Social Security Tax Calculator
Calculate Social Security tax on your wages. This 6.2% tax funds retirement, disability, and survivor benefits through the OASDI program.
Social Security Tax Rates
| Status | Tax Rate | Wage Base (2024) | Max Tax |
|---|---|---|---|
| Employee | 6.2% | $168,600 | $10,453.20 |
| Employer | 6.2% | $168,600 | $10,453.20 |
| Self-Employed | 12.4% | $168,600 | $20,906.40 |
Social Security Wage Base History
| Year | Wage Base | Max Employee Tax |
|---|---|---|
| 2024 | $168,600 | $10,453.20 |
| 2023 | $160,200 | $9,932.40 |
| 2022 | $147,000 | $9,114.00 |
| 2021 | $142,800 | $8,853.60 |
| 2020 | $137,700 | $8,537.40 |
Social Security Tax Calculator
``javascript
function calculateSocialSecurityTax(wages, year = 2024) {
const wageBase = {
2024: 168600,
2023: 160200,
2022: 147000
};
const cap = wageBase[year] || 168600;
const taxableWages = Math.min(wages, cap);
const employeeTax = taxableWages * 0.062;
const employerTax = taxableWages * 0.062;
return {
totalWages: wages,
taxableWages,
wagesAboveCap: Math.max(0, wages - cap),
employeeTax: employeeTax.toFixed(2),
employerTax: employerTax.toFixed(2),
totalTax: (employeeTax + employerTax).toFixed(2)
};
}
``
When SS Tax Stops
Once you earn $168,600 (2024), no additional Social Security tax is withheld for the year. High earners see increased take-home pay later in the year when they've hit the cap.
| Salary | Cap Reached | Extra Monthly Take-Home |
|---|---|---|
| $200,000 | Mid-October | ~$1,035/month |
| $250,000 | Early August | ~$1,035/month |
| $300,000 | Late June | ~$1,035/month |
Earning Social Security Credits
You earn credits toward benefits by paying SS tax:
- 1 credit per $1,730 earned (2024)
- Maximum 4 credits per year
- Need 40 credits (10 years) for retirement benefits
Worked Through the Brackets
On $75,000 of gross income, filing single, taking the $14,600 standard deduction — so $60,400 of taxable income:
| Bracket | Range | Income taxed here | Tax |
|---|---|---|---|
| 10% | $0 – $11,600 | $11,600 | $1,160 |
| 12% | $11,600 – $47,150 | $35,550 | $4,266 |
| 22% | $47,150 – $100,525 | $13,250 | $2,915 |
| Total | $8,341 |
The Same Income, Different Sources
| Source | Federal tax on it |
|---|---|
| Wages (above) | $8,341 |
| Self-employment profit | $8,341 income tax plus $10,597 SE tax |
| Long-term capital gain of $10,000 | $1,500 at 15% |