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Social Security Tax Calculator 2025 — 6.2% Up to $176,100

Calculate the 2025 Social Security tax: 6.2% from the employee and 6.2% matched by the employer, capped at the $176,100 wage base (max $10,918 each).

Free 2025 Social Security tax calculator. The Social Security (OASDI) tax is 6.2% from the employee and 6.2% from the employer (12.4% total) on wages up to the $176,100 wage base — a maximum of $10,918 each side ($21,836 combined). Above the cap, no more Social Security tax is owed. Source: IRS Topic No. 751 & 560 & 759, Social Security Administration 2025 wage base, and IRS Form 8959/940 (2025). Covers federal FICA + the 0.9% surtax + federal FUTA only — not state unemployment (SUTA) or income-tax withholding. Runs entirely in your browser; no data sent to any server. Not tax or legal advice. It runs free in your browser on Gera Tools, with nothing uploaded.

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What is the Social Security tax rate and wage base for 2025?

For 2025, Social Security (OASDI) tax is 6.2% each from the employee and employer (12.4% total) on wages up to the $176,100 wage base — a maximum of $10,918 from each side. (Source: IRS Topic No. 751; Social Security Administration 2025 wage base.)

Social Security Tax Calculator 2025 (2025)

The 2025 Social Security (OASDI) tax is 6.2% each from employee and employer (12.4% total) on wages up to the $176,100 wage base — a maximum of $10,918 each side ($21,836 combined). Above the cap, no more Social Security tax is owed.

Enter annual wages below to see the employee share, the employer share, and the combined payroll tax — Social Security capped at the wage base, Medicare on every dollar, the 0.9% surtax for high earners, and employer FUTA. Everything runs in your browser — no wage data is transmitted.

Important: This covers federal FICA (Social Security + Medicare), the 0.9% Additional Medicare surtax, and federal FUTA only. It does not include state unemployment (SUTA), which varies by state and employer, or federal/state income-tax withholding, which is a separate system. Source: IRS Topic No. 751 & 560 & 759, Social Security Administration 2025 wage base, and IRS Form 8959/940 (2025); figures for the 2025 tax year, data as of 2024-10-10. Rates and the wage base change yearly; this is not tax or legal advice.