Paycheck Calculator Hawaii

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Hawaii Paycheck Calculator

Bi-Weekly (26x per year) Weekly (52x per year) Semi-Monthly (24x per year) Monthly (12x per year)

Federal Withholding

Single Married Filing Jointly Head of Household
(For simplified calculation, each allowance reduces taxable income for withholding. Modern W-4s use a different method.)

Hawaii State Withholding

Single / Married Filing Separately / Head of Household Married Filing Jointly / Qualifying Widow(er)

Deductions

Your Estimated Paycheck

Gross Pay: $0.00

Federal Income Tax: $0.00

Social Security Tax: $0.00

Medicare Tax: $0.00

Hawaii State Income Tax: $0.00

Hawaii TDI: $0.00

Pre-Tax Deductions: $0.00

Post-Tax Deductions: $0.00

Total Deductions: $0.00

Net Pay: $0.00

Understanding Your Hawaii Paycheck

Navigating your paycheck can be complex, especially with various federal and state taxes and deductions. Our Hawaii Paycheck Calculator helps you estimate your net pay by factoring in common withholdings specific to Hawaii.

How Your Paycheck is Calculated

Your gross pay is the total amount you earn before any deductions. From this, several mandatory and optional deductions are subtracted to arrive at your net pay (the amount you actually take home).

1. Federal Income Tax

This is a progressive tax levied by the U.S. government. The amount withheld depends on your gross income, filing status (Single, Married Filing Jointly, Head of Household), and the number of dependents/allowances you claim on your W-4 form. Our calculator uses a simplified method to estimate this based on current tax brackets and a common allowance value for withholding purposes.

2. FICA Taxes (Social Security & Medicare)

  • Social Security: This tax funds benefits for retirees, disabled workers, and survivors. Employees contribute 6.2% of their gross wages up to an annual wage base limit ($168,600 for 2024).
  • Medicare: This tax funds health insurance for the elderly and disabled. Employees contribute 1.45% of all gross wages, with no wage base limit. An additional Medicare tax of 0.9% applies to wages exceeding $200,000 for single filers or $250,000 for married filing jointly.

3. Hawaii State Income Tax

Hawaii has its own progressive income tax system. The amount withheld depends on your gross income, Hawaii filing status, and the number of allowances you claim. Hawaii's tax brackets and exemption amounts are unique to the state.

4. Hawaii Temporary Disability Insurance (TDI)

Hawaii is one of a few states that requires employers to provide Temporary Disability Insurance. This provides partial wage replacement to eligible employees who are unable to work due to a non-work-related injury or illness. Employees may contribute up to 0.5% of their weekly wages, capped at a maximum amount per week ($6.04 per week for 2024).

5. Pre-Tax Deductions

These are deductions taken from your gross pay before taxes are calculated, effectively reducing your taxable income. Common examples include contributions to a 401(k) or 403(b) retirement plan, health insurance premiums, and Flexible Spending Account (FSA) contributions.

6. Post-Tax Deductions

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

Example Calculation:

Let's consider an individual in Hawaii earning $2,000 bi-weekly, filing as Single with 1 federal and 1 Hawaii allowance, and contributing $100 bi-weekly to a pre-tax 401(k).

  • Gross Pay: $2,000.00
  • Annual Gross Pay: $2,000 * 26 = $52,000
  • Annual Pre-Tax Deductions: $100 * 26 = $2,600
  • Annual Taxable Income (Federal & Hawaii): $52,000 – $2,600 = $49,400
  • Estimated Federal Income Tax: ~$300.00 (varies based on exact method)
  • Social Security Tax: $2,000 * 0.062 = $124.00
  • Medicare Tax: $2,000 * 0.0145 = $29.00
  • Estimated Hawaii State Income Tax: ~$60.00 (varies based on exact method)
  • Hawaii TDI: $2,000 * 0.005 = $10.00 (capped at $6.04/week, so $12.08 bi-weekly) -> $10.00 (since $10 is less than $12.08)
  • Pre-Tax Deductions: $100.00
  • Total Deductions: ~$300 (Fed Tax) + $124 (SS) + $29 (Med) + ~$60 (HI Tax) + $10 (TDI) + $100 (Pre-Tax) = ~$623.00
  • Net Pay: $2,000 – $623 = ~$1,377.00

(Note: These are approximate values for illustration. Use the calculator for precise estimates based on your inputs.)

