April 15 is Tax Day, the federal deadline for filing your individual income tax return and paying any balance you owe for the previous year.1GovInfo. 26 U.S.C. 6072 – Time for Filing Income Tax Returns The same date carries several other obligations that catch people off guard: your first estimated tax payment of the current year, and your last chance to make prior-year contributions to an IRA or HSA. Miss the date and two separate penalties can start stacking the very next day.
What’s Due on April 15
The main obligation is your federal income tax return on Form 1040. You report the previous year’s income, calculate what you owe, and either claim a refund or pay the balance.2Internal Revenue Service. Topic No. 301 – When, How and Where to File Any tax owed must be paid by April 15, even if you plan to request more time to file. The IRS treats filing and paying as two separate obligations, and missing either one triggers its own penalty.
Your First Estimated Tax Payment
If you’re self-employed, freelance, or earn income without withholding, April 15 is also the due date for your first quarterly estimated payment for the current year, made on Form 1040-ES. The remaining three payments follow on June 15, September 15, and January 15 of the following year.3Taxpayer Advocate Service. Making Estimated Tax Payments You generally need to make estimated payments if you expect to owe at least $1,000 after withholding and credits.4Internal Revenue Service. Form 1040-ES – Estimated Tax for Individuals
IRA Contributions
April 15 is your last chance to make IRA contributions that count toward the prior tax year. For 2026, the annual IRA contribution limit is $7,500, or $8,600 if you’re 50 or older.5Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500 The deadline applies to both Traditional and Roth IRAs.
HSA Contributions
The same window applies to Health Savings Accounts. You can make HSA contributions for the prior tax year through April 15 of the following year. For 2025 contributions due by April 15, 2026, the limits are $4,300 for self-only coverage and $8,550 for family coverage.6Internal Revenue Service. Publication 969 – Health Savings Accounts and Other Tax-Favored Health Plans Miss the date and those contribution slots are gone for good.
How to File and Pay
Taxpayers with adjusted gross income of $89,000 or less can use IRS Free File, which provides guided tax preparation software at no cost through eight partner companies.7Internal Revenue Service. 2026 Tax Filing Season Opens With Several Free Filing Options Available Above that income threshold, the IRS offers Free File Fillable Forms, which are electronic versions of the paper forms without the guided software.
For payment, IRS Direct Pay transfers funds directly from a bank account at no charge.8Internal Revenue Service. Direct Pay With Bank Account Credit and debit card payments go through third-party processors that charge convenience fees. Credit card fees run 1.75% to 1.85% of the payment amount; debit card fees are a flat $2.10 to $2.15 per transaction.9Internal Revenue Service. Pay Your Taxes by Debit or Credit Card or Digital Wallet On a $5,000 tax bill, the credit card fee alone runs about $90.
If you mail a paper return, the IRS treats it as filed on time as long as the envelope is properly addressed and postmarked by the due date.
Extending the Filing Deadline
Filing Form 4868 gives you an automatic six-month extension, pushing your filing deadline to October 15.10Internal Revenue Service. Get an Extension to File Your Tax Return You can submit it electronically or by mail. There’s also a shortcut: make an electronic tax payment, check the box indicating it’s for an extension, and the IRS processes the extension without a separate form.11Internal Revenue Service. Form 4868 – Application for Automatic Extension of Time To File U.S. Individual Income Tax Return
The catch that trips up most filers: an extension to file is not an extension to pay. Any tax owed is still due April 15. If you don’t pay by then, interest and penalties start accruing even though your filing deadline moved to October. Estimate what you owe, pay that amount by April 15, and reconcile when you file the completed return.2Internal Revenue Service. Topic No. 301 – When, How and Where to File
Military members serving in a combat zone receive a longer extension: the filing and payment deadlines are pushed to the end of their combat zone service plus 180 days, with no interest or penalties accruing during that period.12Internal Revenue Service. Extension of Deadlines – Combat Zone Service
What Happens If You Miss April 15
The IRS charges two separate penalties for missing Tax Day, and they can stack.
The failure-to-file penalty is the more expensive one: 5% of your unpaid tax for each month or partial month the return is late, up to a maximum of 25%. If you’re more than 60 days late, the minimum penalty is $525 or 100% of the tax owed, whichever is less.13Internal Revenue Service. Failure to File Penalty That floor means even a small balance can generate an outsized penalty if the return sits.
The failure-to-pay penalty is smaller but persistent: 0.5% of your unpaid tax per month, capped at 25%. If you set up an approved payment plan, the rate drops to 0.25% per month. If you ignore an IRS notice of intent to levy, it climbs to 1% per month.14Internal Revenue Service. Failure to Pay Penalty
Interest runs on top of both penalties. For the second quarter of 2026, starting April 1, the individual underpayment rate is 6% per year, compounded daily.15Internal Revenue Service. Internal Revenue Bulletin: 2026-8 Because the failure-to-file penalty is ten times the failure-to-pay rate, filing on time with a partial payment is far cheaper than doing nothing.
If You Can’t Pay in Full
File anyway. The IRS offers two main payment plan options for taxpayers who can’t cover the balance.
A short-term plan gives you up to 180 days to pay in full, with no setup fee if you apply online, and is available if you owe less than $100,000 in combined tax, penalties, and interest. A long-term installment agreement allows monthly payments if you owe $50,000 or less. Setup fees for long-term plans range from $22 for a direct debit agreement applied for online to $178 for a standard agreement applied for by phone or mail. Low-income taxpayers can have those fees waived or reimbursed.16Internal Revenue Service. Payment Plans; Installment Agreements Penalties and interest continue to accrue on both plans, but an active agreement generally stops the IRS from taking collection actions like wage garnishment or bank levies.
When April 15 Gets Pushed Back
If April 15 falls on a Saturday, Sunday, or legal holiday, the deadline shifts to the next business day.17Internal Revenue Service. When to File This happens more often than you’d expect. Emancipation Day, a legal holiday in Washington, D.C., is observed on or around April 16, and because the IRS is headquartered in D.C., that holiday can push the national deadline to April 17 or April 18 in years when the calendar aligns unfavorably. Patriots’ Day in Massachusetts and Maine, the third Monday of April, can further complicate the date for taxpayers in those states.
In 2026, April 15 lands on a Wednesday with no conflicting holidays, so the deadline holds.17Internal Revenue Service. When to File
State Tax Deadlines
Most states with an income tax follow the federal April 15 deadline for their own returns. Seven states don’t impose a personal income tax at all, and a handful of others set later dates. Some states automatically honor a federal extension; others require a separate state extension form. Check your state’s tax agency for the rules that apply to you.