1040 Form

Complex

U.S. Individual Income Tax Return

Form 1040 is the main tax return form for individual taxpayers in the United States. It's used to report income, claim deductions and credits, and calculate your tax liability or refund.

April 15

Due Date

Individual Taxpayers

For

Annual

Frequency

If Income > Threshold

Required

Form 1040 Structure

Understanding the main sections of your tax return

Filing Information

Lines 1-16

Personal information, filing status, and dependents

Name and addressSSNFiling statusDependentsStandard/itemized deduction election

Income

Lines 1a-8z

All sources of income for the tax year

Wages (W-2)Interest and dividendsBusiness incomeCapital gainsOther income

Adjustments to Income

Lines 10a-10c

Above-the-line deductions that reduce AGI

IRA contributionsStudent loan interestHealth savings accountEducator expenses

Tax and Credits

Lines 11a-19

Tax calculation and applicable credits

Taxable incomeTax calculationChild tax creditEducation creditsOther credits

Payments

Lines 25a-25d

Taxes paid and withheld during the year

Federal withholdingEstimated paymentsRefundable creditsPrior year overpayment

Refund or Amount Owed

Lines 34-37

Final calculation of refund or balance due

Overpayment/refundAmount owedPenalties and interestPayment options

Filing Requirement

You must file Form 1040 if your gross income exceeds certain thresholds based on your filing status and age. For 2024, single filers under 65 must file if income exceeds $13,850.

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