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By Tax Calculators USA Editorial Team • Last updated 2026-11-09

Disclaimer

The calculators and guides on this site give estimates, not tax advice. Read this page before you act on a number you see here.

Estimates, not tax advice

Every result on Tax Calculators USA is an estimate worked out from simplified 2026 tables. The federal brackets used here are a simplified illustration from IRS Rev. Proc. 2025-32, and the standard deduction figures are $16,100 single, $32,200 married filing jointly, and $24,150 head of household. State tax outside California is a flat-rate estimate, not the real state schedule. Your real tax bill is figured when you file your return, using the full IRS tables, your credits, and your state's own rules — and it can be different from the number on this site.

Not a substitute for a tax professional

This site does not give tax advice, financial advice, or legal advice. It does not file your taxes, fill in your W-4, or check your return. If you need an exact answer for your own situation — a large refund, a large amount owed, income from more than one job, freelance income, or a move between states — talk to a qualified tax professional. Bring the breakdown from this site with you; it will help the conversation, but it is not a substitute for it.

Figures change every year

Tax figures change every January: the standard deduction, the Social Security wage base of $184,500, and the bracket limits are all updated for inflation. We update this site every January, but a page you saved, printed, or found through a search engine may show last year's figures. Always check the "Last updated" date on the page and the tax year in the title before you use a number.

No promise of accuracy

We check our figures against IRS Publication 15-T and IRS Rev. Proc. 2025-32, and we fix mistakes when readers report them. Even so, we cannot promise that every number on the site is right at every moment. Tax law changes, state rules change, and simplified tables cannot cover every case — local taxes, credits, and special cases like tips, bonuses and stock pay are not covered here. If you spot a mistake, tell us through the Contact page and we will check it.

What we are not liable for

To the fullest extent the law allows, Tax Calculators USA and the people who run it are not liable for any loss, cost or damage that comes from using this site or relying on its results. That includes tax you underpaid or overpaid, a refund that was smaller than expected, and any penalty, interest or fee that follows from a decision made using an estimate from this site. Use the tools to plan and to learn — not as the only basis for a tax decision.

Outside links

This site links to outside pages, such as IRS publications and Google's ad settings. We do not control those pages, and we are not responsible for what they say or for changes they make. A link is there to help you check a source, not as an endorsement.