Louisiana Hourly Paycheck Calculator: How It Works

This calculator estimates your net take-home pay for an hourly wage in Louisiana after federal and state withholdings. You enter your hourly rate, hours worked per pay period, filing status, and pay frequency, and it returns your estimated net paycheck, along with the amounts withheld for federal income tax, Social Security, Medicare, and Louisiana state income tax. The result is an estimate, not a guarantee, because actual withholdings depend on your W-4 settings and employer-specific deductions.

Formula

The calculator uses a simplified model of payroll withholding. The gross pay is your hourly rate multiplied by the number of hours worked in the pay period. From that, it subtracts:

• FICA (Social Security + Medicare): 7.65% of gross pay (6.2% Social Security + 1.45% Medicare).
• Federal income tax: estimated at 10% of gross pay for the default example, which approximates a single filer with 2 allowances in the lowest bracket. Actual withholding uses IRS Publication 15-T tables and your W-4.
• Louisiana state income tax: estimated at 1.8% of gross pay, reflecting the state’s lowest marginal rate of 1.85% (rounded for simplicity). Louisiana uses a progressive tax with rates from 1.85% to 4.25% for 2025.

Net pay = Gross pay – FICA – Federal withholding – State withholding.

Worked Example

Using the default values: hourly wage $18.00, 80 hours per pay period, biweekly frequency, single filing status, 2 allowances.

1. Gross pay = $18.00 × 80 = $1,440.00
2. FICA = $1,440.00 × 0.0765 = $110.16
3. Federal tax (est.) = $1,440.00 × 0.10 = $144.00
4. State tax (est.) = $1,440.00 × 0.018 = $25.92
5. Net pay = $1,440.00 – $110.16 – $144.00 – $25.92 = $1,159.92

The calculator rounds to two decimals and displays $1,159.92 as the headline answer.

How Louisiana State Income Tax Works

Louisiana is a state that taxes wages, but it has a relatively low burden compared to many states. As of 2025, the state uses a flat tax rate of 3% on taxable income (after a 2024 tax reform that replaced the previous three-bracket system). However, the standard deduction and personal exemptions are generous, so many low- and middle-income earners owe little or no state tax. The calculator’s 1.8% estimate is a rough average for a single filer earning around $18/hour; actual withholding depends on your total income, deductions, and credits. For a more precise figure, use the Louisiana withholding tables provided by the Louisiana Department of Revenue.

Federal Withholding and Your W-4

Federal income tax withholding is determined by the W-4 form you give your employer. The 2020 W-4 uses a five-step process: filing status, multiple jobs, dependents, other income, and deductions. The old “allowances” system was replaced, but many calculators still use it for simplicity. The 10% rate in this calculator approximates a single filer with no dependents and no additional adjustments, but if you have children or itemize deductions, your withholding will be lower. To get an exact number, use the IRS Tax Withholding Estimator or consult your payroll department.

Common Mistakes and How to Avoid Them

• Mixing up gross and net pay: The calculator returns net pay after deductions, not the amount on your offer letter.
• Ignoring pre-tax deductions: Health insurance, retirement contributions (401k), and flexible spending accounts reduce your taxable income. This calculator does not account for them, so your actual net pay may be higher or lower.
• Using the wrong pay frequency: If you are paid weekly, entering 80 hours will overstate your paycheck. Adjust the hours to match your actual pay period (e.g., 40 for weekly, 80 for biweekly, 86.67 for semimonthly).
• Forgetting local taxes: Some Louisiana cities (like New Orleans) have local wage taxes. This calculator does not include them.

How to Use the Result

The net pay figure is your take-home amount before any voluntary deductions. Use it to budget for monthly expenses, compare job offers, or plan for savings. Remember that bonuses, overtime, and tips are taxed differently and may push you into a higher bracket. For a full-year estimate, multiply your net paycheck by the number of pay periods in a year (e.g., 26 for biweekly).

Limitations of This Calculator

This tool is a simplified estimator. It does not include:

• Pre-tax deductions (health, dental, 401k)
• Post-tax deductions (garnishments, child support)
• Overtime pay (time-and-a-half)
• Bonuses or commissions
• Self-employment taxes (if you’re a contractor)
• Louisiana parish or city taxes

For a legally binding calculation, use the official withholding tables or consult a tax professional. The IRS and Louisiana Department of Revenue publish annual guides that employers use to calculate exact withholdings.

Frequently Asked Questions

Does Louisiana have a state income tax?

Yes, Louisiana imposes a state income tax on wages. As of 2025, the rate is a flat 3% on taxable income, but the standard deduction and personal exemptions mean many workers owe little or nothing. The calculator uses a 1.8% effective rate as an estimate for a single filer earning $18/hour.

Why is my actual paycheck different from the calculator?

Because the calculator ignores pre-tax deductions, local taxes, and your exact W-4 settings. If you have health insurance or contribute to a 401k, those amounts are subtracted before tax, lowering your taxable income and your withholdings. Also, if you claimed “Exempt” on your W-4, no federal tax is withheld, but you may owe at tax time.

How do I calculate overtime pay in Louisiana?

Under federal law, overtime is 1.5 times your regular rate for hours over 40 in a workweek. Louisiana follows federal law. For example, if you earn $18/hour, overtime is $27/hour. This calculator does not include overtime—enter your average hourly rate including overtime if you want an estimate.

What is the minimum wage in Louisiana?

Louisiana has no state minimum wage, so the federal minimum of $7.25/hour applies. Many employers pay more, but this is the legal floor.

Are tips taxed differently?

Tips are taxable income and subject to FICA and income tax. You must report cash tips of $20 or more per month. The calculator does not include tips—add them to your gross pay if you want an estimate.

Can I use this calculator for salaried employees?

No, this is designed for hourly workers. For salaried employees, divide your annual salary by the number of pay periods to get gross pay, then apply the same withholding percentages.

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in hourly | Hourly wage | $ | 18.00 | 7.25
in hours | Hours per pay period | h | 80 | 0
in freq | Pay frequency | - | biweekly=2, weekly=1, semimonthly=2.167, monthly=4.333 | 2
in filing | Filing status | - | single=1, married=0 | 1
in w4 | W-4 allowances (0-3) | - | 2 | 0
out net | Net pay | $ | hourly * hours * (1 - 0.0765) - (hourly * hours * 0.10) - (hourly * hours * 0.018) | 2
out fed | Federal income tax (est.) | $ | hourly * hours * 0.10 | 2
out fica | FICA (SS + Medicare) | $ | hourly * hours * 0.0765 | 2
out state | Louisiana state tax (est.) | $ | hourly * hours * 0.018 | 2