Paycheck Calculator by State

Overview

How to use this calculator

1. Enter your annual salary and choose your pay frequency to establish gross pay per period.
2. Select your filing status and state to apply appropriate standard deduction logic and a simplified state tax rate.
3. Enter your recurring pre-tax deductions per paycheck (such as 401(k), HSA, FSA) and any post-tax deductions (such as after-tax benefits).
4. Review the outputs: gross pay per period, taxable income per period, estimated federal and state income taxes, Social Security and Medicare, total deductions, and net pay per period.
5. Adjust salary, deductions, or state to compare different job offers, relocation options, or contribution levels.

Inputs explained

Annual salary

Your gross annual pay before any taxes or deductions. This is the figure usually quoted in job offers and salary discussions.

Pay frequency

How often you are paid: weekly, biweekly, semimonthly, monthly, or annual. This determines how we break your annual salary into per-paycheck gross pay.

Filing status

Your federal filing status (Single, Married filing jointly, or Head of household). This affects your standard deduction and federal tax brackets in our simplified model.

State

Your state of residence for tax purposes. The calculator uses a simplified flat income tax rate per state purely for illustration and applies a generic rate for the "Other" option.

Pretax deductions per paycheck

Total pre-tax contributions and deductions per paycheck, such as 401(k), 403(b), HSA, traditional IRA via payroll, or pre-tax insurance premiums that reduce taxable wages.

Post-tax deductions per paycheck

Total amounts taken out after taxes, such as Roth 401(k) contributions, union dues, after-tax benefit premiums, or other payroll deductions that do not reduce taxable income.

Outputs explained

Gross pay per period

Your gross pay per paycheck before any deductions or taxes, derived from your annual salary and pay frequency.

Taxable income per period

The portion of your per-paycheck income subject to federal and state income tax after subtracting pre-tax deductions and allocating a standard deduction.

Federal tax per period

Estimated federal income tax withheld per paycheck according to a simplified bracket model for your filing status. This is an approximation, not a full IRS withholding calculation.

State tax per period

Estimated state income tax per paycheck using a flat rate for the selected state. Some states have no income tax or complex brackets; this is a simplified stand-in.

Social Security per period

Estimated Social Security tax withheld per paycheck, using the standard employee rate up to the annual wage cap.

Medicare per period

Estimated Medicare tax per paycheck, using the standard employee rate on all taxable wages. Additional Medicare surtax on high earners is not included.

Total deductions per period

The sum of federal tax, state tax, Social Security, Medicare, and both pre-tax and post-tax deductions per paycheck.

Net pay per period

Your estimated take-home pay per paycheck after subtracting all taxes and deductions from gross pay. This is the amount that should land in your bank account.

When to use it

• Comparing job offers in different states by looking at estimated net pay per paycheck rather than just gross salary.
• Estimating how changes in pre-tax retirement contributions or HSA contributions affect your take-home pay and taxes.
• Budgeting monthly expenses by translating annual salary offers into realistic net pay numbers.
• Exploring the impact of moving from a high-tax state to a lower-tax state on your paycheck, using the same salary and deduction assumptions.
• Helping new graduates or job changers understand how much of their salary will actually show up in their paychecks.

Tips & cautions

• Treat the state tax portion as illustrative only; real state tax systems often have progressive brackets, deductions, and credits that this calculator does not model.
• Your actual federal withholding may differ because employers use IRS withholding tables and forms (such as the W-4) that account for allowances, credits, and other factors.
• To approximate the net impact of increasing a pre-tax contribution (like 401(k)), increase the pretax deduction input and see how both taxable income and net pay change.
• Remember that pay frequency affects cash flow. Two jobs with similar annual salaries may feel different if one pays weekly and the other pays monthly.
• For long-term planning, consider inflation and potential future tax law changes; this calculator reflects a snapshot based on simplified current rules.
• Uses simplified federal tax brackets and standard deductions; does not implement full IRS withholding formulas, phaseouts, or credits.
• State tax rates are illustrative flat percentages and do not reflect actual state tax codes, local taxes, or special surcharges.
• Does not model additional Medicare surtax for high earners, Social Security wage caps in detail across pay periods, or complex pre-tax benefit interactions.
• Ignores tax credits, itemized deductions, and other tax features that can materially change your final refund or balance due.
• Assumes all pretax deductions are fully deductible for federal and state income tax and that post-tax deductions do not affect taxable wages.

Deep dive

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