Trust

Data sources

Rules trace to official publications. Browse the sources and actual rule review dates for each registered state, alongside federal references and known estimate limitations. A reviewed source is not agency endorsement or a guarantee that every payroll situation is covered.

Sources for all registered states

Open a state for named official publications and its calculator scope. Rule review dates are read from the registry; they are not reset when this page changes.

Enter a state name or abbreviation, such as New York or NY.

Showing 46 of 46 states

Alabama3 referencesRules reviewed:
Alaska8 referencesRules reviewed:
Arizona3 referencesRules reviewed:
Arkansas8 referencesRules reviewed:
California3 referencesRules reviewed:
Colorado6 referencesRules reviewed:
Connecticut8 referencesRules reviewed:
Florida4 referencesRules reviewed:
Georgia2 referencesRules reviewed:
Hawaii9 referencesRules reviewed:
Idaho8 referencesRules reviewed:
Illinois2 referencesRules reviewed:
Indiana3 referencesRules reviewed:
Iowa8 referencesRules reviewed:
Kansas7 referencesRules reviewed:
Kentucky8 referencesRules reviewed:
Louisiana9 referencesRules reviewed:
Maryland4 referencesRules reviewed:
Massachusetts5 referencesRules reviewed:
Michigan4 referencesRules reviewed:
Minnesota6 referencesRules reviewed:
Mississippi9 referencesRules reviewed:
Missouri6 referencesRules reviewed:
Montana7 referencesRules reviewed:
Nebraska7 referencesRules reviewed:
Nevada4 referencesRules reviewed:
New Hampshire4 referencesRules reviewed:
New Jersey3 referencesRules reviewed:
New York7 referencesRules reviewed:
North Carolina2 referencesRules reviewed:
North Dakota7 referencesRules reviewed:
Ohio3 referencesRules reviewed:
Oklahoma7 referencesRules reviewed:
Pennsylvania3 referencesRules reviewed:
Rhode Island9 referencesRules reviewed:
South Carolina5 referencesRules reviewed:
South Dakota5 referencesRules reviewed:
Tennessee4 referencesRules reviewed:
Texas1 referenceRules reviewed:
Utah6 referencesRules reviewed:
Vermont9 referencesRules reviewed:
Virginia3 referencesRules reviewed:
Washington4 referencesRules reviewed:
West Virginia8 referencesRules reviewed:
Wisconsin3 referencesRules reviewed:
Wyoming4 referencesRules reviewed:

Federal and New York rule examples

  • 2026 FederalReviewed · Rules reviewed
  • Social Security & Medicare (2026)Reviewed · Rules reviewed
  • 2026 New York StateReviewed · Rules reviewed
  • 2026 New York CityReviewed · Rules reviewed
  • NY Paid Family Leave (employee)Reviewed · Rules reviewed
  • NY disability benefits (employee)Reviewed · Rules reviewed

Federal — annual tax-comparison data

IRS Revenue Procedure 2025-32 (IR-2025-103, 9 October 2025)

  • 2026 rate schedules for all four filing statuses
  • 2026 standard deduction: $16,100 single and married filing separately, $32,200 married filing jointly, $24,150 head of household

Federal — withholding method

IRS Publication 15-T (2026), Federal Income Tax Withholding Methods

  • Worksheet 1A, Percentage Method for Automated Payroll Systems, implemented line by line
  • 2026 STANDARD Withholding Rate Schedules and Form W-4, Step 2, Checkbox, Withholding Rate Schedules
  • Worksheet 1A line 1g amounts: $12,900 married filing jointly, $8,600 all other statuses
  • Forms W-4 from 2019 or earlier: $4,300 per withholding allowance (lines 1j-1l)
  • Supplemental wages: 22% optional flat rate, 37% mandatory above $1,000,000 for the year

Federal — Social Security & Medicare

SSA Contribution and Benefit Base; IRS Publication 926 (2026)

  • 2026 Social Security wage base $184,500, employee rate 6.2%
  • Medicare 1.45% with no wage base
  • Paycheck withholding: Additional Medicare 0.9% above $200,000 annual Medicare wages from one employer, regardless of filing status (IRS Topic 751)
  • Final-return liability thresholds $200,000 / $250,000 / $125,000 remain separate for annual tax-comparison tools; the paycheck estimate does not reconcile the tax return

New York State

NYS-50-T-NYS (1/26), annual Methods II/III and supplemental methods; Form IT-2104 (2026)

