New Jersey Paycheck Calculator

New Jersey Paycheck Calculator

Weekly Bi-weekly Semi-monthly Monthly

Federal Withholding Information (2024 Estimates)

Single Married Filing Jointly Head of Household

New Jersey Withholding Information (2024 Estimates)

Single Married Filing Jointly Head of Household Married Filing Separately

Deductions

function calculatePaycheck() { // Input values var annualSalary = parseFloat(document.getElementById('annualSalary').value); var payFrequencyMultiplier = parseFloat(document.getElementById('payFrequency').value); var federalFilingStatus = document.getElementById('federalFilingStatus').value; var federalOtherIncome = parseFloat(document.getElementById('federalOtherIncome').value); var federalDeductions = parseFloat(document.getElementById('federalDeductions').value); var federalCredits = parseFloat(document.getElementById('federalCredits').value); var njFilingStatus = document.getElementById('njFilingStatus').value; var njAllowances = parseInt(document.getElementById('njAllowances').value); var preTaxDeductionsAnnual = parseFloat(document.getElementById('preTaxDeductions').value); var postTaxDeductionsAnnual = parseFloat(document.getElementById('postTaxDeductions').value); // Validate inputs if (isNaN(annualSalary) || annualSalary < 0 || isNaN(federalOtherIncome) || federalOtherIncome < 0 || isNaN(federalDeductions) || federalDeductions < 0 || isNaN(federalCredits) || federalCredits < 0 || isNaN(njAllowances) || njAllowances < 0 || isNaN(preTaxDeductionsAnnual) || preTaxDeductionsAnnual < 0 || isNaN(postTaxDeductionsAnnual) || postTaxDeductionsAnnual additionalMedicareThreshold) { medicareTaxAnnual += (annualSalary – additionalMedicareThreshold) * ADDITIONAL_MEDICARE_RATE; } var socialSecurityTaxPerPeriod = socialSecurityTaxAnnual / PAY_PERIODS_YEAR; var medicareTaxPerPeriod = medicareTaxAnnual / PAY_PERIODS_YEAR; // — Federal Income Tax Calculation (Simplified W-4 approach) — var federalStandardDeduction = 0; if (federalFilingStatus === 'single') { federalStandardDeduction = 14600; } else if (federalFilingStatus === 'married') { federalStandardDeduction = 29200; } else if (federalFilingStatus === 'hoh') { federalStandardDeduction = 21900; } var federalTaxableIncome = taxableGrossFederalAnnual + federalOtherIncome – Math.max(federalStandardDeduction, federalDeductions); federalTaxableIncome = Math.max(0, federalTaxableIncome); // Cannot be negative var federalTaxAnnual = 0; var federalBrackets = []; if (federalFilingStatus === 'single') { federalBrackets = [ { rate: 0.10, cap: 11600 }, { rate: 0.12, cap: 47150 }, { rate: 0.22, cap: 100525 }, { rate: 0.24, cap: 191950 }, { rate: 0.32, cap: 243725 }, { rate: 0.35, cap: 609350 }, { rate: 0.37, cap: Infinity } ]; } else if (federalFilingStatus === 'married') { federalBrackets = [ { rate: 0.10, cap: 23200 }, { rate: 0.12, cap: 94300 }, { rate: 0.22, cap: 201050 }, { rate: 0.24, cap: 383900 }, { rate: 0.32, cap: 487450 }, { rate: 0.35, cap: 731200 }, { rate: 0.37, cap: Infinity } ]; } else if (federalFilingStatus === 'hoh') { federalBrackets = [ { rate: 0.10, cap: 16550 }, { rate: 0.12, cap: 63100 }, { rate: 0.22, cap: 100500 }, { rate: 0.24, cap: 191950 }, { rate: 0.32, cap: 243700 }, { rate: 0.35, cap: 609350 }, { rate: 0.37, cap: Infinity } ]; } var remainingTaxable = federalTaxableIncome; var previousCap = 0; for (var i = 0; i 0) { federalTaxAnnual += taxableInBracket * bracket.rate; remainingTaxable -= taxableInBracket; } previousCap = bracket.cap; if (remainingTaxable <= 0) break; } federalTaxAnnual -= federalCredits; // Apply credits federalTaxAnnual = Math.max(0, federalTaxAnnual); // Federal tax cannot be negative var federalTaxPerPeriod = federalTaxAnnual / PAY_PERIODS_YEAR; // — New Jersey State Income Tax Calculation — var njExemptionAmount = njAllowances * 1000; // Each allowance is $1,000 var njTaxableIncome = taxableGrossNJAnnual – njExemptionAmount; njTaxableIncome = Math.max(0, njTaxableIncome); var njTaxAnnual = 0; var njBrackets = []; // NJ 2024 Tax Brackets (simplified for common income ranges) if (njFilingStatus === 'single' || njFilingStatus === 'mfs') { njBrackets = [ { rate: 0.014, cap: 20000 }, { rate: 0.0175, cap: 35000 }, { rate: 0.035, cap: 40000 }, { rate: 0.05525, cap: 75000 }, { rate: 0.0637, cap: 150000 }, { rate: 0.0897, cap: 500000 }, { rate: 0.1075, cap: 1000000 }, { rate: 0.1075, cap: Infinity } // Over 1,000,000 ]; } else if (njFilingStatus === 'married' || njFilingStatus === 'hoh') { njBrackets = [ { rate: 0.014, cap: 20000 }, { rate: 0.0175, cap: 50000 }, { rate: 0.0245, cap: 70000 }, { rate: 0.035, cap: 80000 }, { rate: 0.05525, cap: 100000 }, { rate: 0.0637, cap: 150000 }, { rate: 0.0897, cap: 500000 }, { rate: 0.1075, cap: 1000000 }, { rate: 0.1075, cap: Infinity } // Over 1,000,000 ]; } var remainingNJTaxable = njTaxableIncome; var previousNJCap = 0; for (var j = 0; j 0) { njTaxAnnual += njTaxableInBracket * njBracket.rate; remainingNJTaxable -= njTaxableInBracket; } previousNJCap = njBracket.cap; if (remainingNJTaxable <= 0) break; } var njTaxPerPeriod = njTaxAnnual / PAY_PERIODS_YEAR; // — NJ State Disability/Unemployment Contributions — var njStateContributionsAnnual = 0; var njTaxableForStateContributions = Math.min(annualSalary, NJ_STATE_CONTRIB_WAGE_BASE); njStateContributionsAnnual += njTaxableForStateContributions * NJ_TDI_RATE; njStateContributionsAnnual += njTaxableForStateContributions * NJ_FLI_RATE; njStateContributionsAnnual += njTaxableForStateContributions * NJ_WDPF_RATE; var njStateContributionsPerPeriod = njStateContributionsAnnual / PAY_PERIODS_YEAR; // — Total Deductions and Net Pay — var totalDeductionsPerPeriod = federalTaxPerPeriod + socialSecurityTaxPerPeriod + medicareTaxPerPeriod + njTaxPerPeriod + njStateContributionsPerPeriod + preTaxDeductionsPerPeriod + postTaxDeductionsPerPeriod; var netPayPerPeriod = grossPayPerPeriod – totalDeductionsPerPeriod; // Format results var formatter = new Intl.NumberFormat('en-US', { style: 'currency', currency: 'USD', minimumFractionDigits: 2, maximumFractionDigits: 2 }); var payFrequencyText = ''; if (PAY_PERIODS_YEAR === 52) payFrequencyText = 'Weekly'; else if (PAY_PERIODS_YEAR === 26) payFrequencyText = 'Bi-weekly'; else if (PAY_PERIODS_YEAR === 24) payFrequencyText = 'Semi-monthly'; else if (PAY_PERIODS_YEAR === 12) payFrequencyText = 'Monthly'; var resultsHtml = '

