Paycheck Calculator
Calculate your paycheck — federal tax, FICA, state tax & take-home pay, instantly.
💡 What-If Scenario Tester
What Is a Paycheck Calculator?
A paycheck calculator estimates your net (take-home) pay after federal income tax, Social Security, Medicare, state tax, and personal deductions are subtracted from your gross wages. Enter your gross pay, pay frequency, and filing status above to see an instant, itemized breakdown.
Most paycheck disputes and budgeting mistakes come down to one thing: confusing gross pay with what actually lands in your bank account. Gross pay is the number on your offer letter. Net pay is the number that pays your rent. This calculator bridges that gap by modeling the same withholding logic your employer’s payroll system uses — federal brackets, FICA contributions, and state tax — so you can see exactly where each dollar goes before your next pay date.
Key Takeaways
- Net pay is gross pay minus federal tax, FICA (Social Security + Medicare), state tax, and deductions.
- Pre-tax deductions like a 401(k) or HSA lower your taxable income and can increase your effective take-home percentage.
- Pay frequency (weekly, bi-weekly, semi-monthly, monthly) changes your per-period numbers but not your annual tax liability.
- Social Security is capped annually; Medicare is not.
- Filing status and dependents directly affect how much federal tax is withheld from each paycheck.
How the Paycheck Calculator Works
The calculator follows the same sequence a payroll department uses to convert your stated salary into a deposited amount:
- Start with gross pay for the selected pay period (weekly, bi-weekly, semi-monthly, or monthly).
- Subtract pre-tax deductions such as traditional 401(k) contributions or HSA payments — these reduce taxable income before any tax is calculated.
- Apply the standard deduction for your filing status, then calculate federal income tax using progressive tax brackets.
- Apply FICA taxes — 6.2% Social Security (up to the annual wage base) and 1.45% Medicare.
- Apply state income tax based on the rate you enter (varies significantly by state — some states have no income tax at all).
- Subtract post-tax deductions like Roth contributions or wage garnishments to arrive at your final net pay.
The Formula in Plain Terms
| Step | Calculation | Example (Single, $2,000/wk) |
|---|---|---|
| Gross Pay | Stated salary ÷ pay periods | $2,000.00 |
| Pre-Tax Deductions | 401(k), HSA, etc. | -$0.00 |
| Federal Tax | Progressive bracket on taxable income | -$246.15 |
| Social Security | 6.2% of gross (up to cap) | -$124.00 |
| Medicare | 1.45% of gross | -$29.00 |
| State Tax | Entered state rate × gross | -$80.00 |
| Net Pay | Gross − all of the above | $1,520.85 |
Note: This tool provides a planning-grade estimate using simplified, common-case tax logic. Actual withholding may vary based on your W-4 elections, local/city taxes, benefits elections, and your employer’s specific payroll configuration. For exact figures, refer to your pay stub or a licensed tax professional.
Who Should Use This Calculator?
- Job seekers comparing offers — a higher gross salary doesn’t always mean more take-home pay once state tax and benefits differ.
- New employees setting up direct deposit and budgeting before their first paycheck arrives.
- Hourly and salaried workers who want to confirm their pay stub matches expected withholding.
- Anyone adjusting 401(k) contributions and wanting to see the real-dollar effect on take-home pay before changing their elections.
- Freelancers transitioning to W-2 employment who need to understand employer-withheld taxes for the first time.
Common Paycheck Mistakes to Avoid
1. Confusing Gross Pay With Net Pay When Budgeting
Building a monthly budget around your gross salary is one of the most common financial planning errors. Always budget against your net pay — the number that actually reaches your bank account.
2. Ignoring the Social Security Wage Base Cap
Social Security tax stops once your year-to-date earnings cross the annual wage base. High earners often see a noticeable jump in take-home pay in the final pay periods of the year once this cap is reached — Medicare tax, however, continues on all earnings with no cap.
3. Forgetting State Tax Differences When Relocating
Moving between states can change your take-home pay by hundreds of dollars per month even at an identical salary, since state income tax rates range from 0% to over 10% depending on the state.
4. Underestimating the Impact of Pre-Tax Contributions
Because pre-tax deductions lower taxable income before brackets are applied, a $100 contribution to a 401(k) often costs less than $100 in actual take-home pay reduction — the “what-if” scenario tester above shows this exact effect using your own numbers.
Frequently Asked Questions
Gross pay is your total earnings before any deductions. Net pay (take-home pay) is what remains after federal tax, state tax, FICA, and any pre-tax or post-tax deductions are subtracted.
This calculator uses simplified, current progressive federal tax brackets and standard FICA rates to provide a close planning-grade estimate. It does not account for local city taxes, specific W-4 multiple-jobs adjustments, or unique employer benefit structures, so your actual pay stub may differ slightly.
Social Security tax (6.2%) only applies up to an annual wage base limit set each year, after which it stops for the rest of the year. Medicare tax (1.45%) has no income cap and applies to all earned wages, plus an additional 0.9% surtax for very high earners.
No. Because traditional 401(k) contributions are pre-tax, they reduce your taxable income first. A $100 contribution typically reduces your net pay by less than $100, since you also pay less federal income tax on that portion of your earnings.
Your annual tax liability stays the same regardless of pay frequency, but the per-paycheck amount changes. Weekly pay means smaller, more frequent paychecks; monthly pay means fewer, larger paychecks. Choose the frequency that matches your actual pay schedule for the most relevant per-period numbers.
Differences usually come from local/city income taxes, specific W-4 withholding elections, employer-specific benefit deductions (insurance premiums, union dues), bonus or overtime taxation rules, or mid-year changes to your tax situation that this simplified model doesn’t capture.
Select the status that matches your actual tax filing: Single if unmarried, Married Filing Jointly if married and filing one combined return, or Head of Household if you’re unmarried but supporting a qualifying dependent and paying more than half the cost of maintaining your home.
Yes. Multiply your hourly rate by your typical hours per pay period to get a gross pay figure, then enter that amount. For variable schedules, recalculate each pay period using your actual hours worked.