Paycheck Calculator
Calculate take-home pay, federal withholdings, state progressive taxes, and FICA deductions.
Inputs
Pre-Tax Deductions (Per Period)
After-Tax Deductions (Per Period)
Additional Settings (Per Period)
Results Summary
Paycheck Breakdown
Net Pay Equivalents
| Pay Period | Net Income |
|---|---|
| Annual Net Pay: | $0.00 |
| Monthly Net Pay: | $0.00 |
| Semi-Monthly Net Pay: | $0.00 |
| Biweekly Net Pay: | $0.00 |
| Weekly Net Pay: | $0.00 |
| Daily Net Pay: | $0.00 |
| Hourly Net Pay: | $0.00 |
Federal Income Tax
Federal income tax is a progressive tax withheld from your earnings based on IRS tax brackets. Your tax rate increases as your taxable income exceeds predetermined thresholds.
State Income Tax
State income tax is levied by individual state governments. Depending on the state, it can be a flat rate (like IL or NC), a progressive scale (like CA or NY), or zero (like TX, FL, or WA).
Social Security
Social Security tax is a federal payroll tax under FICA that funds the retirement and disability benefits program. It is withheld at a flat 6.20% rate up to the annual limit.
Medicare
Medicare tax is withheld at a base rate of 1.45% under FICA to fund hospital insurance benefits. High earners face an additional 0.9% surtax on wages over $200k.
Pre-Tax Deductions
Pre-tax deductions (e.g. standard 401k, HSA, FSA, health premium payments) are taken from gross wages before taxes are calculated, lowering your overall tax bill.
After-Tax Deductions
After-tax deductions (e.g. Roth 401k, life insurance, union dues, charity) occur after tax withholdings are processed and do not reduce taxable wages.
What is a Paycheck Calculator?
A paycheck calculator is a comprehensive financial engine that estimates your net take-home salary after factoring in various payroll deductions, federal tax withholdings, state tax rules, and local insurance obligations. Whether you earn an hourly wage or a fixed annual salary, this master paycheck calculator tracks exactly where your money goes from gross pay down to net payout.
How Paycheck Withholdings are Calculated
Payroll accounting follows a strict structural workflow governed by IRS and state revenue regulations. Here is the step-by-step breakdown of how your paycheck is processed:
1. Gross Income Calculation
Gross pay is your total earnings before any taxes or deductions are withheld. It scales based on your compensation plan:
- Salary: Gross pay equals your annual salary divided by your annual pay frequency periods (e.g. 26 periods for biweekly, 24 for semi-monthly).
- Hourly: Gross pay is hourly wage multiplied by regular hours worked plus any overtime hours scaled by the overtime multiplier (typically 1.5×): \[Gross\ Pay = (Hourly\ Rate \times Hours) + (Overtime\ Hours \times Hourly\ Rate \times OT\ Multiplier)\]
2. Pre-Tax Deductions
Pre-tax deductions include contributions to qualified retirement accounts (such as a 401k), health savings accounts (HSA), flexible spending accounts (FSA), and medical or dental insurance premiums. These contributions are subtracted from gross pay before taxes are calculated, which directly lowers your taxable income baseline.
3. Federal and State Tax Withholding
Taxable wages are evaluated against progressive federal tax brackets (ranging from 10% to 37%) based on your chosen filing status (Single, Married Jointly, Head of Household) and state-specific regulations. Many U.S. states have flat tax rates (e.g. Illinois at 4.95%) or progressive structures, while others (such as Texas and Florida) charge 0% income tax on payroll checks.
4. FICA Withholding (Social Security and Medicare)
The Federal Insurance Contributions Act mandates two payroll taxes:
- Social Security: A flat rate of 6.20% deducted on wages up to the annual limit ($168,600).
- Medicare: A base rate of 1.45%, plus an additional 0.9% surtax on wages over threshold limits ($200,000 for Single, $250,000 for Married Jointly).
5. After-Tax Deductions
After-tax deductions include Roth 401(k) contributions, union fees, life insurance premiums, and voluntary charitable donations. Because these deductions occur after taxes are withheld, they do not lower your taxable income base.
Frequently Asked Questions
What is the difference between gross pay and net pay?
Gross pay represents your total pre-tax earnings before any withholdings are made. Net pay (take-home pay) is the final amount deposited into your bank account after all taxes and deductions have been subtracted.
What are pre-tax deductions?
Pre-tax deductions (like 401k, HSA, or HSA insurance premiums) are deducted from gross pay before income taxes are computed. This lowers your taxable income, reducing the amount of income tax you pay.
What are after-tax deductions?
After-tax deductions occur after federal and state income taxes have been withheld. Examples include Roth 401(k) contributions, union dues, and life insurance premiums. These do not lower your income tax liabilities.
How does FICA work?
FICA stands for Federal Insurance Contributions Act. It consists of Social Security (6.2% up to annual salary limits) and Medicare (1.45% base rate) payroll taxes.