단계별 지침
Calculate Your Taxable Gross Pay
Start with your gross pay for the period. Subtract any pre-tax deductions. Keep in mind that pre-tax health insurance reduces both FICA and Federal taxable income, while retirement contributions (like a 401k) only reduce your Federal taxable income.
Calculate FICA Taxes
Multiply your FICA taxable gross income by 6.2% to find your Social Security tax withholding. Then, multiply the same FICA taxable gross by 1.45% to find your Medicare tax withholding. Add these two amounts together.
Estimate Federal Income Tax Withholding
Annualize your Federal taxable gross by multiplying it by your annual pay frequency (e.g., 26 for biweekly). Subtract the standard deduction for your filing status, apply the current IRS tax brackets to find your annual tax, and divide that total tax by your annual pay frequency.
Subtract Taxes and Deductions for Net Pay
Take your initial Gross Pay and subtract all pre-tax deductions, FICA taxes, and Federal withholding taxes. Since New Hampshire has no state wage income tax, you do not need to calculate or subtract any state-level income taxes. The remaining balance is your net take-home pay!
Welcome to the Granite State! One of the biggest financial perks of living and working in New Hampshire is its famous tax-friendly environment. True to its "Live Free or Die" motto, New Hampshire does not impose a state income tax on earned wages. That means when you receive your paycheck, you do not have to worry about any state-level withholding on your hard-earned salary!
However, you still have to pay federal taxes. Your paycheck will be subject to Federal Insurance Contributions Act (FICA) taxes and Federal Income Tax withholding. Learning how to calculate your paycheck by hand is an excellent way to understand where your money goes, plan your personal budget, and ensure your payroll department is processing your checks correctly. Let's walk through the process step-by-step.
Prerequisites: What You Need to Get Started
Before we jump into the math, gather the following pieces of information:
- Gross Pay: Your total earnings before any deductions. For hourly employees, this is your hourly rate multiplied by hours worked. For salaried employees, it is your annual salary divided by the number of pay periods in a year (e.g., 26 for biweekly, 24 for semi-monthly).
- Pre-Tax Deductions: Any voluntary contributions you make that are exempt from taxes, such as health insurance premiums, Health Savings Account (HSA) contributions, or traditional 401(k) retirement contributions.
- Filing Status & W-4 Details: Your federal filing status (Single, Married Filing Jointly, Head of Household) which determines your standard deduction and tax brackets.
The Formulas You Need to Know
To calculate your net "take-home" pay, we will use a series of simple formulas:
- FICA Taxable Gross = Gross Pay - Pre-tax Medical/Dental Benefits
- Federal Taxable Gross = Gross Pay - Pre-tax Benefits - Pre-tax Retirement Contributions (like a 401k)
- FICA Tax = (FICA Taxable Gross * 6.2% for Social Security) + (FICA Taxable Gross * 1.45% for Medicare)
- Federal Income Tax = Calculated using the IRS percentage method based on your annualized Federal Taxable Gross and standard deduction.
- Net Pay = Gross Pay - Pre-Tax Deductions - FICA Tax - Federal Income Tax - Post-Tax Deductions
Notice that some pre-tax benefits reduce both FICA and Federal taxable income (like health insurance), while retirement contributions like a 401(k) only reduce your Federal Income Tax taxable income, not FICA!
Worked Example: Step-by-Step Calculation
Let's calculate a biweekly paycheck for Sarah. Sarah is single, earns an annual salary of $52,000, and has the following payroll details:
- Gross Pay per Pay Period: �KINL0�2,000
- Pre-tax Health Insurance: $100 per paycheck
- Pre-tax 401(k) Contribution: $100 per paycheck
- Filing Status: Single (claiming the standard deduction, with no extra withholding or dependents on her W-4)
Step 1: Calculate Taxable Wages
First, let's find Sarah's taxable wages for both FICA and Federal Income Tax.
- FICA Taxable Gross: �KINL1�100 (Health Insurance) = $1,900.
- Federal Taxable Gross: �KINL2�100 (Health Insurance) - �KINL3�1,800.
Step 2: Calculate FICA Taxes
FICA consists of Social Security (6.2%) and Medicare (1.45%).
- Social Security Tax: �KINL4�117.80
- Medicare Tax: �KINL5�27.55
- Total FICA Tax: �KINL6�27.55 = $145.35
Step 3: Estimate Federal Income Tax (FIT)
To estimate Sarah's federal withholding, we first annualize her federal taxable gross:
- Annualized Federal Taxable Gross: �KINL7�46,800.
- Subtract Standard Deduction (2024 Single): �KINL8�14,600 = $32,200 in taxable income.
Now, we apply the 2024 federal income tax brackets for a Single filer:
- 10% Bracket: The first �KINL9�1,160.
- 12% Bracket: The remaining income (�KINL10�11,600 = �KINL11�2,472.
- Total Annual Estimated Tax: �KINL12�2,472 = $3,632.
- Per Paycheck Federal Tax: �KINL13�139.69.
Step 4: Calculate Net Take-Home Pay
Now we subtract all taxes and deductions from Sarah's gross paycheck:
- Net Pay = �KINL14�100 (Health) - �KINL15�145.35 (FICA) - �KINL16�1,514.96**.
Sarah's take-home pay is $1,514.96! Because she lives and works in New Hampshire, there are no state tax deductions to subtract.
Common Pitfalls to Avoid
- Confusing Pre-Tax Deductions: Remember that retirement contributions (like a traditional 401k or 403b) do not lower your FICA taxable wages. Only qualifying section 125 cafeteria plans (like health premiums or FSA contributions) reduce your FICA taxable base.
- The Interest and Dividends Tax Confusion: While New Hampshire does not tax wage income, it historically taxed interest and dividends income above certain thresholds. Note that this tax is currently phasing out completely by 2025, but it never applied to standard W-2 paychecks anyway!
- Outdated Tax Brackets: Federal tax brackets and standard deductions adjust annually for inflation. Always ensure you are using the tables for the current tax year.
When to Use an Online Paycheck Calculator
While calculating your paycheck manually is a fantastic way to understand tax mechanics, using a dedicated New Hampshire paycheck calculator is highly recommended for convenience when:
- You have complex W-4 settings (such as multiple jobs, dependents, or extra withholding requests).
- You are paid hourly with varying overtime hours.
- You need to calculate paycheck changes instantly during annual benefits enrollment.