If you’re filing federal taxes for the first time, here is how to file your first tax return in plain terms: gather the income documents your employer and any clients sent you, choose a free filing option that fits your income, complete Form 1040 using the standard deduction, and submit it electronically by April 15. For the 2025 tax year (the return you file in spring 2026), a single filer under 65 generally must file if gross income reaches $15,750, though filing below that threshold is often worth doing to recover taxes your employer already withheld.1Internal Revenue Service. Check if You Need to File a Tax Return
The federal income tax works on a pay-as-you-go basis. Your employer withholds money from each paycheck throughout the year, and your return is where you reconcile whether that withholding covered what you actually owe.2Internal Revenue Service. Pay As You Go, So You Won’t Owe If more was withheld than you owe, you get a refund. If less, you owe the difference.
Are You Required to File?
Whether you must file depends on how much you earned, how you earned it, and whether someone else claims you as a dependent. A single person under 65 who is not a dependent generally must file a 2025 return if gross income reaches $15,750. Self-employment changes this: if your net self-employment earnings hit $400 or more, you must file no matter what your total income is.1Internal Revenue Service. Check if You Need to File a Tax Return
If a parent or someone else claims you as a dependent, the rules are tighter. For a single dependent under 65 filing for 2025, you generally must file if any of these apply:3Internal Revenue Service. Publication 501 – Dependents, Standard Deduction, and Filing Information
- Unearned income (interest, dividends, investment gains) over $1,350
- Earned income (wages, salary, tips) over $15,750
- Gross income exceeding the larger of $1,350 or your earned income (up to $15,300) plus $450
File Anyway If You Had Withholding
This is the piece first-time filers most often miss. Even if your income is below the filing threshold, filing is the only way to get back federal tax your employer withheld from your paychecks. The IRS itself encourages people to file in that situation.4Internal Revenue Service. Filing a Federal Tax Return Even If It’s Not Required Could Put Money in Taxpayers’ Pockets
Say you earned $5,000 at a part-time job and $400 was withheld across the year. You owe no tax at that income level, but without a return, that $400 stays with the IRS. You may also qualify for refundable credits like the Earned Income Tax Credit, which can pay out even when your tax liability is zero.
Gather Your Documents First
Pulling paperwork together before you start saves time and prevents the kind of mistake that generates an IRS notice months later. You’ll need your Social Security number (or ITIN), and the same for anyone you’re claiming.
Your employer must send you Form W-2 by late January, showing your wages and the federal, state, and Social Security taxes withheld.5Internal Revenue Service. About Form W-2, Wage and Tax Statement If you did freelance or contract work, whoever paid you sends Form 1099-NEC for nonemployee compensation of $600 or more.6Internal Revenue Service. About Form 1099-NEC, Nonemployee Compensation Your bank sends Form 1099-INT if it paid you at least $10 in interest during the year.7Internal Revenue Service. About Form 1099-INT, Interest Income
You must report all income, including money from clients who weren’t required to send a 1099. The IRS receives copies of every W-2 and 1099 issued in your name, and its systems flag mismatches automatically.
For a direct-deposited refund, have your bank’s routing number and your account number ready. Direct deposit is much faster than a mailed check.
Working Through Form 1040
Individual taxpayers file Form 1040. The form walks you through reporting income, subtracting a deduction, and calculating what you owe or what’s coming back.8Internal Revenue Service. About Form 1040, U.S. Individual Income Tax Return Your filing status comes first because it sets the standard deduction, which is a flat amount the IRS lets you subtract from gross income before calculating tax. For the 2025 tax year:9Internal Revenue Service. Standard Deduction
- Single or married filing separately: $15,750
- Married filing jointly: $31,500
- Head of household: $23,625
Most first-time filers take the standard deduction rather than itemizing, because they don’t have enough mortgage interest, charitable donations, or other deductible expenses to beat the flat number. Subtract the deduction from gross income and you have your taxable income, which is what the IRS actually applies tax rates to. Earn $22,000 as a single filer, and your taxable income is $6,250.
After the tax on that amount is calculated, credits come off the top. Credits reduce your bill dollar for dollar, and refundable credits can produce a refund even if you owe nothing.
Credits That Often Apply to First-Time Filers
The Earned Income Tax Credit is one of the largest refundable credits, designed for low- and moderate-income workers. Many young filers with modest wages qualify without realizing it.10Internal Revenue Service. Publication 596 – Earned Income Credit
If you’re in college, the American Opportunity Tax Credit offers up to $2,500 per year for the first four years of postsecondary education. Forty percent of it (up to $1,000) is refundable. You must be enrolled at least half-time in a degree program, and income limits apply.11Internal Revenue Service. Education Credits – AOTC and LLC If you’re paying interest on student loans, you can deduct up to $2,500 in interest even if you’re using the standard deduction.12Internal Revenue Service. Topic No. 456, Student Loan Interest Deduction
How to File for Free
Almost no first-time filer needs to pay for tax preparation. Several free options exist.
