.calculator-container {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background-color: #f9f9f9;
padding: 25px;
border-radius: 10px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
max-width: 600px;
margin: 30px auto;
border: 1px solid #e0e0e0;
}
.calculator-container h2 {
text-align: center;
color: #333;
margin-bottom: 25px;
font-size: 1.8em;
}
.calculator-content {
display: flex;
flex-direction: column;
}
.input-group {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 15px;
padding: 8px;
background-color: #fff;
border-radius: 5px;
border: 1px solid #ddd;
}
.input-group label {
flex: 1;
color: #555;
font-size: 1em;
margin-right: 15px;
}
.input-group input[type="number"],
.input-group select {
flex: 1.2;
padding: 10px;
border: 1px solid #ccc;
border-radius: 5px;
font-size: 1em;
color: #333;
-moz-appearance: textfield; /* Firefox */
}
.input-group input[type="number"]::-webkit-outer-spin-button,
.input-group input[type="number"]::-webkit-inner-spin-button {
-webkit-appearance: none;
margin: 0;
}
.calculate-button {
background-color: #007bff;
color: white;
padding: 12px 25px;
border: none;
border-radius: 5px;
cursor: pointer;
font-size: 1.1em;
margin-top: 20px;
transition: background-color 0.3s ease, transform 0.2s ease;
align-self: center;
width: 100%;
max-width: 250px;
}
.calculate-button:hover {
background-color: #0056b3;
transform: translateY(-2px);
}
.result-group {
background-color: #e9f7ef;
border: 1px solid #d4edda;
border-radius: 8px;
padding: 20px;
margin-top: 30px;
}
.result-group h3 {
color: #28a745;
margin-top: 0;
margin-bottom: 15px;
font-size: 1.5em;
text-align: center;
}
.result-group p {
display: flex;
justify-content: space-between;
padding: 8px 0;
border-bottom: 1px dashed #c3e6cb;
margin: 0;
font-size: 1.05em;
color: #333;
}
.result-group p:last-of-type {
border-bottom: none;
}
.result-group span {
font-weight: bold;
color: #0056b3;
}
.net-pay {
font-size: 1.3em !important;
font-weight: bold;
color: #28a745 !important;
margin-top: 15px !important;
border-top: 2px solid #28a745 !important;
padding-top: 15px !important;
}
.net-pay span {
color: #28a745 !important;
}
@media (max-width: 480px) {
.input-group {
flex-direction: column;
align-items: flex-start;
}
.input-group label {
margin-bottom: 5px;
width: 100%;
}
.input-group input[type="number"],
.input-group select {
width: 100%;
}
}
function calculatePayrollUtah() {
// Constants for 2024 (approximate for calculator purposes)
var SS_RATE = 0.062;
var MEDICARE_RATE = 0.0145;
var UTAH_STATE_TAX_RATE = 0.0485;
var SS_WAGE_BASE_2024 = 168600; // Social Security wage base limit
// Get input values
var hourlyWage = parseFloat(document.getElementById("hourlyWage").value) || 0;
var hoursPerPeriod = parseFloat(document.getElementById("hoursPerPeriod").value) || 0;
var payPeriod = document.getElementById("payPeriod").value;
var preTax401k = parseFloat(document.getElementById("preTax401k").value) || 0;
var preTaxHealth = parseFloat(document.getElementById("preTaxHealth").value) || 0;
var filingStatus = document.getElementById("filingStatus").value;
var additionalFederalWithholding = parseFloat(document.getElementById("additionalFederalWithholding").value) || 0;
// Determine pay periods per year
var payPeriodsPerYear;
if (payPeriod === "Weekly") {
payPeriodsPerYear = 52;
} else if (payPeriod === "Bi-weekly") {
payPeriodsPerYear = 26;
} else if (payPeriod === "Semi-monthly") {
payPeriodsPerYear = 24;
} else if (payPeriod === "Monthly") {
payPeriodsPerYear = 12;
} else {
payPeriodsPerYear = 26; // Default to bi-weekly
}
// 1. Calculate Gross Pay
var grossPay = hourlyWage * hoursPerPeriod;
// 2. Calculate Total Pre-tax Deductions
var totalPreTaxDeductions = preTax401k + preTaxHealth;
// 3. Calculate Taxable Gross
var taxableGross = grossPay – totalPreTaxDeductions;
if (taxableGross < 0) taxableGross = 0; // Ensure taxable gross isn't negative
// 4. Calculate Social Security Tax (OASDI)
// This calculator assumes the annual wage base limit is applied cumulatively.
