Operating Expense (OpEx)

Accounting

An operating expense is a day-to-day cost of running a business, such as rent, salaries and utilities, deducted in full in the period it is incurred.

Operating expenses are the ongoing costs of keeping the business running, rent, wages, utilities, insurance, marketing, office supplies, that are consumed within the period and deducted in full immediately, unlike capital expenditures that are spread over years.

On the income statement, operating expenses are subtracted from gross profit to reach operating profit. Controlling OpEx is central to profitability, and distinguishing a true operating expense from a capital cost determines whether you deduct it now or over time.

Example

A company's monthly rent, staff wages and hydro bills are operating expenses, deducted in full each period. A new $20,000 server, by contrast, is capital expenditure deducted gradually.

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Operating Expense (OpEx) Frequently Asked Questions

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Generally yes, in the period incurred, provided they are reasonable and for earning business income. Some, like meals at 50%, have specific limits.
Operating expenses are day-to-day costs deducted immediately; capital expenditures buy long-lived assets and are deducted over years through depreciation or CCA.
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