Income Tax Calculator 2024 - Free Tax Calculator for USA

America's most trusted free income tax calculator for 2024. Our free tax calculator instantly calculates federal income tax, state tax, Social Security, Medicare, and your take-home pay. This online tax calculator works for all 50 states and supports W2 tax calculations.

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100% free tax calculator - calculate taxable income, W2 taxes, and take-home pay instantly

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Understanding US Income Tax

The United States uses a progressive federal income tax system with seven tax brackets. In addition to federal tax, most states also levy state income tax. The tax year runs from January 1 to December 31. Here's what you need to know:

2024 Federal Tax Brackets

  • 10%: Up to $11,600 (single) / $23,200 (married filing jointly)
  • 12%: $11,601 - $47,150 / $23,201 - $94,300
  • 22%: $47,151 - $100,525 / $94,301 - $201,050
  • 24%: $100,526 - $191,950 / $201,051 - $383,900
  • 32%: $191,951 - $243,725 / $383,901 - $487,450
  • 35%: $243,726 - $609,350 / $487,451 - $731,200
  • 37%: Over $609,350 / $731,200

Social Security & Medicare

All employees pay Social Security (6.2% on income up to $168,600) and Medicare (1.45% on all income). High earners pay an additional 0.9% Medicare surtax on income above $200,000 (single) or $250,000 (married).

State Income Tax

Most states levy their own income tax in addition to federal tax. Rates vary by state from 0% (Texas, Florida, Nevada, etc.) to over 13% (California). Our US tax calculator includes state tax calculations for all 50 states.

Standard Deduction

For 2024, the standard deduction is $14,600 (single) or $29,200 (married filing jointly). You can choose to itemize deductions if they exceed the standard deduction.

How to Use This Free Income Tax Calculator

Our free tax calculator makes it easy to calculate your taxable income and take-home pay:

  1. Enter your gross annual salary in US Dollars (USD)
  2. Select United States as your country
  3. Select your filing status (Single, Married Filing Jointly, etc.)
  4. Select your state for state income tax calculation
  5. Enter number of dependents (if applicable)
  6. Enter 401(k) and IRA contributions (if applicable)
  7. Click "Calculate" to see your detailed tax breakdown

This online tax calculator provides accurate calculations for federal tax, state tax, Social Security, Medicare, and W2 taxes.

What This Income Tax Calculator Shows

Our free tax calculator provides a complete breakdown of your taxable income:

  • Gross Income: Your total salary before deductions
  • Taxable Income: Income after deductions and exemptions
  • Federal Income Tax: Tax calculated using progressive brackets
  • State Income Tax: State tax based on your selected state
  • Social Security: 6.2% on income up to $168,600
  • Medicare: 1.45% on all income (plus 0.9% surtax for high earners)
  • 401(k) Contributions: Pre-tax retirement contributions
  • Net Income (Take Home Pay): Your paycheck after all deductions
  • Effective Tax Rate: Total tax as a percentage of gross income

This online tax calculator shows exactly how much you'll take home. Perfect for W2 tax calculations.

State-Specific Tax Calculators

Our US tax calculator supports all 50 states. Popular state-specific calculators include:

  • California Tax Calculator: Calculate California state tax (up to 13.3%)
  • Texas Tax Calculator: No state income tax in Texas
  • New York Tax Calculator: Calculate NY state tax and NYC local tax
  • Florida Tax Calculator: No state income tax in Florida
  • And more: All 50 states supported

Important Notes

Disclaimer: This calculator provides estimates based on the latest published tax rates from the Internal Revenue Service (IRS) and state tax authorities. Tax calculations are complex and individual circumstances vary. For official tax advice, consult the IRS website or a qualified tax professional.

Tax Year: This calculator uses rates for the 2024 tax year (January 1 to December 31, 2024).