us-paycheck-tax
2025 US federal income tax (progressive brackets + standard deduction) and FICA (Social Security + Medicare) — the core of a paycheck / take-home calculation. Pure Rust, no deps.
Same figures behind the StateWage paycheck calculator — see take-home pay by state.
use ;
let = take_home;
Figures: 2025 IRS brackets, standard deduction $15,000 (single) / $30,000 (married), FICA 6.2% Social Security (wage base $176,100) + 1.45% Medicare (+0.9% additional above $200k/$250k). State/local tax and pre-tax deductions are out of scope here.
License: MIT