Tax Calculator
Estimate your 2024 federal and state income tax, FICA contributions, effective tax rate, and take-home pay. Includes bracket-by-bracket breakdown.
Net Income
$67,957
$5,663/mo
Income Tax
$10,541
Social Contributions
$6,503
Effective Rate
20.1%
| Bracket | Rate | Tax |
|---|---|---|
| $0 โ $11,600 | 10% | $1,160 |
| $11,600 โ $47,150 | 12% | $4,266 |
| $47,150 โ $70,400 | 22% | $5,115 |
Notes
- โข Standard deduction: $14,600
- โข FICA: $6,503 (SS + Medicare)
- โข 2024 tax brackets applied
How US Income Tax Works
The United States uses a progressive tax system where income is taxed at increasing rates as it crosses certain thresholds. This means only the income within each bracket is taxed at that bracket's rate โ not your entire income.
Tax Calculation Process
1. Gross Income
2. รขหโ Deductions (standard or itemized) = Taxable Income
3. Apply bracket rates to Taxable Income = Federal Tax
4. + State Tax (on taxable income)
5. + FICA (6.2% SS + 1.45% Medicare on gross)
6. = Total Tax
Net Income = Gross Income รขหโ Total Tax
2024 Federal Tax Brackets (Single)
| Rate | Income Range (Single) | Max Tax in Bracket |
|---|---|---|
| 10% | $0 โ $11,600 | $1,160 |
| 12% | $11,601 โ $47,150 | $4,266 |
| 22% | $47,151 โ $100,525 | $11,743 |
| 24% | $100,526 โ $191,950 | $21,942 |
| 32% | $191,951 โ $243,725 | $16,568 |
| 35% | $243,726 โ $609,350 | $127,968 |
| 37% | $609,351+ | No limit |
Example: $85,000 Single Filer
With the standard deduction of $14,600, taxable income is $70,400:
- โข 10% on first $11,600 = $1,160
- โข 12% on $11,601โ$47,150 = $4,266
- โข 22% on $47,151โ$70,400 = $5,115
- Federal Tax = $10,541 (effective rate: 12.4%)
Understanding FICA
FICA taxes fund Social Security and Medicare. Unlike income tax, FICA is calculated on gross income (before deductions). Social Security tax is 6.2% on the first $168,600 of wages (2024). Medicare is 1.45% on all wages, with an additional 0.9% on wages over $200,000. Your employer matches these contributions.
Strategies to Reduce Your Tax Bill
- Maximize pre-tax contributions: 401(k) up to $23,000, Traditional IRA up to $7,000
- HSA contributions: $4,150 (individual) or $8,300 (family) if eligible
- Tax-loss harvesting: Offset capital gains with investment losses
- Charitable donations: Itemize if total deductions exceed standard
- Education credits: American Opportunity Credit (up to $2,500/year)
- Child Tax Credit: Up to $2,000 per qualifying child
- State strategy: Consider relocation to no-income-tax states for high earners
Frequently Asked Questions
How is federal income tax calculated?
Federal income tax uses a progressive bracket system. Your income is divided into segments, each taxed at an increasing rate. For 2024, rates range from 10% (first $11,600 for single filers) up to 37% (income over $609,350). Only income within each bracket is taxed at that rate โ a common misconception is that all income gets taxed at your highest bracket rate.
What is the difference between marginal and effective tax rate?
Your marginal tax rate is the rate applied to your last dollar of income (your highest bracket). Your effective tax rate is the average rate across all your income โ calculated as total tax divided by gross income. For example, with $85,000 income and $12,106 in federal tax, your marginal rate is 22% but your effective rate is only 14.2%.
Should I take the standard deduction or itemize?
Take whichever is larger. For 2024, the standard deduction is $14,600 (single), $29,200 (married joint), or $21,900 (head of household). You should itemize only if your combined deductions (mortgage interest, state/local taxes up to $10,000, charitable contributions, etc.) exceed the standard deduction.
What is FICA tax?
FICA stands for Federal Insurance Contributions Act. It includes Social Security tax (6.2% on the first $168,600 of earnings in 2024) and Medicare tax (1.45% on all earnings, plus an additional 0.9% on earnings over $200,000). FICA is separate from income tax and is not reduced by deductions.
Which states have no income tax?
Nine states have no state income tax: Alaska, Florida, Nevada, New Hampshire (limited to investment income), South Dakota, Tennessee, Texas, Washington, and Wyoming. Living in these states can significantly reduce your overall tax burden, though they may have higher property or sales taxes.
How can I reduce my tax liability?
Key strategies include: maximizing 401(k)/IRA contributions (up to $23,000/$7,000 in 2024), HSA contributions if eligible ($4,150 individual/$8,300 family), charitable donations, harvesting investment losses, utilizing education credits, and timing income/deductions across tax years. Always consult a tax professional for personalized advice.
Are these tax calculations accurate for filing?
This calculator provides estimates using 2024 federal brackets and simplified flat-rate state approximations. It does not account for all possible credits (child tax credit, earned income credit), Alternative Minimum Tax (AMT), state-specific bracket structures, local taxes, or special income types (capital gains, dividends). Use it for planning purposes and consult IRS.gov or a CPA for actual filing.