Paycheck Calculator
Calculate your exact net take-home paycheck per pay period. Accurately accounts for hourly wage, overtime 1.5x, annual salary, pre-tax 401(k) and medical benefits, FICA Social Security and Medicare, and estimated federal and state tax withholding.
Pre-Tax Deductions (Per Paycheck)
Estimated Tax Rates
Paycheck Breakdown
| Line Item | Rate / Basis | Per Paycheck |
|---|---|---|
| Gross Pay | Regular + OT | $2,400.00 |
| 401(k) Retirement | 6.0% | -$144.00 |
| Health & Dental Insurance | Pre-tax | -$80.00 |
| HSA / FSA Contribution | Pre-tax | -$25.00 |
| Social Security (FICA) | 6.2% | -$142.36 |
| Medicare (FICA) | 1.45% | -$33.28 |
| Federal Income Tax | 12.0% | -$258.12 |
| State / Local Income Tax | 4.5% | -$96.79 |
| Net Take-Home Pay | Direct Deposit | $1,619.45 |
Understanding Your Paycheck & Payroll Withholding
Your paycheck statement (or pay stub) reflects the journey from Gross Pay to Net Take-Home Pay. Knowing exactly how each dollar is deducted helps you optimize your tax withholdings and maximize retirement contributions.
The 3 Deduction Tiers
- Pre-Tax Deductions: Items such as traditional 401(k) contributions, employer-sponsored medical/dental/vision insurance premiums, and Health Savings Accounts (HSA). These reduce your taxable gross income, effectively lowering both your federal and state income tax liabilities.
- Statutory FICA Payroll Taxes: Under the Federal Insurance Contributions Act (FICA), employees pay a mandatory 6.2% for Social Security (up to the 2024 limit of $168,600) and 1.45% for Medicare (with an additional 0.9% surtax on single earners above $200,000). Employers match these amounts dollar-for-dollar.
- Income Tax Withholding: Based on the IRS Form W-4 you submit to your employer, this represents an estimated prepayment toward your annual federal and state income tax liability.
Gross to Net Paycheck Calculation: Understanding Tax Withholdings & FICA
The gap between nominal gross earnings and net take-home pay is determined by statutory deductions mandated by federal, state, and local governments, alongside voluntary employer-sponsored benefits. Accurately estimating your net paycheck requires calculating pre-tax adjustments, statutory payroll taxes (Social Security and Medicare), progressive income tax withholding brackets, and post-tax contributions.
For deeper analysis and related planning, you can also explore our EMI Calculator and Simple Interest Calculator.
Step-by-Step Withholding Mathematics
Net earnings are derived through sequential statutory payroll steps:
- Adjusted Gross Pay: Gross Pay - Pre-Tax Deductions (Traditional 401(k), Section 125 Health Insurance, HSA/FSA)
- FICA Social Security: 6.2% of gross earnings up to the annual statutory wage base limit
- FICA Medicare: 1.45% on all earnings (plus 0.9% Additional Medicare Tax on wages exceeding $200,000 for single filers)
- Federal & State Income Tax: Progressive withholding rates based on annual tax brackets, filing status (Single, Married, Head of Household), and Form W-4 allowances
- Net Take-Home Pay: Adjusted Gross Pay - (Federal Withholding + State Withholding + Local Tax + Total FICA + Post-Tax Deductions)
Frequently Asked Questions
How is take-home pay calculated from gross pay?
Gross pay is reduced first by pre-tax deductions (like 401(k), health insurance, and HSA contributions). Then statutory payroll taxes (Social Security at 6.2% and Medicare at 1.45%), federal income tax withholding, and state/local income taxes are subtracted to determine your final net take-home paycheck.
What is the difference between bi-weekly and semi-monthly pay periods?
Bi-weekly pay occurs every two weeks on a specific day of the week (yielding 26 paychecks per year, including two months with 3 paychecks). Semi-monthly pay occurs twice per month on set calendar dates, such as the 15th and last day of the month (yielding exactly 24 paychecks per year).
What is the 2024 Social Security tax wage cap?
For 2024, the maximum taxable earnings subject to the 6.2% Social Security tax is $168,600. Any earned income above this threshold is exempt from further Social Security tax for the remainder of the calendar year, though Medicare tax (1.45%) continues on all wages.
What is FICA tax on my paycheck?
FICA stands for the Federal Insurance Contributions Act, which funds Social Security and Medicare. Employees pay 6.2% for Social Security (up to the annual statutory wage cap) and 1.45% for Medicare (with an additional 0.9% surtax on earnings above $200,000).
How do pre-tax deductions lower my total tax obligation?
Pre-tax contributions (such as employer-sponsored 401(k) retirement plans, Health Savings Accounts (HSA), and health insurance premiums) are subtracted from your gross earnings before federal and state income taxes are calculated, lowering your overall taxable income bracket.
Why does my bonus get taxed at a higher rate than regular pay?
Bonuses are classified by the IRS as supplemental wages. Employers typically withhold federal tax on supplemental wages at a flat statutory rate of 22% (or higher for bonuses exceeding $1 million). While this withholding rate may be higher or lower than your actual effective tax bracket, any discrepancy balances out when you file your annual tax return.