// For a single pay period, we apply the limit proportionally.
var annualTaxableGrossForSS = taxableGross * payPeriodsPerYear;
var socialSecurityTaxable = Math.min(annualTaxableGrossForSS, SS_WAGE_BASE_2024) / payPeriodsPerYear;
var socialSecurityTax = socialSecurityTaxable * SS_RATE;
// 5. Calculate Medicare Tax (HI)
var medicareTax = taxableGross * MEDICARE_RATE;
// 6. Calculate Utah State Income Tax
var utahStateTax = taxableGross * UTAH_STATE_TAX_RATE;
// 7. Calculate Federal Income Tax (FIT) – Simplified 2024 Brackets
var annualTaxableGrossForFIT = taxableGross * payPeriodsPerYear;
var standardDeduction;
if (filingStatus === "Single") {
standardDeduction = 14600;
} else { // Married Filing Jointly
standardDeduction = 29200;
}
var taxableIncomeForFIT = Math.max(0, annualTaxableGrossForFIT – standardDeduction);
var federalTaxAnnual = 0;
if (filingStatus === "Single") {
if (taxableIncomeForFIT <= 11600) {
federalTaxAnnual = taxableIncomeForFIT * 0.10;
} else if (taxableIncomeForFIT <= 47150) {
federalTaxAnnual = 1160 + (taxableIncomeForFIT – 11600) * 0.12;
} else if (taxableIncomeForFIT <= 100525) {
federalTaxAnnual = 5426 + (taxableIncomeForFIT – 47150) * 0.22;
} else if (taxableIncomeForFIT <= 191950) {
federalTaxAnnual = 17167.50 + (taxableIncomeForFIT – 100525) * 0.24;
} else { // Simplified up to 32% bracket
federalTaxAnnual = 39111.50 + (taxableIncomeForFIT – 191950) * 0.32;
}
} else { // Married Filing Jointly
if (taxableIncomeForFIT <= 23200) {
federalTaxAnnual = taxableIncomeForFIT * 0.10;
} else if (taxableIncomeForFIT <= 94300) {
federalTaxAnnual = 2320 + (taxableIncomeForFIT – 23200) * 0.12;
} else if (taxableIncomeForFIT <= 201050) {
federalTaxAnnual = 10852 + (taxableIncomeForFIT – 94300) * 0.22;
} else if (taxableIncomeForFIT <= 383900) {
federalTaxAnnual = 34335 + (taxableIncomeForFIT – 201050) * 0.24;
} else { // Simplified up to 32% bracket
federalTaxAnnual = 78223 + (taxableIncomeForFIT – 383900) * 0.32;
}
}
var federalTax = (federalTaxAnnual / payPeriodsPerYear) + additionalFederalWithholding;
if (federalTax < 0) federalTax = 0; // Federal tax cannot be negative
// 8. Calculate Total Taxes
var totalTaxes = federalTax + socialSecurityTax + medicareTax + utahStateTax;
// 9. Calculate Net Pay
var netPay = grossPay – totalPreTaxDeductions – totalTaxes;
// Display results
document.getElementById("grossPayResult").innerText = "$" + grossPay.toFixed(2);
document.getElementById("preTaxDeductionsResult").innerText = "$" + totalPreTaxDeductions.toFixed(2);
document.getElementById("taxableGrossResult").innerText = "$" + taxableGross.toFixed(2);
document.getElementById("federalTaxResult").innerText = "$" + federalTax.toFixed(2);
document.getElementById("socialSecurityTaxResult").innerText = "$" + socialSecurityTax.toFixed(2);
document.getElementById("medicareTaxResult").innerText = "$" + medicareTax.toFixed(2);
document.getElementById("utahStateTaxResult").innerText = "$" + utahStateTax.toFixed(2);
document.getElementById("totalTaxesResult").innerText = "$" + totalTaxes.toFixed(2);
document.getElementById("netPayResult").innerText = "$" + netPay.toFixed(2);
}
// Run calculation on page load for initial values
window.onload = calculatePayrollUtah;
Understanding Your Paycheck: A Utah Payroll Guide
Navigating your paycheck can sometimes feel like deciphering a complex code. Our Utah Payroll Calculator is designed to help you understand how your gross earnings translate into your net pay, taking into account federal and state taxes, as well as common pre-tax deductions specific to Utah residents.
