Online Payroll Calculator

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Online Payroll & Net Pay Calculator

Weekly Bi-Weekly Monthly Annually

Payroll Breakdown

Gross Pay: $0.00
Federal Withholding: $0.00
FICA (Soc Sec + Medicare 7.65%): $0.00
State Withholding: $0.00
Other Deductions: $0.00
Net Take-Home Pay: $0.00
function calculatePayroll() { var gross = parseFloat(document.getElementById('grossPay').value); var fedRate = parseFloat(document.getElementById('fedTaxRate').value) || 0; var stateRate = parseFloat(document.getElementById('stateTaxRate').value) || 0; var preTax = parseFloat(document.getElementById('preTaxDeductions').value) || 0; var ficaRate = 0.0765; // Standard employee FICA rate if (isNaN(gross) || gross <= 0) { alert('Please enter a valid gross pay amount.'); return; } // 1. Pre-tax deductions are usually taken before income tax calculation var taxableIncome = gross – preTax; if (taxableIncome < 0) taxableIncome = 0; // 2. Calculate Taxes var fedTaxAmount = taxableIncome * (fedRate / 100); var stateTaxAmount = taxableIncome * (stateRate / 100); var ficaAmount = gross * ficaRate; // FICA is usually calculated on gross before pre-tax deductions like 401k // 3. Final Net Pay var netPay = gross – fedTaxAmount – stateTaxAmount – ficaAmount – preTax; if (netPay < 0) netPay = 0; // Display results document.getElementById('resGross').innerText = '$' + gross.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('resFedTax').innerText = '- $' + fedTaxAmount.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('resFica').innerText = '- $' + ficaAmount.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('resStateTax').innerText = '- $' + stateTaxAmount.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('resDeductions').innerText = '- $' + preTax.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('resNet').innerText = '$' + netPay.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('payrollResults').style.display = 'block'; }

Understanding Your Paycheck: How the Payroll Calculator Works

Managing payroll involves more than just handing over a check. For both employers and employees, understanding the transition from gross pay to net pay is essential for financial planning. This online payroll calculator simplifies the process by accounting for common withholdings and tax obligations.

Key Payroll Definitions

  • Gross Pay: The total amount of money an employee earns before any taxes or deductions are removed.
  • Federal Income Tax: A progressive tax withheld by the IRS based on your earnings and filing status.
  • FICA (Federal Insurance Contributions Act): This includes Social Security (6.2%) and Medicare (1.45%), totaling 7.65% for most employees.
  • Net Pay: Often called "take-home pay," this is the final amount you receive after all deductions.

Payroll Calculation Example

Suppose an employee earns a monthly gross salary of $5,000. Here is how a typical payroll breakdown might look:

Category Calculation Amount
Gross Pay Base Salary $5,000.00
Federal Tax (12%) $5,000 * 0.12 -$600.00
FICA (7.65%) $5,000 * 0.0765 -$382.50
Final Net Pay Result $4,017.50

Common Deductions to Consider

Beyond standard taxes, your payroll may include voluntary deductions. These can be "pre-tax" (reducing your taxable income) or "post-tax." Common examples include:

  • 401(k) or 403(b) Contributions: Retirement savings often deducted before income tax is applied.
  • Health Insurance Premiums: Your portion of medical, dental, or vision coverage.
  • HSA/FSA: Health Savings Accounts that allow you to set aside money for medical expenses tax-free.

Using an online payroll calculator allows you to experiment with these variables to see how changes in your withholdings or salary adjustments will impact your actual bank balance on payday.

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