US Federal & State Tax Guides: Forms, Deadlines, and Filing Steps
Navigating the Internal Revenue Service (IRS) and state revenue departments requires understanding which forms apply to your exact filing status.
In the United States, federal income taxes must be filed each year by mid-April using Form 1040 and accompanying schedules. Whether you are filing as a W-2 employee, an independent contractor receiving Form 1099-NEC, or a small business reporting Schedule C profits, compliance is strictly enforced. Non-citizens without a Social Security number must secure an Individual Taxpayer Identification Number (ITIN) using Form W-7 to report earnings or claim refunds. Our step-by-step guides break down the entire process from gathering wage statements to calculating self-employment taxes, making estimated quarterly payments, and tracking refund status online.
All Taxes Guides (US)
11 guides
An ITIN lets you file US taxes even if you do not have a Social Security number. Many US banks also accept it to open an account. But not all banks do. An ITIN is for federal tax purposes only. It is not an ID. You fill out Form W-7, and you prove who you are with original documents. You mail everything to the IRS. You attach a tax return. You do not need to attach one if you qualify for one of the IRS exceptions.
8 steps · 7–11 weeks · Free (IRS does not charge)2025-Latest
Filing your first Form 1040 is mostly about getting the right documents together. You need your W-2s and 1099s. You need your SSN/ITIN. Free software walks you through the rest. Most refunds arrive within 21 days.
8 steps · 2–4 hours · Free (IRS Free File) to $60+ (paid software)2025-Latest
If your adjusted gross income is under $89,000, you can use brand-name tax software for free. This includes TurboTax, H&R Block, and others. You get it through IRS Free File. Companies hide this free version from search results. Here is how to find the real free way in.
7 steps · 1–3 hours · $0 federal (state may vary)2025-Latest
The IRS updates refund status once per day. This guide shows what you need to check it. It also explains what "return received / approved / sent" means. It also covers the real reasons refunds get stuck.
5 steps · 5 minutes · Free2025-Latest
If you freelance, drive for Uber, run a side business, or have no tax taken out by an employer, you owe estimated taxes. You pay four times a year. If you miss a quarter, the IRS adds a penalty for paying too little. Here is how it works.
6 steps · About 1 hour per quarter · Free to file (the tax itself varies)2025-Latest
Form W-9 is a one-page form. It asks for your Taxpayer Identification Number. Freelancers and contractors fill it out for clients who pay them $2,000+ in 2026. It takes 10 minutes if you know your entity type and TIN.
7 steps · 10 minutes · Free2025-Latest
Schedule C is where sole proprietors and single-member LLCs report business income and expenses on their Form 1040. Good records make it a 2-hour job. The deductions are worth more than most people expect.
7 steps · 2–4 hours · Free (self-file) to $150+ (preparer)2025-Latest
A 1099 is a form that reports income. Someone paid you money and told the IRS about it. Each type covers a different kind of income. This guide shows where each common 1099 goes on your Form 1040.
7 steps · 30–60 minutes · Free2025-Latest
A Schedule K-1 shows your share of income from a partnership, S-corp, or trust. It is not cash you got in hand. This guide explains each box in simple words. It shows where each number goes on your 1040.
7 steps · 1–3 hours · Free (software) to $300+ (preparer)2025-Latest
Form 1098-T is the tuition form from your college. It is the key to education credits of up to $2,500 per student. But only one person can use it. That person is the one who claims the student as a dependent.
7 steps · 1–2 hours · Free2025-Latest
A tax transcript is the IRS's official summary of your return. Lenders, schools, and immigration officers accept it in place of a full copy. The fastest way is Get Transcript Online. You prove who you are once. Then you download a PDF right away. By mail or with Form 4506-T, it takes 5–10 days. All transcripts are free.
5 steps · 10 minutes online · Free2026-Latest
FAQ
Frequently Asked Questions
Common questions and essential rules for taxes in United States.
When is the annual US federal income tax deadline?
Federal income tax returns (Form 1040US Individual Income Tax Return — The standard federal income tax form. Variants like 1040-SR (seniors) and schedules attach to it.Click for official info ↗) are due April 15 each year. If April 15 falls on a weekend or holiday, the deadline moves to the next business day. You can request an automatic 6-month extension to October 15 using Form 4868, but any tax owed must still be paid by April 15.
Can I file US taxes without a Social Security number (SSN)?
Yes. Non-citizens who do not qualify for an SSNSocial Security Number — A 9-digit number issued by the Social Security Administration. It is the main US identity number for work, taxes, and credit.Click for official info ↗ can apply for an Individual Taxpayer Identification Number (ITINIndividual Taxpayer Identification Number — A tax processing number for people who are not eligible for a Social Security number but must file US taxes.Click for official info ↗) using IRSInternal Revenue Service — The US federal tax agency. It collects federal income taxes, issues refunds, and administers ITINs.Click for official info ↗ Form W-7. The application must be submitted with original identity documents and an attached federal income tax return.
How can I file my US federal taxes for free?
Eligible taxpayers can file free through IRS Free File partners (typically if your Adjusted Gross Income is below the annual threshold), or using IRS Free File Fillable Forms. IRS Direct File was discontinued and is not available for filing season 2026.
How do I check the status of my tax refund?
Use the official IRS "Where's My Refund?" tool online at irs.gov or via the IRS2Go mobile app. Status updates appear within 24 hours after e-filing or 4 weeks after mailing a paper return.
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