How the Utah Payroll Calculator Works
This calculator estimates your take-home pay per pay period by breaking down your earnings and deductions. Here's a look at the key components:
1. Gross Pay
This is your total earnings before any deductions. For hourly employees, it's calculated by multiplying your hourly wage by the number of hours worked in a pay period. For salaried employees, it's your annual salary divided by the number of pay periods in a year.
Example: If you earn $25/hour and work 80 hours bi-weekly, your gross pay is $25 * 80 = $2,000.
2. Pre-tax Deductions
These are amounts subtracted from your gross pay before taxes are calculated, which can lower your taxable income. Common pre-tax deductions include:
- 401(k) Contributions: Money you contribute to a retirement plan.
- Health Insurance Premiums: Your share of health, dental, or vision insurance costs.
Example: If your gross pay is $2,000, and you contribute $100 to your 401(k) and $50 for health insurance, your total pre-tax deductions are $150.
3. Taxable Gross
This is the amount of your income subject to taxes. It's calculated by subtracting your total pre-tax deductions from your gross pay.
Example: With a gross pay of $2,000 and $150 in pre-tax deductions, your taxable gross is $2,000 – $150 = $1,850.
4. Federal Taxes
These are taxes levied by the U.S. government, including:
- Federal Income Tax (FIT): This is a progressive tax based on your income, filing status (e.g., Single, Married Filing Jointly), and other factors from your W-4 form. Our calculator uses simplified 2024 tax brackets and standard deductions for estimation.
- Social Security Tax (OASDI): This funds retirement, disability, and survivor benefits. The current rate is 6.2% of your taxable gross income, up to an annual wage base limit ($168,600 for 2024).
- Medicare Tax (HI): This funds hospital insurance for the elderly and disabled. The current rate is 1.45% of your taxable gross income, with no wage base limit.
Example (simplified): On a taxable gross of $1,850 bi-weekly, you might see approximately $150-$250 for Federal Income Tax, $114.70 for Social Security ($1850 * 0.062), and $26.83 for Medicare ($1850 * 0.0145).
5. Utah State Income Tax
Utah has a flat income tax rate. As of 2024, the state income tax rate is 4.85% of your taxable gross income. This is a straightforward calculation compared to federal taxes.
Example: With a taxable gross of $1,850, your Utah State Income Tax would be $1,850 * 0.0485 = $89.73.
6. Net Pay (Take-Home Pay)
This is the amount of money you actually receive after all deductions and taxes have been subtracted from your gross pay. It's your gross pay minus pre-tax deductions and all federal and state taxes.
Example: If your gross pay is $2,000, pre-tax deductions are $150, and total taxes are $450 (hypothetical sum of federal and state taxes), your net pay would be $2,000 – $150 – $450 = $1,400.
Important Considerations
- Accuracy: This calculator provides estimates based on current tax laws and common deductions. Your actual paycheck may vary due to specific employer benefits, additional deductions (like union dues, garnishments, or post-tax contributions), and the precise way your employer calculates withholding.
- W-4 Form: The accuracy of your Federal Income Tax withholding heavily depends on how you filled out your W-4 form. Reviewing and updating your W-4, especially after life changes, can help ensure your withholding is correct.
- Annual Limits: Remember that Social Security has an annual wage base limit. Once your year-to-date earnings exceed this limit, you will no longer have Social Security tax withheld for the remainder of the year.
Use this calculator as a helpful tool to better understand your Utah paycheck, but always refer to your official pay stubs for exact figures.