New Jersey Paycheck Calculator 2026

New Jersey Payroll Tax Overview

New Jersey uses a graduated state income tax system with a top marginal rate of 10.75%. Lower income levels are taxed at lower rates, so your effective state tax rate will be below the 10.75% top bracket. Workers in New Jersey pay state income tax on top of federal income tax (10%–37%), Social Security (6.2%), and Medicare (1.45%).

The 2026 federal income tax brackets for single filers: 10% on the first $11,925; 12% to $48,475; 22% to $103,350; 24% to $197,300; 32% to $250,525; 35% to $626,350; 37% above. Pre-tax deductions (401k, health insurance, HSA) reduce your taxable income before both federal and state taxes are applied.

This calculator estimates your New Jersey state tax using your gross pay and the top-bracket rate as a conservative estimate. For a precise calculation, use New Jersey's official tax brackets and apply the graduated rates to your taxable income after standard deductions.

Federal vs New Jersey Tax Burden

For a New Jersey single filer earning $60,000 annually, estimated federal income tax is roughly $6,748 (11.2% effective rate), plus New Jersey state income tax of approximately $4,520 (estimated effective rate), Social Security $3,720, and Medicare $870. Estimated annual take-home: around $44,100.

States with graduated income tax rates like New Jersey apply higher rates only to income above each threshold — similar to how federal tax brackets work. Your effective state tax rate will be lower than the top 10.75% marginal rate unless nearly all your income falls in the top bracket.

To reduce your New Jersey paycheck tax burden, maximize pre-tax deductions: 401(k) contributions (up to $23,500 in 2026), HSA contributions (up to $4,300 for self-only coverage), and employer-sponsored health insurance premiums all lower both federal and state taxable income.

How to Use This New Jersey Paycheck Calculator

Enter your pay period (weekly, biweekly, semimonthly, monthly, or annual), then input either your annual gross salary or your hourly rate and average hours per week. Select your federal filing status — single, married filing jointly, married filing separately, or head of household — as this determines your federal tax brackets and standard deduction.

If you have pre-tax deductions such as a 401(k) contribution, health insurance premium, or HSA contribution, enter the total per-period dollar amount. These reduce your taxable income before federal and state taxes are calculated. The calculator will show federal income tax, Social Security (6.2%), Medicare (1.45%), New Jersey state income tax (10.75%), and SDI (0.06%), your total deductions, and your net take-home pay — both per period and annualized.

Results are estimates based on standard assumptions and 2026 tax rates. Actual withholding may differ based on your W-4 elections, additional withholding, local taxes (in some cities), or retirement plan contribution limits. For precise payroll calculations, consult your payroll provider or a tax professional.

New Jersey Paycheck 401(k) State Tax Trap and PA Reciprocity

Two quirks of New Jersey payroll that most paycheck calculators get wrong: (1) 401(k) contributions are NOT deductible from New Jersey state income tax. Per the NJ Division of Taxation GIT-14, elective 401(k) deferrals reduce federal taxable wages but are still fully taxable at the state level in NJ (Alabama and Pennsylvania are the only other states with this treatment). So a New Jersey worker contributing $23,500/year to a 401(k) sees the federal-tax savings but pays state tax on that $23,500 as though it was cash pay — worth roughly $2,000-2,500 in annual state tax vs a comparable earner in NY or CA. (2) New Jersey has full reciprocity with Pennsylvania: NJ residents who work in PA (or vice versa) pay income tax only to their home state under the NJ-PA Reciprocal Agreement. File NJ-165 with your PA employer to exempt PA withholding, then pay NJ tax only. This calculator uses NJ rates so it is already correct for NJ residents regardless of work location within the reciprocal pair. Updated 2026-07-16.