Cost of Goods Sold Calculator

Understanding Cost of Goods Sold (COGS)

Cost of Goods Sold (COGS) represents the direct costs attributable to the production or acquisition of goods sold by a business during a specific accounting period. COGS includes expenses such as raw materials, direct labor, and manufacturing overhead, but excludes indirect operational expenses such as distribution costs, sales team commissions, and administrative overhead.

Basic COGS Formula

The standard accounting formula for Cost of Goods Sold calculates the net change between starting inventory, additions, and ending inventory:

$$\text{COGS} = \text{Beginning Inventory} + \text{Purchases \& Direct Costs} - \text{Ending Inventory}$$

Extended COGS Breakdown for Manufacturers

For manufacturing companies, direct costs are expanded to include direct labor and factory overhead:

$$\text{Total Goods Available for Sale} = \text{Beginning Inv.} + \text{Materials} + \text{Direct Labor} + \text{Overhead}$$

$$\text{COGS} = \text{Total Goods Available for Sale} - \text{Ending Inventory}$$

Gross Profit & Inventory Turnover Metrics

Once COGS is determined, it feeds into key profitability and efficiency metrics:

• Gross Profit: $\text{Revenue} - \text{COGS}$
• Gross Profit Margin: $\left( \frac{\text{Gross Profit}}{\text{Revenue}} \right) \times 100\%$
• Inventory Turnover Ratio: $\frac{\text{COGS}}{\text{Average Inventory}}$ where $\text{Average Inventory} = \frac{\text{Beginning Inv.} + \text{Ending Inv.}}{2}$