United States · 2026 Payroll

2026 Social Security Tax Calculator

Estimate employee Social Security tax using the 2026 6.2% rate and $184,500 wage base.

2026 IRS rulesUS dollarsMethodology ↓

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2026 rule

Employee Social Security tax is 6.2% of covered wages up to the 2026 wage base of $184,500.

Official methodology

Federal income-tax withholding uses the IRS 2026 Publication 15-T percentage method for automated payroll systems and a 2020-or-later Form W-4. Social Security uses 6.2% up to the 2026 $184,500 wage base; Medicare uses 1.45% with no wage base, and employer withholding of Additional Medicare Tax begins above $200,000 of wages.

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How to use this calculator

  1. Set Current paycheck wages (default 3000).
  2. Set Prior 2026 Social Security wages (default 50000).
  3. Select Calculate to update the result. Reset restores the starting values.

Educational estimate. Actual payroll can differ because of pretax benefits, taxable fringe benefits, state/local taxes, W-4 details, payroll rounding and employer systems.

Maintained by the CalculatorsOnline Editorial Team. Read our methodology policy.