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Federal tax brackets, FICA, state taxes, and deductions — calculate your exact net pay.
$59,384
Median US salary (2024)
22%
Most common federal bracket
7.65%
Employee FICA rate
$14,600
2024 standard deduction
Net pay is the amount you actually receive after all deductions are subtracted from your gross pay. In the United States, mandatory deductions include federal income tax (withheld according to IRS tax brackets and your W-4 elections), Social Security tax (6.2% up to the wage base of $168,600 in 2024), and Medicare tax (1.45% with an additional 0.9% once wages exceed $200,000). Most workers also owe state income tax — only Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming have no state income tax on wages.
Beyond mandatory payroll taxes, many employees elect pre-tax deductions: 401(k) or 403(b) retirement contributions, health insurance premiums via Section 125 cafeteria plans, FSA/HSA contributions, and commuter benefits. These reduce your taxable income, so a $5,000 annual 401(k) contribution for someone in the 22% bracket saves roughly $1,100 in federal tax alone.
Our paycheck calculator models every layer of this stack: gross salary → pre-tax deductions → federal withholding → FICA → state/local tax → post-tax deductions → net pay, giving you a precise paycheck estimate for any frequency (weekly, biweekly, semi-monthly, or monthly).
Taxable Income = Gross − Pre-Tax Deductions − Standard Deduction 2024 Brackets (Single): $0–$11,600 → 10% $11,601–$47,150 → 12% $47,151–$100,525 → 22% $100,526–$191,950→ 24% $191,951–$243,725→ 32% $243,726–$609,350→ 35% $609,351+ → 37%
Tax is marginal — only income within each bracket is taxed at that rate.
Social Security = Gross × 6.2% (up to $168,600) Medicare = Gross × 1.45% Additional Medicare = 0.9% on wages > $200,000 Example ($75,000 salary): SS = $75,000 × 0.062 = $4,650 Med = $75,000 × 0.0145 = $1,087.50 Total FICA = $5,737.50
Employer matches SS and Medicare — so total FICA cost is double.
Net Pay = Gross Pay − Federal Tax Withheld − FICA (SS + Medicare) − State Tax − Pre-Tax Deductions (401k, insurance) − Post-Tax Deductions (Roth, garnishments) Example ($75,000/yr biweekly): Gross per check: $2,884.62 Fed tax: −$351.00 FICA: −$220.67 State (CA): −$144.23 401k (6%): −$173.08 Net pay: $1,995.64
Pre-tax deductions reduce taxable income; post-tax do not.
Marginal Rate = bracket of your last dollar earned Effective Rate = Total Tax Paid ÷ Gross Income × 100 Example ($75,000 gross, single): Federal tax owed ≈ $8,932 Effective rate = $8,932 ÷ $75,000 = 11.9% Marginal rate = 22%
Effective rate is always lower than marginal rate due to graduated brackets.
| Bracket | Rate | Tax on Bracket | Cumulative Tax |
|---|---|---|---|
| $0 – $11,600 | 10% | $1,160 | $1,160 |
| $11,601 – $47,150 | 12% | $4,266 | $5,426 |
| $47,151 – $100,525 | 22% | $11,742 | $17,168 |
| $100,526 – $191,950 | 24% | $21,942 | $39,110 |
| $191,951 – $243,725 | 32% | $16,568 | $55,678 |
| $243,726 – $609,350 | 35% | $127,969 | $183,647 |
| $609,351+ | 37% | varies | varies |
Congress enacted the Revenue Act of 1861 to fund the Civil War — a 3% flat tax on incomes over $800 (≈$26,000 today). It was repealed in 1872.
The 16th Amendment permanently authorized federal income tax. Initial rates: 1% on income up to $20,000, maxing at 7% on incomes above $500,000.
President Roosevelt signed the Social Security Act, establishing a 2% combined payroll tax (1% employee + 1% employer) on the first $3,000 of wages.
The Current Tax Payment Act mandated employer withholding of federal income tax from every paycheck — creating the modern payroll system.
The Medicare program launched with a 0.7% combined payroll tax. Today it stands at 2.9% (1.45% each for employee and employer) with no wage cap.
TCJA nearly doubled the standard deduction to $12,000 (single), lowered most bracket rates, and capped state tax deductions at $10,000 (SALT cap).
IRS — Publication 15-T
Details the Percentage Method and Wage Bracket Method employers use to compute federal tax withholding from each paycheck.
Social Security Administration
The 2024 Social Security taxable wage base is $168,600, up from $160,200 in 2023 — a 5.2% increase reflecting average wage growth.
Tax Foundation
Top state marginal rates range from 0% (9 states) to 13.3% (California). New York City adds a local tax of up to 3.876% on top of state tax.
Bureau of Labor Statistics
Total employer compensation costs average $46.14/hour, of which 29.4% ($13.57) goes to benefits including insurance, retirement, and legally required costs.
Moving into a higher tax bracket means all your income is taxed at the higher rate.
US federal tax is marginal. Only income exceeding the bracket threshold is taxed at the new rate — your earnings below stay at lower rates.
Freelancers pay double the tax that employees pay.
Self-employed workers pay both halves of FICA (15.3%) but can deduct the employer half. Their effective FICA cost is ~14.1%, not truly double.
Contributing to a 401(k) only saves you taxes in retirement.
401(k) pre-tax contributions reduce your current taxable income. A $10,000 contribution in the 22% bracket saves $2,200 in federal tax this year.
If you get a raise, you might take home less because of higher taxes.
This never happens with a marginal system. A raise always increases net pay. Only the additional dollars above the bracket cutoff are taxed at the higher rate.
From paycheck analysis to retirement planning — CalculatorApp.me has every money tool you need.
Browse Finance Calculators →Free US paycheck calculator — estimate take-home pay after federal & state taxes, FICA, 401(k), and health insurance deductions.
Enter values above to see results.
Breaking down deductions, FICA taxes, and take-home pay calculations.
Read article →How marginal rates determine the taxes withheld from your paycheck.
Read article →Deductions that can reduce your withholding and increase take-home pay.
Read article →This calculator is part of a comprehensive guide
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