  • Published annual withholding bands and Method III whole-net-wage top-income rates; separate Single/Married NY certificate status
  • Annual withholding deduction $7,400 Single or $7,950 Married, plus $1,000 per NY allowance; extra withholding entered separately
  • Conditional 11.70% separately identified bonus option, or aggregate alternative; displayed annualized estimates may differ from printed per-payroll tables

New York City — resident payroll withholding

NYS-50-T-NYC (1/26), pages 24–26 annual withholding schedule and page 3 supplemental methods

  • Payroll deduction $5,000 Single or $5,500 Married, plus $1,000 per IT-2104 line 2 allowance; line 4 extra withholding separate
  • Identified bonus 4.25% option requires regular NYC withholding independently of the NY State prerequisite; aggregate alternative otherwise
  • Annualized payroll withholding is distinct from IT-201/IT-2105 final-return rate schedules; printed per-payroll rounding can differ

New York — employee-paid coverage options

https://paidfamilyleave.ny.gov/2026; NY Workers’ Compensation Board disability benefits employer guidance

  • Optional employee-paid PFL estimate: 0.432% of gross wages, up to $411.91 annually per covered employer
  • Optional standard disability estimate: 0.5% of wages, up to $0.60 weekly; employer-funded and enhanced plans are not inferred
  • Annualized averages only: actual deductions depend on coverage, prior premiums, time worked and employer funding

New York City — annual-return comparison data

NYS Form IT-2105-I (2026), city resident tax rate schedules

  • Resident rates 3.078% to 3.876% with thresholds by filing status
  • Annual-return bracket data is retained for tax-comparison tools; the paycheck calculator instead uses the NYS-50-T-NYC payroll methods listed above. Neither calculation reconciles final NYC credits

California — income tax

California EDD, California Withholding Schedules for 2026, Method B exact calculation (26methb.pdf); Form DE 4

  • Table 1 low income exemption: $18,896, or $37,791 for married employees claiming two or more allowances and heads of household
  • Table 2 estimated deduction: $1,000 a year per additional allowance
  • Table 3 standard deduction: $5,706 and $11,412
  • Table 4 exemption allowance credit: $168.30 per regular allowance annually
  • Tables 5, 6 and 7 annual rate schedules, 1.1% to 14.63%
  • DE 4 marital status and both allowance counts entered by the user

California — State Disability Insurance

California EDD, 2026 California Payroll Taxes (DE 201 Rev. 12 (1-26))

  • Employee SDI rate 1.3% of wages
  • No taxable wage ceiling, per SB 951 effective 1 January 2024
  • Employer-paid UI (3.4% on the first $7,000) and ETT (0.1%) deliberately excluded from take-home

Texas

Office of the Governor of Texas, Texas Economic Development — Business Climate

  • No individual state income tax; state income tax line is always $0
  • Employer-paid unemployment tax and franchise tax excluded from employee withholding

Florida

Florida Department of Revenue, FAQ 1466

  • No personal state income tax; state income tax line is always $0
  • Employer-paid reemployment tax excluded from employee withholding

New Jersey — income tax

NJ Division of Taxation, Tables for Percentage Method of Withholding; NJ-WT; Form NJ-W4

  • Rate Tables A, B, C, D and E, annual payroll period, 1.5% to 11.8%
  • Form NJ-W4 Instruction A Wage Chart, transcribed in full, to select Tables C, D and E
  • Withholding allowance value $1,000 per year per exemption, subtracted from wages before the rate table
  • NJ-W4 rate table and exemption count entered by the user

New Jersey — employee contributions

NJ Department of Labor & Workforce Development, Division of Employer Accounts, 2026 worker rates and taxable wage bases

  • Unemployment insurance 0.3825% and workforce development 0.0425% on the first $44,800
  • Temporary disability insurance 0.19% and family leave insurance 0.23% on the first $171,100
  • Employer experience-rated UI, employer disability and municipal employer payroll taxes excluded from take-home

Still outstanding

Refinements that would move this from estimate to payroll-exact

  • Exact printed per-payroll NY / NYC table rounding; annual schedules and conditional supplemental options are available
  • Final-return New York benefit recapture, credits and multiple-job reconciliation; published annual withholding Methods II/III are used for pay estimates
  • Exact paycheck/YTD stopping of New York PFL premiums and irregular-employment disability caps; optional annualized estimates are available
  • Yonkers resident surcharge and non-resident earnings tax

Calculations are estimates for informational purposes and are not tax, legal, or financial advice. Actual withholding and take-home pay may differ.