Formula
Taxable income = gross income - standard deduction - extra deductions. Tax is calculated using marginal tax brackets.
US localized calculator
US Federal Income Tax Calculator
Estimate 2026 U.S. federal income tax from gross income, filing status, standard deduction, and taxable income.
Main result
Calculating IRS 2026 inflation adjustments.계산 기준과 공식 출처
Calculation basis date: May 15, 2026. Uses simplified 2026 U.S. federal income tax brackets and standard deduction.
공식 기준은 수시로 바뀔 수 있으므로 실제 신고, 계약, 대출, 진료, 납부 전에는 반드시 해당 기관의 최신 자료를 확인하세요.
Formula and interpretation
How to read it
The result is federal income tax only. State taxes, credits, AMT, self-employment tax, and itemized deduction limits are not included.
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