Form 1040 (2024) Tax Year Checklist
Purpose
Form 1040 reports U.S. citizen and resident alien individual income, deductions, credits, and payments for the 2024 tax year (January 1–December 31, 2024). For 2024, the standard deduction amounts increased to $14,600 (single), $29,200 (married filing jointly), and $21,900 (head of household) due to annual inflation adjustment. All filers must answer the digital asset question at the top of the form.
Filing Steps
Step 1: Answer the Digital Asset Question
Check “Yes” or “No” at the top of Form 1040 to indicate whether you received, sold, exchanged, or disposed of any digital asset (including cryptocurrency) or financial interest in a digital asset during 2024. Your answer should reflect all transactions that occurred throughout the entire tax year, regardless of whether you experienced gains or losses. This question is mandatory for all filers.
Step 2: Report Wage Income and Supplemental Earned Income
Enter wages from all Form(s) W-2 in line 1a. Add supplemental earned income: household employee wages not reported on W-2 (line 1b), tip income (line 1c), Medicaid waiver payments (line 1d), dependent care benefits from Form 2441 line 26 (line 1e), adoption benefits from Form 8839 line 29 (line 1f), and unreported wages from Form 8919 line 6 (line 1g). Sum all wage components on line 1z.
Step 3: Report All Other Income
Report taxable interest (line 2b), dividends (line 3b), IRA distributions (line 4b), pensions and annuities (line 5b), Social Security benefits (line 6b), and capital gains or losses from Schedule D (line 7). Include additional income from Schedule 1 on line 8. Total all income on line 9, then subtract adjustments to income from Schedule 1 on line 10 to arrive at your adjusted gross income (AGI) on line 11.
Step 4: Determine Your Standard or Itemized Deduction
Enter your standard deduction or itemized deductions on line 12. For 2024, the standard deduction amounts are $14,600 (for single or married filing separately), $29,200 (for married filing jointly or a qualifying surviving spouse), and $21,900 (for head of household). If you or your spouse was born before January 2, 1960, or is blind, you qualify for an additional standard deduction amount. Use Schedule A if itemizing deductions.
Step 5: Calculate Your Qualified Business Income Deduction
If you have qualified business income from a trade or business, calculate your QBI deduction using Form 8995 or Form 8995-A. The QBI deduction is generally 20% of your qualified business income, limited to the lesser of 20% of QBI (plus 20% of qualified REIT dividends and PTP income) or 20% of taxable income before the QBI deduction minus net capital gain. Enter the results on line 13. Additional limitations may apply based on your income level and business type.
Step 6: Calculate Total Deductions and Taxable Income
Add line 12 (standard or itemized deduction) and line 13 (QBI deduction) to determine line 14 (total deductions). Subtract line 14 from line 11 (AGI) to calculate your taxable income on line 15. If the result is negative, enter zero. Your taxable income determines your tax bracket and affects the phase-out of credits.
Step 7: Determine Your Tax Liability
Calculate your tax using the Tax Tables, Tax Computation Worksheet, or Schedule D Tax Worksheet if you have qualified dividends or capital gains. Enter the tax on line 16. Check applicable boxes if any tax comes from Form 8814 (kiddie tax), Form 4972 (lump-sum distributions), or qualified dividends/capital gains. Add other taxes from Schedule 2, line 3, on line 17, then total your tax on line 18.
Step 8: Claim Nonrefundable Credits
Enter the child tax credit or credit for other dependents on line 19 using Schedule 8812. Enter other nonrefundable credits from Schedule 3, line 8, on line 20. Add lines 19 and 20 to get the total credits on line 21. Subtract line 21 from line 18 to determine line 22. If the result is zero or less, enter zero and proceed to line 23.
Step 9: Report Other Taxes Owed
If you owe additional taxes such as self-employment tax, household employment taxes, additional tax on IRAs or retirement plans, recapture taxes, or net investment income tax, report them on Schedule 2 and enter the total on line 23. Add lines 22 and 23 to determine your total tax on line 24.
