A net loss is the negative bottom line of the income statement for a period: the result when a business’s total expenses and losses exceed its total revenues, gains and other income. It is the same last line as net income carrying a minus sign, not a separate line item.
The Arithmetic Is the Same Last Line
A net loss runs down exactly the subtraction chain that produces net income and finishes below zero, and the order of that chain is set out in net income. That order is stated most explicitly in a securities rule rather than an accounting one, and the rule treats the two outcomes as one line rather than two: caption 18 of the statement of comprehensive income is titled net income or loss (17 CFR 210.5-03). That rule sets the line items for statements filed with the SEC, so a firm that files nothing with the Commission is not preparing statements under it.
Say a firm’s books close a year on the amounts below, with no income tax expense recorded for the period, and subtracted amounts shown in parentheses.
Revenue 240,000
Cost of services (150,000)
Gross profit 90,000
Operating expenses (128,000)
Operating loss (38,000)
Interest expense (4,000)
Net loss (42,000)Only the last line is the net loss. The firm earned real revenue and produced a real gross profit, and a loss further down the statement does not change the revenue line above it, a point worked through in income vs revenue.
Where a Loss Period Surfaces in a Firm’s Work
Schedule M-1 opens the book-to-tax reconciliation at line 1 with net income (loss) per books, on the corporate return (IRS, Form 1120, Schedule M-1) and on the partnership return (IRS, Form 1065, Schedule M-1). A loss year gets no separate line there: the caption a profitable year uses already carries the word loss.
Which of those schedules carries the figure turns on size. A corporation with total assets of $10 million or more on the last day of the tax year files Schedule M-3 instead of Schedule M-1, and a corporation whose total receipts and year-end total assets are each less than $250,000 is not required to complete Schedules L, M-1 and M-2 if the Yes box at Schedule K, question 13, is checked (IRS, Instructions for Form 1120 (2025)).
Equity is where the year’s result lands. The corporate analysis of unappropriated retained earnings per books takes net income (loss) per books at Schedule M-2, line 2 (IRS, Form 1120, Schedule M-2), so a loss year runs through that analysis as a subtraction where a profitable year adds.
What a Net Loss Is Not
It Is Not a Net Operating Loss
A book net loss is a financial-reporting figure and a net operating loss is a tax-return figure computed under a different regime, so the two need not be the same amount. The statute defines a net operating loss as the excess of the deductions allowed by the chapter over the gross income, computed with the modifications the section then specifies (26 U.S.C. 172(c)). What that tax loss does in later years, and how it reaches the financial statements, is covered in deferred tax assets.
It Is Not a Section 1231 or Capital Loss
Both of those are netting rules for particular property rather than a bottom line for a period. Section 1231 nets a year’s gains and losses on business property, and where the gains do not exceed the losses the statute directs that they not be treated as gains and losses from sales or exchanges of capital assets (26 U.S.C. 1231(a)(2)), the netting worked through in section 1231. A capital loss is figured on the sale or exchange of a capital asset and carries its own limits on what can be deducted.
Common Questions
It describes one period and not the balance sheet, so a firm can report a net loss for a quarter and still end that quarter holding more assets than liabilities.
Not necessarily, and the book figure is not what decides it. Income tax follows the taxable income computed on the return, and that figure can land above zero in a year the books close below it, once the reconciling adjustments have run (IRS, Form 1120, Schedule M-1). Taxes that are not based on income, such as payroll and sales tax, do not turn on the bottom line at all.
They sit at different points on the same statement. A gross loss is gross profit below zero, where the cost of what was sold exceeds the revenue it was sold for. A net loss is the last line, after operating expenses, interest and income tax as well, so a firm can hold a healthy gross profit and still finish at a net loss, as the year above does on operating expenses and interest alone.
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