If your adjusted gross income is $89,000 or less, IRS Free File gives you access to brand-name tax software at no charge. Start at the IRS website rather than going directly to a software company, or you may land on the paid version.13Internal Revenue Service. File Your Taxes for Free
The Volunteer Income Tax Assistance program offers free in-person help from IRS-certified volunteers at community centers, libraries, and schools if you earn $69,000 or less, have a disability, or have limited English proficiency. Tax Counseling for the Elderly serves taxpayers 60 and older. Both prepare and e-file your return at no cost.14Internal Revenue Service. Free Tax Return Preparation for Qualifying Taxpayers For a nervous first-timer, sitting with a VITA volunteer removes most of the guesswork.
Paid software runs roughly $30 to $150 for a basic federal return, and hiring a preparer generally costs $100 to $800. For a straightforward return with one W-2 and the standard deduction, paying is usually unnecessary.
Submitting Your Return
The 2025 tax year deadline is April 15, 2026.15Internal Revenue Service. When to File E-filing is faster and more accurate than paper. Any of the free or paid software options transmits your return electronically, and you’ll get confirmation within 24 to 48 hours. You sign with a self-selected PIN instead of a physical signature.
Paper filing still works. Print Form 1040 with any schedules, sign in ink, and mail the package to the IRS service center for your state. Certified mail gives you proof of the mailing date if you’re close to the deadline.
If you need more time, filing Form 4868 by April 15 gives you an automatic six-month extension to October 15.16Internal Revenue Service. Application for Automatic Extension of Time to File The catch: it extends time to file, not time to pay. If you owe, interest and penalties start on April 16 regardless. Estimate what you owe and send a payment with the extension.
Ignoring a filing requirement carries a failure-to-file penalty of 5% of unpaid tax per month, up to 25%.17Internal Revenue Service. Failure to File Penalty
If Your Return Shows a Balance Due
Payment is due by April 15 even if you file an extension. IRS Direct Pay moves money from a checking or savings account for free. You can also pay by debit card, credit card (with a processing fee), or check mailed with your return.18Internal Revenue Service. Pay Taxes on Time
Late payment triggers a penalty of 0.5% of the unpaid balance per month, capped at 25%.19Internal Revenue Service. Failure to Pay Penalty Filing on time with a partial payment beats not filing.
Can’t pay in full? The IRS offers online payment plans. A short-term plan gives you up to 180 days to pay off a balance under $100,000. A long-term installment agreement lets you make monthly payments on a balance of $50,000 or less in combined tax, penalties, and interest.20Internal Revenue Service. Online Payment Agreement Application
Tracking Your Refund
Most e-filed refunds arrive within three weeks. Paper returns take six weeks or longer.21Internal Revenue Service. Refunds Check the status with the IRS “Where’s My Refund?” tool on the IRS website or the IRS2Go app, using your Social Security number, filing status, and the exact refund amount from your return.22Internal Revenue Service. This Online Tool Helps Taxpayers Track Their Refund
The tool updates once a day, usually overnight. If the IRS needs more information, it writes to you. The agency does not call, text, or email you out of the blue. Any unsolicited contact of that kind claiming to be the IRS is a scam.
After You File
Keep a copy of the filed return and supporting documents for at least three years from the filing date.23Internal Revenue Service. How Long Should I Keep Records?
If you later realize you forgot income, missed a credit, or entered a wrong number, file Form 1040-X to amend. You generally have three years from the original filing date, or two years from the date you paid the tax, whichever is later, to amend and claim a refund.24Internal Revenue Service. Instructions for Form 1040-X Math errors or missing forms usually don’t require an amendment; the IRS often fixes those automatically and sends a letter.
First-time filers are more vulnerable to tax identity theft because there’s no filing history to compare against. Any taxpayer with a Social Security number can request an Identity Protection PIN, a six-digit number the IRS assigns each year that must appear on your return for it to be accepted. Sign up through an IRS online account.25Internal Revenue Service. Get an Identity Protection PIN (IP PIN)
State Taxes Are Separate
A federal return is only half the picture if you live in a state with an income tax. Nine states — Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming — don’t levy a broad-based income tax. The other 41 states and D.C. do, each with its own thresholds, rates, and deadlines, though many align with April 15. Most tax software handles federal and state returns at the same time, and many states run their own free e-filing portals.
If Your Income Was Freelance or Gig Work
If your first filing includes freelance or gig work instead of, or in addition to, a W-2 job, you may need to make quarterly estimated tax payments going forward. Self-employed workers send the IRS payments four times a year rather than having tax withheld. For the 2026 tax year, the due dates are April 15, 2026, June 15, 2026, September 15, 2026, and January 15, 2027.26Internal Revenue Service. Estimated Tax Missing them can result in an underpayment penalty at year-end.27Internal Revenue Service. Topic No. 306, Penalty for Underpayment of Estimated Tax If your side income is small and you have a W-2 job, adjusting your W-4 to withhold a bit extra at work often covers the tax on your freelance earnings without needing quarterly filings.