function calculatePaycheck() { // Input values var grossPayPerPeriod = parseFloat(document.getElementById("grossPayPerPeriod").value); var payFrequency = document.getElementById("payFrequency").value; var federalFilingStatus = document.getElementById("federalFilingStatus").value; var federalAllowances = parseInt(document.getElementById("federalAllowances").value); var hawaiiFilingStatus = document.getElementById("hawaiiFilingStatus").value; var hawaiiAllowances = parseInt(document.getElementById("hawaiiAllowances").value); var preTaxDeductions = parseFloat(document.getElementById("preTaxDeductions").value); var postTaxDeductions = parseFloat(document.getElementById("postTaxDeductions").value); var additionalFederalWithholding = parseFloat(document.getElementById("additionalFederalWithholding").value); var additionalStateWithholding = parseFloat(document.getElementById("additionalStateWithholding").value); // Validate inputs if (isNaN(grossPayPerPeriod) || grossPayPerPeriod < 0) { alert("Please enter a valid Gross Pay per Pay Period."); return; } if (isNaN(federalAllowances) || federalAllowances < 0) { alert("Please enter a valid number for Federal Dependents/Allowances."); return; } if (isNaN(hawaiiAllowances) || hawaiiAllowances < 0) { alert("Please enter a valid number for Hawaii Allowances."); return; } if (isNaN(preTaxDeductions) || preTaxDeductions < 0) { alert("Please enter a valid amount for Pre-Tax Deductions."); return; } if (isNaN(postTaxDeductions) || postTaxDeductions < 0) { alert("Please enter a valid amount for Post-Tax Deductions."); return; } if (isNaN(additionalFederalWithholding) || additionalFederalWithholding < 0) { alert("Please enter a valid amount for Additional Federal Withholding."); return; } if (isNaN(additionalStateWithholding) || additionalStateWithholding < 0) { alert("Please enter a valid amount for Additional Hawaii Withholding."); return; } // Pay Frequency Multiplier var payFrequencyMultiplier; switch (payFrequency) { case "weekly": payFrequencyMultiplier = 52; break; case "bi-weekly": payFrequencyMultiplier = 26; break; case "semi-monthly": payFrequencyMultiplier = 24; break; case "monthly": payFrequencyMultiplier = 12; break; default: payFrequencyMultiplier = 26; // Default to bi-weekly } // Annual Calculations var annualGrossPay = grossPayPerPeriod * payFrequencyMultiplier; var annualPreTaxDeductions = preTaxDeductions * payFrequencyMultiplier; // Taxable Income var annualFederalTaxableIncome = annualGrossPay – annualPreTaxDeductions; var annualHawaiiTaxableIncome = annualGrossPay – annualPreTaxDeductions; // — Federal Taxes — var federalTax = 0; var socialSecurityTax = 0; var medicareTax = 0; // Social Security Tax (6.2% up to $168,600 for 2024) var ssWageBaseLimit = 168600; // 2024 limit socialSecurityTax = Math.min(annualGrossPay, ssWageBaseLimit) * 0.062; // Medicare Tax (1.45% + 0.9% for high earners) medicareTax = annualGrossPay * 0.0145; var additionalMedicareThresholdSingle = 200000; var additionalMedicareThresholdMarried = 250000; var additionalMedicareThresholdHoH = 200000; // Same as single for this threshold var additionalMedicareTaxableIncome = 0; if (federalFilingStatus === "single" || federalFilingStatus === "hoh") { additionalMedicareTaxableIncome = Math.max(0, annualGrossPay – additionalMedicareThresholdSingle); } else if (federalFilingStatus === "married") { additionalMedicareTaxableIncome = Math.max(0, annualGrossPay – additionalMedicareThresholdMarried); } medicareTax += additionalMedicareTaxableIncome * 0.009; // Federal Income Tax (Simplified Percentage Method based on 2024 brackets) // This is a simplified approximation for a calculator, not the exact IRS withholding tables. var federalAllowanceValue = 4700; // Simplified value per allowance for withholding estimation var federalTaxableIncomeForWithholding = annualFederalTaxableIncome – (federalAllowances * federalAllowanceValue); if (federalTaxableIncomeForWithholding < 0) federalTaxableIncomeForWithholding = 0; federalTax = calculateFederalTax(federalTaxableIncomeForWithholding, federalFilingStatus); federalTax += additionalFederalWithholding * payFrequencyMultiplier; // Add additional withholding annually // — Hawaii State Taxes — var hawaiiStateTax = 0; var hawaiiTDI = 0; // Hawaii State Income Tax (Simplified based on 2023/2024 brackets) var hawaiiExemptionValue = 1144; // 2023/2024 exemption amount per allowance var hawaiiTaxableIncomeAfterAllowances = annualHawaiiTaxableIncome – (hawaiiAllowances * hawaiiExemptionValue); if (hawaiiTaxableIncomeAfterAllowances < 0) hawaiiTaxableIncomeAfterAllowances = 0; hawaiiStateTax = calculateHawaiiStateTax(hawaiiTaxableIncomeAfterAllowances, hawaiiFilingStatus); hawaiiStateTax += additionalStateWithholding * payFrequencyMultiplier; // Add additional withholding annually // Hawaii TDI (Temporary Disability Insurance) var hawaiiTDIcapPerWeek = 6.04; // 2024 cap var hawaiiTDIannualCap = hawaiiTDIcapPerWeek * 52; var annualHawaiiTDI = Math.min(annualGrossPay * 0.005, hawaiiTDIannualCap); // — Per Pay Period Calculations — var federalTaxPerPeriod = federalTax / payFrequencyMultiplier; var socialSecurityTaxPerPeriod = socialSecurityTax / payFrequencyMultiplier; var medicareTaxPerPeriod = medicareTax / payFrequencyMultiplier; var hawaiiStateTaxPerPeriod = hawaiiStateTax / payFrequencyMultiplier; var hawaiiTDIPerPeriod = annualHawaiiTDI / payFrequencyMultiplier; // Total Deductions var totalDeductions = federalTaxPerPeriod + socialSecurityTaxPerPeriod + medicareTaxPerPeriod + hawaiiStateTaxPerPeriod + hawaiiTDIPerPeriod + preTaxDeductions + postTaxDeductions; // Net Pay var netPay = grossPayPerPeriod – totalDeductions; // Display Results document.getElementById("displayGrossPay").innerText = "$" + grossPayPerPeriod.toFixed(2); document.getElementById("displayFederalTax").innerText = "$" + federalTaxPerPeriod.toFixed(2); document.getElementById("displaySSTax").innerText = "$" + socialSecurityTaxPerPeriod.toFixed(2); document.getElementById("displayMedicareTax").innerText = "$" + medicareTaxPerPeriod.toFixed(2); document.getElementById("displayHawaiiStateTax").innerText = "$" + hawaiiStateTaxPerPeriod.toFixed(2); document.getElementById("displayHawaiiTDI").innerText = "$" + hawaiiTDIPerPeriod.toFixed(2); document.getElementById("displayPreTaxDeductions").innerText = "$" + preTaxDeductions.toFixed(2); document.getElementById("displayPostTaxDeductions").innerText = "$" + postTaxDeductions.toFixed(2); document.getElementById("displayTotalDeductions").innerText = "$" + totalDeductions.toFixed(2); document.getElementById("displayNetPay").innerText = "$" + netPay.toFixed(2); } // Helper function for federal tax calculation (2024 brackets) function calculateFederalTax(annualTaxableIncome, filingStatus) { var tax = 0; if (annualTaxableIncome < 0) annualTaxableIncome = 0; if (filingStatus === "single") { if (annualTaxableIncome <= 11600) { tax = annualTaxableIncome * 0.10; } else if (annualTaxableIncome <= 47150) { tax = 1160 + (annualTaxableIncome – 11600) * 0.12; } else if (annualTaxableIncome <= 100525) { tax = 5426 + (annualTaxableIncome – 47150) * 0.22; } else if (annualTaxableIncome <= 191950) { tax = 17167.50 + (annualTaxableIncome – 100525) * 0.24; } else if (annualTaxableIncome <= 243725) { tax = 39115.50 + (annualTaxableIncome – 191950) * 0.32; } else if (annualTaxableIncome <= 609350) { tax = 55678.50 + (annualTaxableIncome – 243725) * 0.35; } else { tax = 183647.25 + (annualTaxableIncome – 609350) * 0.37; } } else if (filingStatus === "married") { if (annualTaxableIncome <= 23200) { tax = annualTaxableIncome * 0.10; } else if (annualTaxableIncome <= 94300) { tax = 2320 + (annualTaxableIncome – 23200) * 0.12; } else if (annualTaxableIncome <= 201050) { tax = 10852 + (annualTaxableIncome – 94300) * 0.22; } else if (annualTaxableIncome <= 383900) { tax = 34337 + (annualTaxableIncome – 201050) * 0.24; } else if (annualTaxableIncome <= 487450) { tax = 78221 + (annualTaxableIncome – 383900) * 0.32; } else if (annualTaxableIncome <= 731200) { tax = 111357 + (annualTaxableIncome – 487450) * 0.35; } else { tax = 195464.50 + (annualTaxableIncome – 731200) * 0.37; } } else if (filingStatus === "hoh") { // Head of Household if (annualTaxableIncome <= 16550) { tax = annualTaxableIncome * 0.10; } else if (annualTaxableIncome <= 63100) { tax = 1655 + (annualTaxableIncome – 16550) * 0.12; } else if (annualTaxableIncome <= 100500) { tax = 7265 + (annualTaxableIncome – 63100) * 0.22; } else if (annualTaxableIncome <= 191950) { tax = 15473 + (annualTaxableIncome – 100500) * 0.24; } else if (annualTaxableIncome <= 243700) { tax = 37025 + (annualTaxableIncome – 191950) * 0.32; } else if (annualTaxableIncome <= 609350) { tax = 53577 + (annualTaxableIncome – 243700) * 0.35; } else { tax = 179699.50 + (annualTaxableIncome – 609350) * 0.37; } } return Math.max(0, tax); } // Helper function for Hawaii state tax calculation (2023/2024 brackets) function calculateHawaiiStateTax(annualTaxableIncome, hawaiiFilingStatus) { var tax = 0; if (annualTaxableIncome < 0) annualTaxableIncome = 0; if (hawaiiFilingStatus === "single") { // Single, Married Filing Separately, Head of Household if (annualTaxableIncome <= 2400) { tax = annualTaxableIncome * 0.014; } else if (annualTaxableIncome <= 4800) { tax = 33.60 + (annualTaxableIncome – 2400) * 0.032; } else if (annualTaxableIncome <= 9600) { tax = 110.40 + (annualTaxableIncome – 4800) * 0.055; } else if (annualTaxableIncome <= 14400) { tax = 374.40 + (annualTaxableIncome – 9600) * 0.064; } else if (annualTaxableIncome <= 19200) { tax = 681.60 + (annualTaxableIncome – 14400) * 0.068; } else if (annualTaxableIncome <= 24000) { tax = 1008.00 + (annualTaxableIncome – 19200) * 0.072; } else if (annualTaxableIncome <= 36000) { tax = 1353.60 + (annualTaxableIncome – 24000) * 0.076; } else if (annualTaxableIncome <= 48000) { tax = 2269.60 + (annualTaxableIncome – 36000) * 0.079; } else if (annualTaxableIncome <= 150000) { tax = 3217.60 + (annualTaxableIncome – 48000) * 0.0825; } else if (annualTaxableIncome <= 175000) { tax = 11642.60 + (annualTaxableIncome – 150000) * 0.09; } else if (annualTaxableIncome <= 200000) { tax = 13892.60 + (annualTaxableIncome – 175000) * 0.10; } else { tax = 16392.60 + (annualTaxableIncome – 200000) * 0.11; } } else if (hawaiiFilingStatus === "married") { // Married Filing Jointly, Qualifying Widow(er) if (annualTaxableIncome <= 4800) { tax = annualTaxableIncome * 0.014; } else if (annualTaxableIncome <= 9600) { tax = 67.20 + (annualTaxableIncome – 4800) * 0.032; } else if (annualTaxableIncome <= 19200) { tax = 220.80 + (annualTaxableIncome – 9600) * 0.055; } else if (annualTaxableIncome <= 28800) { tax = 748.80 + (annualTaxableIncome – 19200) * 0.064; } else if (annualTaxableIncome <= 38400) { tax = 1363.20 + (annualTaxableIncome – 28800) * 0.068; } else if (annualTaxableIncome <= 48000) { tax = 2016.00 + (annualTaxableIncome – 38400) * 0.072; } else if (annualTaxableIncome <= 72000) { tax = 2707.20 + (annualTaxableIncome – 48000) * 0.076; } else if (annualTaxableIncome <= 96000) { tax = 4539.20 + (annualTaxableIncome – 72000) * 0.079; } else if (annualTaxableIncome <= 300000) { tax = 6435.20 + (annualTaxableIncome – 96000) * 0.0825; } else if (annualTaxableIncome <= 350000) { tax = 23285.20 + (annualTaxableIncome – 300000) * 0.09; } else if (annualTaxableIncome <= 400000) { tax = 27785.20 + (annualTaxableIncome – 350000) * 0.10; } else { tax = 32785.20 + (annualTaxableIncome – 400000) * 0.11; } } return Math.max(0, tax); } // Run calculation on page load with default values window.onload = calculatePaycheck;

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