Gross income on a paycheck, a tax return and a loan application
Gross income is the top line: everything that comes in before anyone takes a cut. What belongs on that line depends on who is asking.
On a paycheck, gross pay is salary or hourly wages plus overtime, bonuses and commissions, before income tax withholding, Social Security and Medicare tax, retirement contributions and benefit premiums come out. What reaches your bank account is net pay.
On a federal tax return, gross income is a legal term. Section 61 of the tax code defines it as “all income from whatever source derived” and lists examples: compensation, business income, gains, interest, rents, royalties, dividends, annuities, pensions, forgiven debt and more. Income counts whether it arrives as money, goods, property or services, so bartered work is income at its fair market value. For a business, gross income is receipts minus the cost of goods sold, before other expenses.
On a loan application, lenders generally want gross monthly income: pay before taxes and other deductions, divided by 12. It is the figure your debt-to-income ratio is measured against.
What counts, and what doesn’t, on your tax return
The tax definition starts from everything and works down. Any income is included unless a specific provision of the tax code excludes it, so the useful question is not “is this income?” but “is there an exclusion?”
Excluded items are non-taxable income: gifts and inheritances, interest on most state and local bonds, life insurance paid because of a death, qualified Roth IRA withdrawals and, under the home sale exclusion, up to $250,000 of gain on a main home ($500,000 for most married couples filing jointly). Whatever a gift or inheritance later earns is taxable.
Other items are only partly included. Depending on your other income, none, up to 50% or up to 85% of Social Security benefits count, a test built on provisional income. Pension and IRA payouts count except for any after-tax money you put in.
Workplace saving adds one more wrinkle. Pre-tax 401(k) deferrals and health premiums paid through a cafeteria plan are left out of the wages in box 1 of your W-2, so they never enter gross income that year. The 401(k) deferrals are still wages for Social Security and Medicare tax, and Roth 401(k) deferrals stay in box 1.
Gross income vs. net income
Net income is what remains after taxes and deductions: take-home pay for a household, profit after every expense for a business. The gap can be wide. Federal and state income tax, 7.65% of most wages for Social Security and Medicare, retirement deferrals and benefit premiums all come out of gross pay before you see it.
Each figure has a job. Budgets work best from net income, because that is the money you can actually spend or save. Salary comparisons, raises, lender ratios and many savings rate calculations use gross pay, so that pre-tax 401(k) deferrals count as saving. Gross pay still understates what a job is worth, because it leaves out the employer’s 401(k) match, health coverage and stock awards that total compensation adds in.
How gross income leads to AGI and taxable income
Gross income is the first step in a funnel, and each step feeds different rules. Form 1040 totals your income, subtracts adjustments such as deductible IRA and HSA contributions to reach adjusted gross income (AGI), then subtracts the standard or itemized deduction and a few others to reach taxable income, the figure the brackets apply to. Many benefit and eligibility tests use a fourth figure, modified AGI, which adds certain excluded items back.
Gross income itself does two jobs at the top of the funnel. It decides whether you must file a return at all, at thresholds set by filing status and age that track the standard deduction. It also decides who can be claimed as a dependent: a qualifying relative must have less than $5,300 of gross income in 2026. Non-taxable income, such as a qualified Roth withdrawal or a gift, counts toward neither test.
Common mistakes with gross income
Most errors come from mixing up the paycheck, tax and lending meanings of gross income, or from assuming that money no one reported on a form isn’t income. Side income is the classic case: freelance, gig and bartered income is gross income whether or not a 1099 arrives, and net self-employment earnings of $400 or more also owe self-employment tax. The duty to report covers all income, not only the income that shows up on a form.
- Budgeting from gross pay: build spending plans from take-home pay and treat pre-tax saving as money already spent.
- Leaving excluded income off the return: municipal bond interest is excluded but still reported, and it counts in some income tests.
- Double-counting 401(k) deferrals: box 1 wages already exclude them, so don’t subtract them again.
- Assuming all Social Security is taxable, or that none of it is: the share depends on your other income.
