🇺🇸 Official the IRS rules, 2025
How much US tax are you overpaying?
Everything here is US only: your rates, your forms, your deadlines. Answer a few plain questions and see the legal savings you are missing.
Your US tools
Build my US planA few plain questions, one written savings planUS tax calculator2025 rates, no sign upWhat can I claimNamed the IRS reliefs, forms and deadlinesDeadlines and penaltiesFiling, paying, penalties and appealsDecode my paperworkPayslips, notices and forms explainedCompanies and trustsWhat saves tax and what costs more
Federal income tax, single filer
Tax year 2025, filed in 2026.
- 10%
- up to $11,925
- 12%
- to $48,475
- 22%
- to $103,350
- 24%
- to $197,300
- 32%
- to $250,525
- 35%
- to $626,350
- 37%
- above $626,350
Dates that cost money if you miss them
1 January to 31 December
15 January · 1040-ES
Fourth estimated payment
IRS.gov17 March · 1065 / 1120-S
Partnership and S corporation returns
IRS.gov15 April · 1040
Individual return and first estimate
IRS.gov16 June · 1040-ES
Second estimated payment
IRS.gov
US forms, box by box
US return wizardForm 1040 and the schedules your income needsUS return builderForm 1040 with Schedule 1, line by lineUS self-employed returnSchedule C, Schedule SE and Schedule 1US tax savings14 legal ways to cut a federal tax billUS deadlines and formsForm 1040, Schedule 1, 1040-ES, FBARUS state taxAll fifty states, rates and dates
Where these figures come from
Federal figures as published by the IRS for 2025. Every state with an income tax now uses its own 2025 bands or flat rate and standard deduction. City and county taxes are not included.