Calculator
Federal Income Tax Estimator
Estimate your annual federal income tax, compare tax after credits with payments entered, and review the main deductions, credits, and assumptions behind the result.
Tax Details
Deductions and adjustments
Choose standard or itemized deductions and add deductible adjustments not already captured elsewhere.
Retirement deductionsModel pretax 401(k) deferrals and the traditional IRA deduction worksheet path.
Advanced tax inputsUse these less-common inputs only when they apply to the annual estimate.
Tax Estimate
Estimated balance due
$50
Based on $11,850 of estimated tax after credits and $11,800 of federal payments entered.
Taxable income
$77,900
After adjustments and deductions.
Tax after credits
$11,850
Before payments and withholding.
Marginal rate
22.0%
Rate on the next ordinary dollar.
Taxable income
Estimated federal taxes
Tax rate
How to use this tax estimator
Treat this as an annual federal tax planning checkpoint: enter the year’s expected numbers, open extra sections only when they apply, then review the estimated settlement.
1
Enter the full-year picture
Use annual totals for income, federal withholding, estimated payments, deductions, and credits. This is a return-year estimate, not a paycheck withholding check.
2
Keep advanced inputs intentional
Open the collapsible sections when itemized deductions, retirement contributions, IRA limits, credits, or less common adjustments are part of the tax picture.
3
Read the result like a tax settlement
The summary compares estimated federal tax after credits with payments entered, then shows the likely refund or balance due and the main assumptions behind it.
About this tool
What this helps you do
This estimator traces ordinary federal income tax from income through adjustments, deductions, credits, payments, and the final refund or balance due.
How it differs from a tax return
It is a planning model, not a filed return or tax advice. It intentionally keeps some return-level rules as advanced inputs or explicit limitations.
Tax rules used
The calculator uses annual federal ordinary-income tax brackets, standard deduction amounts, age/blind additions, temporary senior deduction logic where modeled, and retirement contribution limits maintained in the shared tax engine.
Limitations
The model does not compute every deduction, credit, surtax, or state-tax rule that may apply. Before acting on this estimate, confirm the numbers and filing choices with tax software or a qualified tax professional.
Keep learning
Tax estimate notes