Estimate your net pay for Alabama based on gross earnings and deductions.
Weekly
Bi-Weekly (Every 2 weeks)
Semi-Monthly (Twice a month)
Monthly
%Currently 6.2% on earnings up to the annual limit ($168,600 for 2024).
%Currently 1.45% with no income limit.
%Alabama has a flat state income tax rate. This is a simplified representation.
Your Estimated Net Pay
Gross Pay: —
Total Deductions: —
Estimated Net Pay: —
Understanding Your Alabama Paycheck
This calculator provides an estimate of your net pay (take-home pay) based on your gross earnings and common payroll deductions in Alabama. Payroll is a complex process, and this tool offers a simplified view. For precise figures, always refer to your official pay stub or consult with your HR/payroll department.
How it Works:
Your net pay is calculated by subtracting all deductions from your gross pay. The main deductions typically include:
Federal Income Tax: Calculated based on your gross pay, filing status, allowances claimed on Form W-4, and any additional withholding requested. This calculator uses a simplified method.
Social Security Tax: A federal tax at a rate of 6.2% on earnings up to an annual limit ($168,600 for 2024).
Medicare Tax: A federal tax at a rate of 1.45% on all earnings, with no income limit.
State Income Tax (Alabama): Alabama has a flat state income tax rate. This calculator uses the rate you input. Note that specific exemptions and deductions might apply in reality.
Pre-Tax Deductions: These are amounts subtracted from your gross pay before taxes are calculated. Common examples include contributions to 401(k) retirement plans, health insurance premiums, and flexible spending accounts (FSAs). Reducing your taxable income through pre-tax deductions can lower your overall tax burden.
Additional Withholding: Any extra amount you voluntarily choose to have withheld from each paycheck for federal or state taxes.
Key Input Fields Explained:
Gross Pay (Per Pay Period): The total amount you earn before any deductions.
Pay Frequency: How often you are paid (e.g., weekly, monthly). This is crucial for annualizing income for tax calculations.
Federal Withholding Allowances: A number you claim on your W-4 form that helps determine the amount of federal income tax withheld. More allowances generally mean less tax withheld.
Additional Federal Withholding: An extra dollar amount you request to be withheld from each paycheck.
Social Security & Medicare Tax Rates: Standard federal rates.
Alabama State Tax Rate: Alabama's flat income tax rate.
Pre-Tax Deductions: Contributions to benefits or retirement accounts deducted before taxes are applied.
Disclaimer:
This calculator is for informational and estimation purposes only. It does not constitute financial or tax advice. Tax laws and regulations can change, and individual circumstances vary. For accurate payroll and tax calculations, consult a qualified tax professional or refer to official resources like the IRS website and the Alabama Department of Revenue.
function calculatePaycheck() {
var grossPay = parseFloat(document.getElementById("grossPay").value);
var payFrequency = document.getElementById("payFrequency").value;
var federalAllowances = parseFloat(document.getElementById("federalWithholdingAllowances").value);
var additionalFederalW4 = parseFloat(document.getElementById("additionalFederalW4").value);
var ssTaxRate = parseFloat(document.getElementById("socialSecurityTaxRate").value) / 100;
var medicareTaxRate = parseFloat(document.getElementById("medicareTaxRate").value) / 100;
var alabamaStateTaxRate = parseFloat(document.getElementById("alabamaStateTaxRate").value) / 100;
var preTaxDeductions = parseFloat(document.getElementById("fithDeductions").value);
// — Input Validation —
if (isNaN(grossPay) || grossPay < 0) {
alert("Please enter a valid Gross Pay amount.");
return;
}
if (isNaN(federalAllowances) || federalAllowances < 0) {
alert("Please enter a valid number for Federal Withholding Allowances.");
return;
}
if (isNaN(additionalFederalW4) || additionalFederalW4 < 0) {
additionalFederalW4 = 0; // Treat invalid input as 0 for additional withholding
}
if (isNaN(preTaxDeductions) || preTaxDeductions < 0) {
preTaxDeductions = 0; // Treat invalid input as 0 for pre-tax deductions
}
// — Annualize for tax calculations —
var periodsPerYear;
if (payFrequency === "weekly") {
periodsPerYear = 52;
} else if (payFrequency === "bi-weekly") {
periodsPerYear = 26;
} else if (payFrequency === "semi-monthly") {
periodsPerYear = 24;
} else if (payFrequency === "monthly") {
periodsPerYear = 12;
} else {
periodsPerYear = 1; // Default if unknown frequency
}
var annualGrossPay = grossPay * periodsPerYear;
// — Calculate Pre-Tax Deductions Impact —
var taxableIncome = annualGrossPay – preTaxDeductions;
if (taxableIncome 45000) { // Example bracket threshold for single filer approx.
taxRateEstimate = 0.12;
}
if (taxableIncome > 95000) { // Example bracket threshold for single filer approx.
taxRateEstimate = 0.22;
}
// Adjust based on allowances (very simplified – more allowances mean less tax)
var allowanceFactor = federalAllowances * 100; // Very rough estimate of tax reduction per allowance
var estimatedAnnualFederalTax = (taxableIncome * taxRateEstimate) – allowanceFactor;
if (estimatedAnnualFederalTax < 0) estimatedAnnualFederalTax = 0;
var annualFederalTaxWithAdditional = estimatedAnnualFederalTax + (additionalFederalW4 * periodsPerYear);
var federalIncomeTaxPerPaycheck = annualFederalTaxWithAdditional / periodsPerYear;
// — Social Security Tax Calculation —
var ssTaxableLimit = 168600; // 2024 limit
var annualSsTax = Math.min(taxableIncome, ssTaxableLimit) * ssTaxRate;
var ssTaxPerPaycheck = annualSsTax / periodsPerYear;
// — Medicare Tax Calculation —
var annualMedicareTax = taxableIncome * medicareTaxRate;
var medicareTaxPerPaycheck = annualMedicareTax / periodsPerYear;
// — Alabama State Tax Calculation —
// Alabama has a flat rate, but also exemptions. Simplified:
var alabamaTaxableIncome = annualGrossPay; // Simplified: assume state tax is on gross pay before pre-tax deductions for simplicity here
// Note: Real Alabama tax calculation involves exemptions which are complex to model accurately without more W-4 info.
var annualAlabamaTax = alabamaTaxableIncome * alabamaStateTaxRate;
var alabamaTaxPerPaycheck = annualAlabamaTax / periodsPerYear;
// — Total Deductions —
var totalDeductionsPerPaycheck = preTaxDeductions + federalIncomeTaxPerPaycheck + ssTaxPerPaycheck + medicareTaxPerPaycheck + alabamaTaxPerPaycheck;
// — Net Pay Calculation —
var netPay = grossPay – totalDeductionsPerPaycheck;
// — Display Results —
document.getElementById("displayGrossPay").textContent = "$" + grossPay.toFixed(2);
document.getElementById("displayTotalDeductions").textContent = "$" + totalDeductionsPerPaycheck.toFixed(2);
document.getElementById("netPay").textContent = "$" + netPay.toFixed(2);
}