Step 10: Report Federal Income Tax Withholding
Enter all federal income tax withheld on lines 25a through 25c. Include withholding from Form(s) W-2 (line 25a), Form(s) 1099 (line 25b), and other forms such as Form 1098-T, Form 2439, and Schedule K-1 (line 25c). Total all withholding amounts on line 25d.
Step 11: Report Estimated Tax Payments and Other Payments
Enter 2024 estimated tax payments and any overpayment applied from your 2023 return on line 26. Report earned income credit on line 27a using Schedule EIC if you have qualifying children. Include the additional child tax credit from Schedule 8812 on line 28, the American opportunity credit from Form 8863 on line 29, and other refundable credits from Schedule 3, line 15, on line 30. Add lines 25d through 30 to determine total payments on line 33.
Step 12: Calculate Refund or Amount Owed
If line 33 (total payments) is more than line 24 (total tax), subtract line 24 from line 33 to determine your refund on line 34. If you want your refund deposited directly, complete lines 35a through 35d with your bank account information. If line 24 is more than line 33, subtract line 33 from line 24 to determine the amount you owe on line 37. Pay by the April 15, 2025, deadline to avoid interest and penalties.
Step 13: Sign and Date Your Return
Both spouses must sign and date a joint return. If you paid someone to prepare your return, they must also sign in the designated area. Keep a copy of your signed return and all supporting documents for your records. File electronically for faster processing, or mail your return to the appropriate IRS address based on your state and whether you are enclosing a payment.
Important Reminders
Filing Deadline: File Form 1040 by April 15, 2025. If you need more time, file Form 4868 for an automatic 6-month extension, but remember that an extension to file is not an extension to pay. Interest and penalties apply to unpaid taxes after the original due date.
Age 65 Determination: You are considered age 65 at the end of 2024 if you were born before January 2, 1960. This qualifies you for an additional standard deduction of $1,950 (single or head of household) or $1,550 (married filing jointly or qualifying surviving spouse). You may also use Form 1040-SR if born before this date.
Premium Tax Credit Reconciliation: If you or a family member received advance payments of the premium tax credit for health insurance purchased through the Marketplace, you must file Form 1040 and attach Form 8962 to reconcile advance payments with your actual premium tax credit, even if you otherwise would not be required to file.
Digital Asset Reporting: All filers must answer the digital asset question. Answer “Yes” if you received digital assets as payment or reward, or if you sold, exchanged, or disposed of any digital asset. Answer “No” only if you solely purchased digital assets with U.S. dollars and held them without any other transactions.
Record Retention: Keep copies of your tax return and all supporting documents (W-2s, 1099s, receipts for deductions) for at least three years from the filing date. The IRS recommends keeping records longer if you file a claim for a loss from worthless securities or a bad debt deduction.
Special Considerations
Nonresident Aliens: If you are a nonresident alien or dual-status alien, you generally must file Form 1040-NR instead of Form 1040 unless you are married to a U.S. citizen or resident alien and elect to be treated as a resident alien for tax purposes.
Deceased Taxpayers: If a taxpayer died before filing a 2024 return, write “Deceased” and the date of death across the top of the return. The spouse or personal representative must sign the return. If filing a joint return and the spouse died in 2024, you may still file jointly for 2024.
Amended Returns: If you need to correct a return after filing, use Form 1040-X (Amended U.S. Individual Income Tax Return). You generally have three years from the original filing date or two years from the date you paid the tax (whichever is later) to file an amended return to claim a refund.
Form 1099-K Threshold: For 2024, payment processors will send Form 1099-K when business transactions exceed $5,000. This threshold will decrease to $2,500 for 2025 and $600 for 2026 and later years. All taxable income must be reported regardless of whether you receive a Form 1099-K.
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This checklist is for educational purposes only and does not constitute tax or legal advice. Always review official IRS instructions and consult a qualified professional for guidance.
