Free Tax Calculator

Estimate your federal income tax based on current IRS tax brackets

Include wages, self-employment, investments, etc.
Each dependent reduces taxable income by $2,000
401(k), IRA, HSA contributions

About Your Deductions

The standard deduction for 2024 is $14,600 for your filing status. You're using the standard deduction with dependent exemptions added.

Free Tax Calculator – Estimate Your Federal Income Tax

The Free Tax Calculator helps you estimate your federal income tax liability based on current IRS tax brackets. Whether you're planning for tax season, estimating quarterly payments, or just curious about your effective tax rate, this tool provides accurate estimates using official tax tables.

Key Features

  • Current Tax Brackets — Uses official IRS tax brackets for 2023 and 2024
  • Multiple Filing Statuses — Single, Married Joint, Married Separate, Head of Household
  • Standard Deduction — Automatically applied based on filing status and age
  • Itemized Deductions — Enter your own deductions for more accurate results
  • Marginal Tax Rate — See your highest tax bracket
  • Effective Tax Rate — Your actual tax percentage after all calculations
  • AMT Estimation — Basic Alternative Minimum Tax estimate
  • Tax Year Selection — Switch between 2023 and 2024 brackets
  • PDF Export — Download your tax summary for records

2024 Federal Income Tax Brackets

Tax RateSingleMarried Filing JointlyHead of Household
10%$0 - $11,600$0 - $23,200$0 - $16,550
12%$11,601 - $47,150$23,201 - $94,300$16,551 - $63,100
22%$47,151 - $100,525$94,301 - $201,050$63,101 - $100,500
24%$100,526 - $191,950$201,051 - $383,900$100,501 - $191,950
32%$191,951 - $243,725$383,901 - $487,450$191,951 - $243,700
35%$243,726 - $609,350$487,451 - $731,200$243,701 - $609,350
37%$609,351+$731,201+$609,351+

2024 Standard Deductions

Filing StatusStandard Deduction
Single$14,600
Married Filing Jointly$29,200
Married Filing Separately$14,600
Head of Household$21,900

How to Use the Tax Calculator

  1. Enter your annual income — Include wages, self-employment income, investments, etc.
  2. Select your filing status — Choose the status that applies to your situation
  3. Choose tax year — Select 2023 or 2024 for the appropriate brackets
  4. Add dependents — Enter the number of dependents (each reduces taxable income)
  5. Choose deduction type — Standard deduction (auto) or itemized (enter manually)
  6. Adjust pre-tax contributions — Add 401(k), IRA, or HSA contributions
  7. Review results — See your taxable income, total tax, marginal rate, and effective rate

Understanding Your Results

What the numbers mean:
  • Taxable Income: Your income after deductions and exemptions
  • Estimated Tax: Total federal income tax you would owe
  • Marginal Tax Rate: The tax rate on your last dollar earned
  • Effective Tax Rate: Total tax ÷ Total income × 100
  • AMT Estimate: Basic Alternative Minimum Tax calculation (for high incomes)

Tips for Tax Planning

💰 Maximize Retirement Contributions

Contributions to 401(k), IRA, and HSA accounts reduce your taxable income. The calculator lets you model different contribution amounts.

🏠 Consider Deduction Strategies

Compare standard vs. itemized deductions. If you have large mortgage interest or charitable donations, itemizing might save more.

📅 Plan Estimated Payments

Self-employed? Use this calculator to estimate quarterly tax payments and avoid underpayment penalties.

👨‍👩‍👧‍👦 Dependent Credits

Each dependent can significantly reduce your tax liability through child tax credits and dependency exemptions.

Common Tax Scenarios

Salaried Employee

Single, $75,000 income, standard deduction

Estimated Tax: ~$8,500

Effective Rate: ~11.3%

Married Couple

$150,000 combined, 2 dependents, standard deduction

Estimated Tax: ~$15,000

Effective Rate: ~10%

Self-Employed

$120,000 income, single, itemized deductions

Estimated Tax: ~$20,000

Effective Rate: ~16.7%

Important Disclaimers

  • This calculator provides estimates only and should not be used as official tax advice
  • Tax laws change frequently — always verify with current IRS publications
  • Does not include state income tax, local taxes, or self-employment tax (Social Security/Medicare)
  • Does not account for all possible credits (Child Tax Credit, Earned Income Credit, Education Credits, etc.)
  • AMT calculation is simplified — complex situations may require professional tax software
  • For accurate filing, consult a tax professional or use IRS-authorized tax preparation software

Privacy & Data Security

All tax calculations are performed locally in your browser. Your income and financial information never leave your computer. We don't store, track, or transmit any personal data. You can download your tax summary as a PDF for your records — this file is generated entirely on your device.

2023 vs 2024 Tax Years

The calculator supports both 2023 and 2024 tax brackets. The 2024 brackets are adjusted for inflation, which generally results in slightly lower taxes for most taxpayers. Use the toggle to compare your estimated tax liability between years.

Frequently Asked Questions (FAQs)

Enter your income amount, select your filing status (Single, Married Filing Jointly, Married Filing Separately, or Head of Household), choose the tax year (2023 or 2024), and optionally add deductions. The calculator will automatically compute your estimated federal income tax based on current IRS tax brackets.

The calculator uses the official IRS federal income tax brackets for the selected tax year (2023 or 2024). It includes the standard deduction, marginal tax rates (10%, 12%, 22%, 24%, 32%, 35%, 37%), and calculates your effective tax rate.

This calculator focuses on federal income tax only. State income tax varies significantly by location and isn't included. Check your state's tax agency for state-specific calculations.

You can choose between the standard deduction (automatically applied based on filing status) or itemized deductions. Common itemized deductions include mortgage interest, charitable contributions, medical expenses, and state/local taxes paid.

The calculator provides accurate estimates based on current tax laws. However, individual circumstances can affect your actual tax liability. For precise filing, consult a tax professional or use official IRS forms.

Marginal tax rate is the rate you pay on your last dollar of income (your highest bracket). Effective tax rate is your total tax divided by total income — the actual percentage you pay overall. The calculator shows both.

Yes! Your calculations are automatically saved in your browser's local storage. You can also download your tax summary as a PDF for record-keeping.

AMT is a parallel tax system designed to ensure high-income earners pay a minimum amount of tax. The calculator provides an AMT estimate, but complex situations may require professional tax software.