Paycheck Tax Calculator

paycheck tax calculator
WeeklyBi-Weekly (Every 2 weeks)Semi-Monthly (Twice a month)MonthlyAnnual Salary
SingleMarried Filing Jointly
Take-Home Pay Result:
Net Pay: $0.00
Gross Pay:
Federal Income Tax:
FICA (Soc Sec + Medicare):
State Income Tax:
Pre-tax Deductions:
function calculatePaycheck(){var freq=parseFloat(document.getElementById('pay_frequency').value);var gross=parseFloat(document.getElementById('gross_pay').value);var ded=parseFloat(document.getElementById('deductions').value);var stateRate=parseFloat(document.getElementById('state_tax').value)/100;var status=document.getElementById('filing_status').value;var showSteps=document.getElementById('steps').checked;if(isNaN(gross)||isNaN(ded)||isNaN(stateRate)){alert('Please enter valid numeric values');return;}var annualGross=gross*freq;var annualDed=ded*freq;var taxableIncome=annualGross-annualDed;var stdDed=(status==='single')?14600:29200;var taxableAfterStd=Math.max(0,taxableIncome-stdDed);var fedTax=0;if(status==='single'){if(taxableAfterStd>609350)fedTax=183647+(taxableAfterStd-609350)*0.37;else if(taxableAfterStd>243725)fedTax=51663+(taxableAfterStd-243725)*0.35;else if(taxableAfterStd>191950)fedTax=35093+(taxableAfterStd-191950)*0.32;else if(taxableAfterStd>100525)fedTax=16290+(taxableAfterStd-100525)*0.24;else if(taxableAfterStd>47150)fedTax=5424+(taxableAfterStd-47150)*0.22;else if(taxableAfterStd>11600)fedTax=1160+(taxableAfterStd-11600)*0.12;else fedTax=taxableAfterStd*0.10;}else{if(taxableAfterStd>731200)fedTax=183181+(taxableAfterStd-731200)*0.37;else if(taxableAfterStd>487450)fedTax=97868+(taxableAfterStd-487450)*0.35;else if(taxableAfterStd>383900)fedTax=64732+(taxableAfterStd-383900)*0.32;else if(taxableAfterStd>201050)fedTax=32580+(taxableAfterStd-201050)*0.24;else if(taxableAfterStd>94300)fedTax=10848+(taxableAfterStd-94300)*0.22;else if(taxableAfterStd>23200)fedTax=2320+(taxableAfterStd-23200)*0.12;else fedTax=taxableAfterStd*0.10;}var fica=annualGross*0.0765;var stateTax=annualGross*stateRate;var annualNet=annualGross-fedTax-fica-stateTax-annualDed;var periodNet=annualNet/freq;var periodFed=fedTax/freq;var periodFica=fica/freq;var periodState=stateTax/freq;document.getElementById('netPay').innerHTML=periodNet.toLocaleString(undefined,{minimumFractionDigits:2,maximumFractionDigits:2});document.getElementById('resGross').innerHTML='$'+gross.toFixed(2);document.getElementById('resFed').innerHTML='-$'+periodFed.toFixed(2);document.getElementById('resFica').innerHTML='-$'+periodFica.toFixed(2);document.getElementById('resState').innerHTML='-$'+periodState.toFixed(2);document.getElementById('resDed').innerHTML='-$'+ded.toFixed(2);if(showSteps){document.getElementById('breakdown').style.display='block';}else{document.getElementById('breakdown').style.display='none';}}

Using the Paycheck Tax Calculator

Understanding your take-home pay is essential for budgeting and financial planning. This paycheck tax calculator helps you estimate how much money will actually land in your bank account after federal, state, and FICA taxes are withheld. Whether you are starting a new job or adjusting your withholdings, this tool provides a clear picture of your net earnings.

To get an accurate result, you will need to input your gross earnings per period and specify any deductions you contribute to, such as a 401(k) or health insurance premiums.

Pay Frequency
How often you get paid (Weekly, Bi-weekly, Semi-monthly, or Monthly).
Gross Pay
The total amount you earn before any taxes or deductions are taken out.
Filing Status
Your tax filing status (Single or Married) which determines your standard deduction and tax brackets.
Pre-tax Deductions
Payments made to retirement accounts or insurance that reduce your taxable income.

How It Works: The Net Pay Formula

The calculation for net pay follows a specific sequence of subtractions from your total earnings. The paycheck tax calculator applies the following formula:

Net Pay = Gross Pay – (Federal Income Tax + FICA Tax + State Tax + Pre-tax Deductions)

  • Gross Pay: Your base salary or hourly wages multiplied by hours worked.
  • Federal Income Tax: Calculated using progressive tax brackets ranging from 10% to 37% after subtracting the standard deduction.
  • FICA Tax: Federal Insurance Contributions Act, which covers Social Security (6.2%) and Medicare (1.45%).
  • State Tax: Varies by location; some states have a flat rate, while others use progressive brackets.

Calculation Example

Example: An employee earns a monthly gross salary of $5,000, filing as Single, with a $200 pre-tax 401(k) contribution and a 5% state tax rate.

Step-by-step solution:

  1. Annual Gross: $5,000 x 12 = $60,000
  2. Annual Pre-tax Deductions: $200 x 12 = $2,400
  3. Taxable Income: $60,000 – $2,400 – $14,600 (Std Ded) = $43,000
  4. Federal Tax: Estimated based on brackets (~$4,928 annually / $410.67 monthly)
  5. FICA: $60,000 x 7.65% = $4,590 annually / $382.50 monthly
  6. State Tax: $60,000 x 5% = $3,000 annually / $250.00 monthly
  7. Monthly Net Pay: $5,000 – $410.67 – $382.50 – $250.00 – $200.00 = $3,756.83

Common Questions

What is the difference between Gross and Net Pay?

Gross pay is the total amount of money earned before any taxes or deductions are removed. Net pay is the "take-home" amount that you actually receive in your paycheck or bank deposit after all withholdings.

How does FICA affect my paycheck?

FICA is a mandatory federal payroll tax. It consists of a 6.2% Social Security tax and a 1.45% Medicare tax. These are usually calculated based on your gross income, regardless of your filing status or standard deduction.

Why is my paycheck tax calculator result different from my actual check?

Variations occur due to local taxes, specific employer-sponsored benefits (like life insurance or HSA contributions), or bonuses and commissions which are often taxed at a flat supplemental rate.

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