FICA Tax Calculator
Calculate FICA taxes—the combined Social Security and Medicare taxes that fund retirement and healthcare benefits. Every wage earner pays FICA on earned income.
FICA Tax Rates (2024)
| Component | Employee Rate | Employer Rate | Self-Employed | Social Security6.2%6.2%12.4% Medicare1.45%1.45%2.9% Total FICA7.65%7.65%15.3%
FICA Wage Limits
TaxWage BaseMaximum Tax Social Security$168,600 (2024)$10,453.20 MedicareNo limitNo maximum | Additional Medicare | Over $200k | +0.9% (employee only) |
FICA Tax Calculator
``javascript
function calculateFICATax(wages, isSelfEmployed = false) {
const ssWageBase = 168600;
const ssRate = isSelfEmployed ? 0.124 : 0.062;
const medicareRate = isSelfEmployed ? 0.029 : 0.0145;
const additionalMedicareThreshold = 200000;
// Social Security (capped at wage base)
const ssWages = Math.min(wages, ssWageBase);
const socialSecurityTax = ssWages * ssRate;
// Medicare (no cap)
const medicareTax = wages * medicareRate;
// Additional Medicare Tax (employee pays, not matched)
const additionalMedicare = isSelfEmployed
? Math.max(0, wages - additionalMedicareThreshold) * 0.009
: Math.max(0, wages - additionalMedicareThreshold) * 0.009;
const totalFICA = socialSecurityTax + medicareTax + additionalMedicare;
return {
wages,
socialSecurityTax: socialSecurityTax.toFixed(2),
medicareTax: medicareTax.toFixed(2),
additionalMedicare: additionalMedicare.toFixed(2),
totalFICA: totalFICA.toFixed(2),
effectiveRate: ((totalFICA / wages) * 100).toFixed(2) + '%'
};
}
``
FICA Examples
| Wages | SS Tax | Medicare | Total FICA | $50,000$3,100$725$3,825 $100,000$6,200$1,450$7,650 $168,600$10,453$2,445$12,898 | $250,000 | $10,453 | $4,075 | $14,528 |
*Includes Additional Medicare Tax where applicable*