Cost of Goods Sold (COGS): Calculation Methods, Formula, and How to Calculate with Example

If you operate a business, the cost of goods sold (COGS) is one of the most important financial indicators to monitor. It has a direct impact on your overall profitability, making it essential for every proprietor or manager to understand how COGS is calculated and how it influences business performance.

If you wish to gain a clearer understanding of the cost of goods sold and its effect on your enterprise, this guide explains what COGS comprises, how it is calculated, and how it can be applied to support more informed and effective business decisions.

Cost of Goods Sold (COGS) refers to the direct expenses involved in producing the goods or delivering the services a company sells. It reflects the cost required to bring an item to its saleable condition.

• These direct costs typically include raw materials, direct labour, and production-related overheads such as utilities or equipment depreciation.
• In India, COGS is calculated while preparing the Statement of Profit and Loss under the Companies Act, 2013, and is an essential component for tax reporting under the Income Tax Act, 1961. It is deducted from revenue from Operations to determine gross profit.

Importance of Cost of Goods Sold (COGS)

Cost of goods sold (COGS) is a key figure in financial statements, as it is deducted from a company’s revenue to calculate its gross profit. Gross profit is an indicator of profitability that measures how efficiently a business utilises its labour and materials in the production process.

As COGS represents a direct cost of carrying on business, it is recorded as an expense in the income statement. An understanding of COGS enables analysts, investors and managers to assess a company’s overall profitability. If COGS rises, net income will generally decline. Although a higher COGS may reduce taxable income, it also results in lower profits available to shareholders. For this reason, businesses typically seek to manage and control their COGS effectively in order to maintain stronger net profit margins.

Understanding which costs are included in COGS is essential for accurate calculation and for determining the true profitability of each product you sell. Typically, COGS comprises the following:

• Raw materials and components: These are the physical materials used to create the product. For retailers, this includes wholesale goods purchased for resale. For manufacturers or food businesses, it covers ingredients, parts, or any items that become part of the finished product.
• Direct labour costs: Direct labour refers to wages paid to employees who are directly involved in producing or preparing the product for sale. Examples include bakers, assembly-line staff, and production workers. It excludes general staff, administrative employees, or managers not directly involved in production.
• Packaging costs: Any packaging required to make the product sale-ready—such as boxes, bottles, labels, bags, or safety seals—is included in COGS.
• Freight and shipping for acquiring goods: Transportation costs for bringing materials or inventory to your business are included. For instance, delivery charges for raw materials from a supplier count towards COGS.
• Direct factory or production costs: Expenses that directly support production, such as equipment used exclusively for making the product, production-related utilities, or small tools consumed during manufacturing, are included.

These costs are included because they represent the true expense of getting each product into a sellable condition. Indirect costs—such as rent, administrative salaries, marketing, or general utilities—are excluded from COGS, as they support the business as a whole rather than a specific product.

What are the exclusions from cost of goods sold (COGS)?

Certain expenses are not included in COGS. These generally fall under selling, general, and administrative expenses (SG&A), such as:

• Distribution or delivery costs to customers
• Office rent and utilities
• Advertising and marketing expenses
• Accounting and legal fees
• Management and executive salaries

Additionally, non-operating costs—such as interest payments and capital expenditures—are excluded from COGS. The costs of any unsold inventory at the end of a period are also not included; instead, they are recorded as ending inventory on the balance sheet.

Certain businesses cannot claim a deduction for COGS due to the nature of their operations. These include:

• Service-oriented businesses: Companies that provide services instead of physical products, such as consulting firms
• Financial institutions: Banks and investment firms where direct production costs are not applicable
• Non-profits: Organisations not engaged in profit-making activities
• Educational institutions: Schools and universities where services are rendered rather than goods sold

• Government agencies: Public sector organisations focused on governance and public welfare

  
  

What are the limitations of COGS?

While COGS is a vital metric, it has certain limitations, particularly for small Indian businesses:

• Excludes indirect costs: COGS accounts only for direct production expenses and leaves out key overheads such as marketing, administrative salaries, rent, and head-office utilities, all of which influence overall profitability.
• Prone to manipulation: Businesses may overstate or understate inventory levels to alter COGS and gross profit for tax or reporting advantages.
• Complex inventory tracking: Accurate valuation requires detailed records, which can be difficult for MSMEs that rely on informal bookkeeping. Errors in inventory counts can lead to misleading COGS figures.
• Method-based variations: The chosen inventory valuation method (FIFO, WAC) can materially impact the COGS value and the profit reported.