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Fixed Cost

A fixed cost is a business expense that stays the same in total over a given period regardless of how much a company produces or sells within a normal range of activity.

What Is a Fixed Cost?

A fixed cost is an expense that does not change with the level of output or sales over a set period, at least within the company's current operating range. Rent on a factory, a annual insurance premium, a salaried manager's pay, and the depreciation on equipment are common examples. The company must pay these costs whether it sells a lot of goods, a few goods, or nothing at all.

Fixed costs are contrasted with variable costs, which rise and fall in step with production volume. Materials and hourly labor tied directly to output are typical variable costs. Many businesses have both types, and the mix shapes how sensitive their profits are to changes in sales.

How Fixed Costs Work

Because a fixed cost does not move with volume, its cost per unit falls as output rises. If a company pays $10,000 per month in rent and makes 1,000 units, the rent adds $10 to each unit. If it makes 5,000 units, the same rent adds only $2 to each unit. This pattern is one reason businesses seek higher volumes, since spreading fixed costs over more units can improve margins.

The total amount of fixed costs is only fixed over a relevant range. A company that doubles its production may need a larger facility or additional equipment, which pushes its fixed costs to a new, higher level.

Why Fixed Costs Matter to Investors

Fixed costs influence operating leverage. A company with high fixed costs and low variable costs tends to see its profits change by a larger percentage when sales change. This can magnify gains during strong periods and losses during weak ones. Analysts often examine the balance between fixed and variable costs when assessing how a business might respond to economic shifts.

The break-even point is calculated using fixed costs, the price per unit, and the variable cost per unit. It shows how many units must be sold to cover all costs.

Fixed costs are not always easy to separate from variable ones, and some expenses have both characteristics. Reviewing a company's income statement and its notes can help investors understand how costs are classified.

Updated October 16, 2026. For general education only; not financial, tax or legal advice.

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Related Terms

Variable Cost

A variable cost is a business expense that rises or falls in direct proportion to the quantity of goods or services a company produces or sells.

Operating Leverage

Operating leverage measures how much a company's operating income changes in response to a change in its sales, driven by the mix of fixed and variable costs in its cost structure.

Income Statement

An income statement is a financial report that summarizes a company's revenues, expenses, and resulting profit or loss over a specific period, such as a quarter or year.

Contribution Margin

Contribution margin is the portion of a sale's revenue left after subtracting variable costs, showing how much each sale contributes toward covering fixed costs and generating profit.

Cost of Goods Sold (COGS)

Cost of goods sold is the total direct cost a company incurs to produce or purchase the goods it sold during a period, such as materials, labor, and manufacturing overhead.

Operating Expense (OpEx)

An operating expense is a cost a business incurs through its normal day-to-day activities to keep running, such as rent, salaries, utilities, and marketing, but not the direct cost of making goods.

Depreciation

Depreciation is the accounting method of spreading the cost of a tangible, long-lived asset over the years it is expected to be used, recording a portion as an expense each year.