: Beginning inventory + Purchases - Ending inventory = Cost of goods sold. The inventory change figure can be substituted into this formula, so that the replacement formula is: Purchases + Inventory decrease - Inventory increase = Cost of goods sold. Thus, it can be used to slightly compress the calculation of the cost of goods sold.

Inventory Change in Inventory Management

The materials management staff uses the inventory change concept to determine how its purchasing and materials usage policies have altered the company's net investment in inventory. They typically drill down from the inventory change figure and review changes for each type of inventory (e.g., raw materials, work in process, and finished goods), and then drill down further to see where changes arose at the level of each stock keeping unit. The result of this analysis may include changes in ordering policies, the correction of faulty bills of material, and alterations to the production schedule.

Inventory Change in Budgeting

The budgeting staff estimates the inventory change in each future period. Doing so impacts the amount of cash needed in each of these periods, since a reduction in inventory generates cash for other purposes, while an increase in inventory will require the use of cash.

Inventory Change in Working Capital Analysis

The concept is also used in a general sense to keep track of the overall investment in inventory, which management may monitor to see if working capital levels are increasing at too rapid a pace.

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Inventory change definition —  AccountingTools (2024)

FAQs

Inventory change definition — AccountingTools? ›

Inventory change is the difference between the inventory totals for the last reporting period and the current reporting period. The concept is used in calculating the cost of goods sold, and in the materials management department as the starting point for reviewing how well inventory is being managed.

What is the definition of change in inventory? ›

Changes in inventories (or stocks) are defined as the difference between additions to and withdrawals from inventories.

What is the inventory change in P&L? ›

Inventory change is the difference between the amount of last period's ending inventory and the amount of the current period's ending inventory. Under the periodic inventory system, there may also be an income statement account with the title Inventory Change or with the title (Increase) Decrease in Inventory.

What are the changes in inventories refer to? ›

Concept. 10.110 Changes in inventories are measured by the value of the entries into inventories less the value of withdrawals and less the value of any recurrent losses of goods held in inventories during the accounting period.

How to calculate inventory change? ›

The formula for inventory change is: Inventory change = Ending inventory - Beginning inventory For example, if your inventory value was $10,000 at the beginning of the year and $12,000 at the end of the year, your inventory change is: Inventory change = $12,000 - $10,000 = $2,000 This means you have increased your ...

What is the change in accounting for inventory? ›

Inventory Change in Accounting

The full formula is: Beginning inventory + Purchases - Ending inventory = Cost of goods sold. The inventory change figure can be substituted into this formula, so that the replacement formula is: Purchases + Inventory decrease - Inventory increase = Cost of goods sold.

What is changes in inventory in cogs? ›

COGS = Starting Inventory + Purchases – Ending Inventory

Change in inventory formula allows real-time recording, preventing errors, enhancing efficiency, and improving supply chain management.

What is an inventory adjustment in profit and loss statement? ›

Inventory adjustment is the process of reconciling the physical inventory count with the perpetual inventory records. This may involve increasing or decreasing the inventory levels in the system to match the actual number of items on hand.

Should inventory adjustments go to COGS? ›

Inventory has lost value

Generally you will see the adjustment/write-down either in COGS, if relatively small, or as an income statement operating expense if larger.

Does change in inventory go on income statement? ›

Inventory is an asset and its ending balance is reported in the current asset section of a company's balance sheet. Inventory is not an income statement account. However, the change in inventory is a component in the calculation of the Cost of Goods Sold, which is often presented on a company's income statement.

Why is change in inventory an expense? ›

Inventory becomes an expense when the product is sold. As soon as a customer gives you money in exchange for that item, it moves from the category of an “asset” to become an “expense” on your income statement. Up until that point, it is something the business owns.

What does change in business inventories mean? ›

Change in private inventories (CIPI), or inventory investment, is a measure of the value of the change in the physical volume of the inventories—additions less withdrawals—that businesses maintain to support their production and distribution activities.

Is change in inventory a flow concept? ›

Change in inventory is a flow variable.

What is change in inventory in P&L? ›

Change in inventory means difference between total of opening and closing inventories. Opening inventories and closing include all raw material, work-in-progress and finished goods of inventory.

What is the meaning of changes in inventory? ›

It's a measure of how much the inventory has increased or decreased over a specified time frame. Inventory changes can occur due to: Sales: When a company sells its products, it will reduce the inventory. Purchases: When a company buys more products for its inventory, it will increase the inventory.

What is change in inventory in cash flow statement? ›

An increase in inventory signals that a company spent more money on raw materials. Using cash means the increase in the inventory's value is deducted from net earnings. A decrease in inventory would be added to net earnings.

Is a change in inventory positive or negative? ›

To recap, an increase in inventory results in a negative amount being reported on the SCF. (A decrease in inventory would be reported as a positive amount, since reducing inventory has a positive effect on the company's cash balance.)

What is the change in inventory on the income statement? ›

The change in inventory is used to adjust the amount of purchases in order to report the cost of the goods that were actually sold. If some of the purchases were added to inventory, they are not part of the cost of goods sold.

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