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.
Start here
See what you could keep in United States this year
One plan, the reliefs the IRS allows, the right form and the date it is due.
Your tax year, US
Example$2,200kept this year
- Named reliefTraditional IRA
- The formForm 1040
- Due by15 April
An illustrative example for a US employee earning $72,000. Your own plan uses your country and your ranges.
Your US tools
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
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.
