Free FICA tax calculator. Calculate your combined Social Security and Medicare tax on wages. See annual cap effects, per-paycheck amounts, and 2025 rates.
The FICA Tax Calculator computes your Federal Insurance Contributions Act (FICA) tax — the combined Social Security and Medicare tax withheld from your wages. FICA taxes fund the Social Security retirement and disability programs plus Medicare health insurance.
For 2025, the employee FICA rate is 7.65% (6.2% Social Security on wages up to $176,100 plus 1.45% Medicare on all wages). High earners pay an additional 0.9% Medicare surtax on wages exceeding $200,000. This calculator shows when the SS cap kicks in and how it affects per-paycheck withholding.
Enter your gross wages and pay frequency to see your total FICA tax, the month you hit the SS cap, and a paycheck-by-paycheck breakdown. Understanding FICA is important because these taxes represent a significant portion of your total tax burden, especially for workers earning below the Social Security wage base. The SS cap means that higher earners effectively pay a lower percentage of their total income toward Social Security, while Medicare taxes apply to all earnings without a cap and include an additional surtax for high earners.
FICA taxes are the largest deduction on most paychecks. Understanding when the Social Security cap is reached helps you predict take-home pay changes mid-year — you'll see a sudden bump in your paycheck once SS tax stops being withheld. This knowledge also helps employers budget for total compensation costs throughout the year.
Social Security Tax = Min(Wages, $176,100) × 6.2% Medicare Tax = Wages × 1.45% Additional Medicare = Max(0, Wages – $200,000) × 0.9% Total FICA = SS Tax + Medicare Tax + Additional Medicare FICA Rate = Total FICA / Gross Wages × 100
Result: Total FICA: $13,808 | Cap paycheck: #22
SS tax = $176,100 × 6.2% = $10,918. Medicare = $200,000 × 1.45% = $2,900. Additional Medicare = $0 (at exactly $200k). Total FICA = $13,818. With bi-weekly pay of $7,692/check, the SS cap is reached around paycheck #23 ($7,692 × 23 = $176,923).
Employees pay 7.65% FICA from their wages, with the employer matching that amount. Self-employed workers pay both halves through the self-employment tax (15.3% on 92.35% of net SE income). They can deduct the employer-equivalent half on their tax return.
The SS wage base increases each year with average wage growth. It was $160,200 in 2023, $168,600 in 2024, and $176,100 in 2025. Higher wage bases mean higher maximum SS contributions and potentially higher future benefits.
High earners experience a predictable increase in take-home pay once they hit the SS cap. For example, at $250,000 salary paid bi-weekly, the cap is reached around paycheck #18 (mid-September). From that point, per-paycheck FICA drops from ~$588 to ~$111 (Medicare only), adding ~$477 to each remaining paycheck.
FICA stands for the Federal Insurance Contributions Act. It is the federal law that requires employers and employees to each contribute to Social Security and Medicare through payroll taxes. The combined FICA rate is 7.65% for each side (15.3% total).
If you earn more than the Social Security wage base ($176,100 for 2025), your SS tax withholding stops once your cumulative wages reach that limit. From that point, only the 1.45% Medicare tax is withheld (plus 0.9% additional if over $200k), resulting in a larger net paycheck.
No. FICA (Social Security + Medicare) is separate from federal income tax. Both are withheld from your paycheck, and both appear on your W-2. FICA is a flat percentage with no brackets; income tax uses progressive brackets and is affected by deductions and credits.
Most workers cannot opt out. However, certain religious groups, foreign government employees on diplomatic visas, and students working at their university may be exempt. Members of certain religious orders who have taken a vow of poverty may also be exempt.
Yes. The Social Security portion (6.2%) earns you credits toward retirement and disability benefits. You need 40 credits (roughly 10 years of work) to qualify for Social Security retirement benefits. Your benefit amount is based on your highest 35 years of earnings.
The maximum Social Security tax (employee side) is $176,100 × 6.2% = $10,918.20. There is no cap on Medicare tax. For someone earning exactly $176,100, total FICA = $10,918.20 + $2,553.45 = $13,471.65. Higher earners pay more in Medicare but no more in SS.