Profit and loss statement

A profit and loss statement is a financial report summarizing a business’s recognized income and expenses for a stated period, showing the resulting profit or loss. Also called a P&L or income statement, it commonly covers a month, quarter or year rather than a single date.

How the Profit Calculation Works

A typical multi-step profit and loss statement begins with revenue recognized from sales of goods or services. Revenue is not profit: it measures income from those activities before associated costs are deducted. Net sales reflect deductions such as returns and discounts, so they are not interchangeable with gross sales.

Subtracting cost of sales from revenue produces gross profit. Cost of sales covers costs attributable to the goods or services sold; for goods businesses, it is often called cost of goods sold (COGS). It can include purchased goods, production labor and allocated production overhead, not just raw materials and direct labor.

Operating expenses cover costs of running the business that are not included in cost of sales, such as selling and administrative expenses. Classification depends on function: salaries and rent are not automatically operating expenses because some may relate to production. Subtracting operating expenses from gross profit gives operating profit. Adding other income and gains, then deducting other expenses and applicable income taxes, produces net income or loss. Presentation and subtotals vary, but gross profit is an intermediate result, not the final amount earned after all recognized expenses.

Why Profit Is Not Cash

The profit and loss statement does not necessarily show how much cash a business generated. Under accrual accounting, income and expenses are recognized according to the underlying activity, independently of when payment occurs. Revenue from a credit sale can therefore be recognized before the customer pays, while an expense can be recognized before its bill is settled.

Noncash expenses also affect the result. Depreciation, for example, allocates an asset’s cost over its useful life and reduces profit without an equivalent cash payment in that period. A profitable business can consequently have limited cash available to meet upcoming payments.

Under the cash method, income and expenses are generally recorded when cash is received or paid. This can simplify recording, but payment timing can make one period look stronger or weaker without an equivalent change in the underlying activity. Check the accounting basis before comparing statements; a cash-basis result and an accrual-basis result need not describe the same timing of income and expenses.

Reading Changes in Profitability

Reading a profit and loss statement across comparable periods helps explain whether changes in revenue, cost of sales or operating expenses drove a change in earnings. Rising revenue does not necessarily mean rising profit if costs increase faster. Likewise, an increase in net income may reflect a one-off gain rather than stronger operating performance.

Useful comparisons account for reporting-period length, seasonality and changes in accounting policies or cost classification. Gross profit margin—gross profit divided by revenue—can help show whether cost of sales is consuming a larger share of revenue. Operating expense trends can highlight spending changes worth investigating, but the figures alone do not establish whether a cost is unnecessary. Historical results inform planning; they do not guarantee future success.

Accounting software can calculate subtotals and organize transactions into a profit and loss statement. A template can provide a consistent structure when preparing it manually. Neither replaces checking the reporting period, accounting basis, completeness of records and classification of costs; incorrect inputs can produce a neatly formatted but misleading result.

P&L and Other Financial Statements

A profit and loss statement answers a different question from the balance sheet and cash flow statement. Their main distinctions are:

• Timing: The P&L and cash flow statement cover activity during a reporting period. The balance sheet presents financial position at a specific date.
• Contents: The P&L reports income and expenses, while the balance sheet reports assets, liabilities and equity. The cash flow statement records cash movements across operating, investing and financing activities.
• Interpretation: The P&L helps assess profitability, while the other statements provide evidence about resources, obligations and cash availability. Profit alone does not establish liquidity—the ability to meet near-term payments—or solvency, the ability to meet obligations over time.