Salary & Paycheck Calculator

Estimate your take-home pay after federal taxes, state taxes, FICA, 401(k), and insurance.

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Understanding Your Paycheck

Your paycheck undergoes several mandatory deductions before you receive your take-home pay. On average, Americans keep only 65-75% of their gross salary after federal taxes, state taxes, FICA, retirement contributions, and insurance premiums. Understanding each deduction empowers you to optimize your finances and plan your monthly budget accurately.

Worked Example

$75,000 annual gross salary, single filer in Texas (0% state tax), 6% 401(k) contribution, $200/month insurance:

  • Gross pay (biweekly): $2,884.62
  • Federal tax: −$338.85
  • FICA: −$220.67 (Social Security + Medicare)
  • 401(k): −$173.08 (6% pre-tax)
  • Health insurance: −$92.31
  • Biweekly take-home: $2,059.71
  • Annual net pay: $53,552 (71.4% of gross)

Key Paycheck Terms

Federal Income Tax
Based on progressive tax brackets after the standard deduction ($14,600 for single filers in 2024).
State Income Tax
Varies by state: 0% in FL, TX, NV, WA, WY, TN, SD, NH, AK; up to 13.3% in CA. This can mean thousands of dollars difference in take-home pay.
FICA (Social Security + Medicare)
Social Security (6.2% up to $168,600) and Medicare (1.45% on all income). Your employer matches these amounts.
Pre-Tax Retirement (401k)
Contributions are deducted before income tax, reducing your taxable income. 2024 limit: $23,000 ($30,500 if 50+).
W-4 Withholding
Determines how much federal tax your employer withholds. Incorrect withholding leads to large refunds (too much) or tax bills (too little).

Tips to Maximize Take-Home Pay

  • Capture the full employer match: Contributing enough to your 401(k) to get the full match is an instant 50-100% return on that money
  • Use an HSA: If you have a high-deductible health plan, HSA contributions are triple tax-advantaged (deductible, grow tax-free, withdraw tax-free for medical)
  • Optimize your W-4: Review withholdings annually and after life changes — aim for a small refund, not a large one
  • Consider state taxes: If relocating, states with no income tax can boost take-home pay by 5-13%
  • Use a dependent care FSA: Up to $5,000 in pre-tax dollars for childcare expenses, saving you hundreds in taxes

Frequently Asked Questions

How is FICA calculated?

FICA consists of two parts: Social Security tax (6.2% on income up to $168,600 in 2024) and Medicare tax (1.45% on all income, plus an additional 0.9% on income above $200,000). Your employer matches the base FICA amounts, meaning the total FICA contribution is 15.3%. Self-employed individuals pay both halves (15.3% total) through self-employment tax.

Should I contribute to a 401(k)?

Absolutely — especially if your employer offers matching. Contributing to a 401(k) reduces your taxable income dollar-for-dollar and grows tax-deferred. If your employer matches 50% up to 6% of salary, contribute at least 6% to capture the full match — it is literally a 50% instant return on your money. The 2024 contribution limit is $23,000 ($30,500 if over 50).

What is gross vs net salary?

Gross salary is your total compensation before any deductions — the number in your job offer. Net salary (take-home pay) is what actually hits your bank account after federal tax, state tax, FICA, retirement contributions, and insurance premiums. Net pay is typically 25-35% less than gross pay, depending on your tax bracket and benefits elections.

What is a W-4 form and why does it matter?

Form W-4 tells your employer how much federal income tax to withhold from each paycheck. If you claim too few allowances, too much tax is withheld (you get a large refund but smaller paychecks). If you claim too many, too little is withheld (larger paychecks but you may owe at tax time). Review your W-4 after major life changes like marriage, a new child, or buying a home.

How do pre-tax benefits reduce my taxable income?

Pre-tax benefits — such as 401(k) contributions, HSA contributions, FSA contributions, and employer-sponsored health insurance — are deducted from your gross pay BEFORE income tax is calculated. This means every $1 contributed to these benefits saves you $0.22–$0.37 in taxes (depending on your bracket), effectively giving you a discount on these expenses.

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