South Carolina Tax Calculator 2025
Estimate your federal and South Carolina state taxes for the 2025 tax year.
Pre-configured for South Carolina residents, 2025 tax year. Planning ahead? South Carolina Tax Calculator 2026 has the new 2026 brackets and enacted rate changes.
Your numbers
Pre-tax contributions
$2,200 federal Child Tax Credit each, applied to your 2025 liability.
Estimate your refund (optional)
Enter what was withheld this year — W-2 box 2 (federal) and box 17 (state) — to compare against your estimated liability.
$58,400 per year, shown per month
of gross income, all taxes
federal + SC on your next dollar
Estimate only, for a single W-2 earner taking the standard deduction. Itemized deductions and most credits beyond the Child Tax Credit aren't modeled.
Only the top slice pays 22%
Federal tax is progressive: each bracket taxes only the income inside it. Here is how your $59,250 of taxable income fills the 2025 brackets.
Understanding South Carolina Income Taxes
Residents of South Carolina pay state income tax on top of federal taxes. The amount you owe depends on your taxable income, filing status, and the deductions and credits South Carolina allows.
Key Takeaways for 2025
- Federal tax brackets and standard deductions have been adjusted for inflation (and raised retroactively by the One Big Beautiful Bill Act).
- South Carolina's own rates and exemptions are applied to your state estimate automatically.
- Don't forget FICA taxes (Social Security and Medicare) — they're withheld from your paycheck automatically and included in the take-home figure above.
Go Deeper on Your 2025 Taxes
Federal tax tools
- Federal Income Tax Calculator — brackets, deductions, and your effective rate
- Tax Bracket Calculator — see which bracket your income lands in
- Paycheck Tax Calculator — per-paycheck withholding and take-home
- Marriage Tax Calculator — filing jointly vs. separately
- W-4 Withholding Calculator — is your paycheck withholding on target?
- Estimated Tax Calculator — quarterly 1040-ES vouchers for 1099 income
- 2026 State Tax Changes — every enacted cut, verified
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Frequently Asked Questions
What are the South Carolina state income tax brackets for 2025?
For the 2025 tax year, South Carolina has a graduated income tax: rates run from 0% to 6% across three brackets, with the top rate applying above $17,830 for single filers. South Carolina replaced its brackets for 2026: 1.99% on taxable income under $30,000 and 5.21% above (down from a 6% top rate in 2025), with trigger cuts scheduled from 2027.
How is South Carolina state income tax calculated?
South Carolina applies its bracket rates to your federal taxable income (income after the federal standard deduction). This calculator applies the latest published South Carolina figures automatically.
How much tax will I pay on a $75,000 salary in South Carolina?
Roughly $2,913 in South Carolina state income tax for a single filer taking the standard deduction in 2025. Add about $7,949 of federal income tax and $5,738 of FICA (7.65%), for total taxes near $16,600 and take-home around $58,400. Credits and other income can change this.
What percentage of your paycheck goes to taxes in South Carolina?
About 22.1% for a single filer earning $75,000 in 2025: federal income tax (~10.6%), FICA (7.65%), and South Carolina state tax (~3.9%). Your exact percentage depends on income, filing status, and pre-tax contributions like a 401(k).
Does South Carolina tax Social Security benefits?
No. South Carolina does not tax Social Security benefits.
Does South Carolina tax retirement income like 401(k) or pension withdrawals?
Social Security and military retirement are fully exempt; other retirement income gets a $3,000 deduction (under 65) or $10,000 (65+), plus a separate $15,000 age-65 deduction.