Taxable Income Calculator 2026 (AGI, Deductions & Taxable Income)

Work out your 2026 taxable income, the amount of income the IRS actually taxes. Start with your gross income, subtract pre-tax adjustments, and then the larger of the standard deduction or your itemized deductions. Example: a single filer with $90,000 of income and a $6,000 401(k) contribution has $67,900 of taxable income after the $16,100 standard deduction.

How to use the Taxable Income Calculator

1. Choose your filing status and enter gross income.
2. Add pre-tax retirement contributions and other pre-tax items such as HSA or FSA.
3. Enter your total itemized deductions if you have them, or leave zero for the standard deduction.
4. Press Calculate to see your taxable income.

Formula and method

Taxable income = Gross income − Adjustments − max(Standard deduction, Itemized deductions)

2026 standard deductions: $16,100 single, $32,200 married filing jointly, $24,150 head of household. Taxable income cannot be below zero.

Frequently asked questions

What is the difference between gross income, AGI and taxable income?

Gross income is everything you earn. AGI is gross income minus certain adjustments such as 401(k) and HSA contributions. Taxable income is AGI minus your deduction.

Should I itemize or take the standard deduction?

Pick whichever is higher. Most taxpayers take the standard deduction because it is large.

How can I lower my taxable income?

Contribute to a 401(k), traditional IRA or HSA, use an FSA, and claim all deductions you qualify for.

Sources

• IRS: Federal income tax rates and brackets
• IRS: Standard deduction

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