Illustrative numbers
One worker, three gross income figures (2026)
- Income received
- Wages, business receipts less cost of goods sold, interest, dividends, rents, gains, pensions and other income
- Income exempt from tax
- Items a specific law excludes, such as gifts, inheritances, municipal bond interest and qualified Roth withdrawals
On a paycheck the idea is simpler: gross pay is your pay before any taxes or deductions are withheld.
Salary: gross pay on the offer letter$85,000
Pre-tax 401(k) deferral $8,000 + cafeteria-plan health premiums $3,000−$11,000
W-2 box 1 wages$74,000
Bank interest and dividends+$2,000
Municipal bond interest and a $10,000 gift from parentsExcluded
Gross income on the federal return$76,000
Gross monthly income a lender uses ($85,000 ÷ 12)$7,083
The same person has $85,000 of gross pay, $76,000 of gross income for federal income tax and about $7,083 of gross monthly income on a mortgage application. Each is correct for its own purpose, so check which one a form or rule asks for.
At a glance
What is and isn’t gross income for federal income tax
| Item | In gross income? | Note |
|---|---|---|
| Wages, salary, bonuses and tips | Yes | Box 1 excludes pre-tax 401(k) deferrals; Roth deferrals stay in |
| Self-employment and business income | Yes | Receipts minus cost of goods sold |
| Interest and dividends | Yes | Qualified dividends get lower rates but still count |
| Capital gains | Yes | Part of a main-home gain may be excluded |
| Traditional IRA, 401(k) and pension payouts | Yes | Minus any after-tax money you put in |
| Social Security benefits | Partly | None, up to 50% or up to 85%, depending on other income |
| Municipal bond interest | No | Still reported on Form 1040 |
| Gifts and inheritances | No | What they later earn is taxable |
| Life insurance death benefit | No | When paid as a lump sum |
| Qualified Roth IRA withdrawals | No | Earnings come out tax-free too, once qualified |
Put it in your plan
Gross income in MoneyWhatIf
MoneyWhatIf’s Taxes page shows how a year’s income becomes a tax bill and take-home pay. Its “How the year is worked out” worksheet walks from cash income, less pre-tax contributions and untaxed income, plus pre-tax withdrawals, to taxable income, each tax and take-home, and a payroll table prices the Social Security and Medicare tax on wages. A rental property is entered as gross annual rent; the model subtracts deductible costs and depreciation to find taxable rental profit and keeps that separate from the cash the property leaves the household.
Common questions
Gross income FAQs
Is gross income before or after taxes?
Before. Gross income is measured before income tax, Social Security and Medicare tax, and any other deduction comes out; what is left after them is net pay. The twist is on a tax return, where some items never enter gross income at all, such as pre-tax 401(k) deferrals and tax-exempt interest, so the gross income you report can be lower than your gross pay.
How do you calculate gross income from an hourly wage?
Multiply your hourly rate by the hours you work in a typical week, then by 52 weeks, and add expected overtime, bonuses and commissions. At $25 an hour and 40 hours a week, gross pay is $25 × 40 × 52 = $52,000 a year, or about $4,333 a month. On a salary, gross pay per paycheck is the annual amount divided by the number of pay periods: 26 if you are paid every two weeks, 24 if paid twice a month.
Do 401(k) contributions count as gross income?
They count in gross pay, but not in gross income for federal income tax in the year you contribute. Pre-tax deferrals, up to $24,500 in 2026 plus any catch-up, are excluded from W-2 box 1 wages and taxed later when you withdraw them. They are still wages for Social Security and Medicare tax. Roth 401(k) deferrals are different: they stay in box 1 and are taxed now.
What gross monthly income do lenders use?
Lenders generally use pay before taxes and other deductions, expressed per month, so a $90,000 salary is $7,500 a month. Your debt-to-income ratio is your monthly debt payments divided by that figure: $2,000 of payments against $6,000 of gross monthly income is 33%. Acceptable ratios vary by lender and loan type.
How much gross income do you need before you must file a tax return?
For 2025 returns, filed in 2026, a single filer under 65 generally had to file with gross income of $15,750 or more, or $17,750 at 65 or older, and a married couple filing jointly at $31,500 if both were under 65. Those amounts track the standard deduction. Dependents follow separate rules, and anyone with $400 or more of net self-employment earnings owes self-employment tax and must file to pay it.