Your Paycheck Breakdown (' + payFrequencyText + ')

'; resultsHtml += 'Gross Pay: ' + formatter.format(grossPayPerPeriod) + "; resultsHtml += '

Deductions:

'; resultsHtml += '
    '; resultsHtml += '
  • Federal Income Tax: ' + formatter.format(federalTaxPerPeriod) + '
    • '; resultsHtml += '
  • Social Security Tax: ' + formatter.format(socialSecurityTaxPerPeriod) + '
    • '; resultsHtml += '
  • Medicare Tax: ' + formatter.format(medicareTaxPerPeriod) + '
    • '; resultsHtml += '
  • NJ State Income Tax: ' + formatter.format(njTaxPerPeriod) + '
    • '; resultsHtml += '
  • NJ State Disability/Unemployment Contributions: ' + formatter.format(njStateContributionsPerPeriod) + '
    • '; resultsHtml += '
  • Pre-tax Deductions: ' + formatter.format(preTaxDeductionsPerPeriod) + '
    • '; resultsHtml += '
  • Post-tax Deductions: ' + formatter.format(postTaxDeductionsPerPeriod) + '
    • '; resultsHtml += '
'; resultsHtml += 'Total Deductions: ' + formatter.format(totalDeductionsPerPeriod) + "; resultsHtml += 'Net Pay: ' + formatter.format(netPayPerPeriod) + "; document.getElementById('result').innerHTML = resultsHtml; } .calculator-container { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f9f9f9; padding: 20px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); max-width: 600px; margin: 20px auto; } .calculator-container h2, .calculator-container h3 { color: #333; text-align: center; margin-bottom: 15px; } .calc-input-group { margin-bottom: 15px; display: flex; flex-direction: column; } .calc-input-group label { margin-bottom: 5px; font-weight: bold; color: #555; } .calc-input-group input[type="number"], .calc-input-group select { padding: 10px; border: 1px solid #ddd; border-radius: 4px; font-size: 16px; width: 100%; box-sizing: border-box; /* Ensure padding doesn't increase width */ } button { background-color: #007bff; color: white; padding: 12px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 18px; width: 100%; box-sizing: border-box; transition: background-color 0.3s ease; margin-top: 20px; } button:hover { background-color: #0056b3; } .calc-result { margin-top: 25px; padding: 15px; background-color: #e9f7ef; border: 1px solid #d4edda; border-radius: 4px; color: #155724; } .calc-result h3 { color: #155724; margin-top: 0; text-align: left; } .calc-result ul { list-style-type: none; padding: 0; } .calc-result ul li { margin-bottom: 5px; padding-left: 10px; position: relative; } .calc-result ul li::before { content: "•"; color: #155724; font-weight: bold; display: inline-block; width: 1em; margin-left: -1em; } .calc-result p { font-size: 1.1em; margin-top: 10px; } .calc-result p strong { color: #000; }

