Federal Tax Calculator
Estimate how much federal income tax applies to your annual income using the current standard deduction and marginal tax brackets. This page focuses on federal tax only.
Federal Tax Inputs
Federal Tax Estimate
Uses the 2026 federal standard deduction and progressive brackets.
Federal Tax
$9,870
Federal Taxable Income
$68,900
Marginal Federal Rate
22.0%
Net After Federal Tax
$75,130
Tax data and review status
These tax calculator estimates use 2026 federal income-tax brackets, 2026 FICA values, and state income-tax data that is versioned separately. They were reviewed on June 2, 2026. Treat results as planning estimates, not tax, payroll, legal, or financial advice.
How Federal Income Tax Is Estimated
Core formula
Annual income - standard deduction = taxable income, then progressive brackets determine federal tax
Best use case
The calculator applies the current federal standard deduction first, then taxes each bracket layer at its marginal rate.
Important limits
- This page uses 2026 federal tax brackets and standard deductions.
- It does not include state income tax, Social Security, Medicare, or tax credits.
- Use it when you want a fast bracket-based federal estimate before building a full paycheck model.
Data Sources and Review Process
Tax rates are stored in versioned JSON files and should be checked against official federal, FICA, and state sources during each annual update. Federal and FICA values are current for 2026; state data is versioned separately.
Federal Tax Calculator FAQ
How is federal income tax calculated?
The calculator subtracts the 2026 standard deduction from annual income, then applies progressive federal tax brackets to the remaining taxable income.
Does this federal tax calculator include state tax?
No. It is limited to federal income tax so you can isolate the federal portion before layering in state tax or payroll taxes elsewhere.
Is this the same as my final IRS tax bill?
Not necessarily. Actual liability can change with credits, itemized deductions, capital gains, self-employment adjustments, and other return details not modeled here.
Related Tax Calculators
- Tax Calculator
Estimate total annual tax including federal, state, and FICA.
- Income Tax Calculator
Estimate federal and state income tax without payroll taxes.
- Federal Tax Calculator
Estimate annual federal income tax using current brackets.
- Self Employment Tax Calculator
Estimate Schedule SE Social Security and Medicare taxes.
- Social Security Tax Calculator
Estimate employee Social Security tax and wage-base impact.