For households and individuals, gross income is the sum of all wages, salaries, profits, interest payments, rents, and other forms of earnings, before any deductions or taxes. It is opposed to net income, defined as the gross income minus taxes and other deductions (e.g., mandatory pension contributions).
For a business, gross income (also gross profit, sales profit, or credit sales) is the difference between revenue and the cost of making a product or providing a service, before deducting overheads, payroll, taxation, and interest payments. This is different from operating profit (earnings before interest and taxes).[1] Gross margin is often used interchangeably with gross profit, but the terms are different. When speaking about a monetary amount, it is technically correct to use the term "gross profit", but when referring to a percentage or ratio, it is correct to use "gross margin".
Relationship with other accounting terms
The various deductions (and their corresponding metrics) leading from net sales to net income are as follows:
- Net sales = gross sales – (customer discounts + returns + allowances)
- Gross profit = net sales – cost of goods sold
- Gross margin = [(net sales – cost of goods sold)/net sales] × 100%.
- Operating profit = gross profit – total operating expenses
- Net income (or net profit) = operating profit – taxes – interest
United States
Under United States income tax law, gross income serves as the starting point for determining Federal and state income tax of individuals, corporations, estates and trusts, whether resident or non-resident.[2]
Under the U.S. Internal Revenue Code, "Except as otherwise provided" by law, gross income means "all income from whatever source derived," and is not limited to cash received.[3] Federal tax regulations interpret this general rule. The amount of income recognized is generally the value received or the value which the taxpayer has a right to receive. Certain types of income are specifically excluded from gross income for tax purposes.
The time at which gross income becomes taxable is determined under Federal tax rules, which differ in some cases from financial accounting rules.
What is income?
Individuals, corporations, members of partnerships, estates, trusts, and their beneficiaries ("taxpayers") are subject to income tax in the United States. The amount on which tax is computed, taxable income, equals gross income less allowable tax deductions.
The Internal Revenue Code gives specific examples.
See also
- Adjusted gross income
- Effective gross income
- Fiscal illusion
- Gross profit
- Gross margin
- Net income
- Amount Realized
- Cost of goods sold (COGS)
- Earnings before interest, taxes, depreciation and amortization (EBITDA)
- Profit margin (the ratio of net income to net sales)
- Selling, general and administrative expenses (SG&A)
- Income statement
Further reading
Standard US tax texts:
US IRS materials:
Scholarly Writing:
- Willis, Eugene, Hoffman, William H. Jr., et al., South-Western Federal Taxation, published annually. 2009 edition (cited above as Willis|Hoffman 2009) included ISBN 978-0-324-66050-0 (student) and ISBN 978-0-324-66208-5 (instructor).
- Pratt, James W., Kulsrud, William N., et al., Federal Taxation, updated periodically. 2010 edition ISBN 978-1-4240-6986-6 (cited above as Pratt & Kulsrud).
- Publication 17, Your Federal Income Tax
References
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- Resident individuals and corporations are allowed tax deductions. Nonresident individuals and corporations are both allowed deductions from gross income.^
- See, e.g., 26 USC 83, regarding taxation of certain transfers of property in connection with the performance of services.^