Understanding Your New Jersey Paycheck

Navigating the complexities of your paycheck can be challenging, especially with various federal and state deductions. Our New Jersey Paycheck Calculator is designed to help you estimate your take-home pay, providing a clear breakdown of your gross earnings, taxes, and other deductions specific to New Jersey residents.

How Your Paycheck is Calculated

Your net pay (what you actually take home) is determined by subtracting several deductions from your gross pay. Here's a look at the key components:

1. Gross Pay

This is your total earnings before any deductions. It's calculated based on your annual salary and your pay frequency (e.g., weekly, bi-weekly, semi-monthly, or monthly).

2. Pre-tax Deductions

These are deductions taken from your gross pay before taxes are calculated. Common examples include contributions to a 401(k) or 403(b) retirement plan, health insurance premiums, and Flexible Spending Accounts (FSAs). Pre-tax deductions reduce your taxable income, meaning you pay less in federal and state income taxes.

3. Federal Income Tax

The amount withheld for federal income tax depends on your annual income, filing status (Single, Married Filing Jointly, Head of Household), and any additional income, deductions, or credits you claim on your W-4 form. The calculator uses the latest 2024 tax brackets and standard deduction amounts to estimate this.

4. FICA Taxes (Social Security & Medicare)

  • Social Security: This is a flat 6.2% of your gross wages, up to an annual wage base limit ($168,600 for 2024). This tax funds retirement, disability, and survivor benefits.
  • Medicare: This is 1.45% of all your gross wages, with no wage base limit. An additional 0.9% Medicare tax applies to wages above certain thresholds ($200,000 for single filers, $250,000 for married filing jointly).

5. New Jersey State Income Tax

New Jersey has a progressive income tax system, meaning higher earners pay a higher percentage of their income in taxes. The amount withheld depends on your NJ taxable income (gross pay minus pre-tax deductions and NJ allowances) and your NJ filing status. Each allowance claimed on your NJ-W4 reduces your taxable income by $1,000.

6. New Jersey State Disability & Unemployment Contributions

New Jersey employees contribute to several state programs:

  • Temporary Disability Insurance (TDI): Provides temporary cash benefits to eligible workers who are unable to work due to a non-work-related illness or injury. (0.09% on wages up to $42,300 for 2024)
  • Family Leave Insurance (FLI): Provides temporary cash benefits to eligible workers who need to take time off to bond with a new child or care for a seriously ill family member. (0.08% on wages up to $42,300 for 2024)
  • Workforce Development Partnership Fund (WDPF): Supports job training and employment services. (0.0425% on wages up to $42,300 for 2024)

These contributions are typically small percentages of your wages, up to an annual wage base limit.

7. Post-tax Deductions

These deductions are taken from your pay after all taxes have been calculated and withheld. Examples include Roth 401(k) contributions, union dues, charitable contributions, or garnishments.

Using the Calculator

To use the New Jersey Paycheck Calculator, simply enter your annual gross salary, select your pay frequency, and provide your federal and New Jersey withholding information, including any pre-tax or post-tax deductions. The calculator will then provide an estimated breakdown of your net pay per pay period.

Important Considerations

  • Accuracy: This calculator provides estimates based on current tax laws (2024) and common assumptions. Your actual paycheck may vary due to specific employer benefits, additional local taxes (though rare in NJ), or unique tax situations.
  • W-4 Form: Ensure your W-4 (federal) and NJ-W4 (state) forms are up-to-date with your employer to ensure accurate withholding. Life events like marriage, birth of a child, or changes in income can impact your withholding needs.
  • Tax Planning: For personalized tax advice, always consult with a qualified financial advisor or tax professional.

By understanding these components, you can better manage your finances and ensure your paycheck accurately reflects your earnings and deductions.

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