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South Carolina Income Tax Calculator

Estimate your 2025 combined federal and South Carolina income tax — South Carolina adds progressive state income tax on top of federal.

InputsTY-2025
$
$
$
Federal + state tax17.9% effective
$17,862/yr
10% on $11,925$1,193
12% on $36,550$4,386
22% on $35,775$7,871
federal tax subtotal$13,449
SC state tax$4,413
taxable income
$84,250
marginal rate
22.0%
after tax
$82,138

Income tax in South Carolina

South Carolina's top rate fell from 6.2% to 6.0% for tax year 2025 under a budget proviso accelerating the state's scheduled cuts; the first $3,560 of taxable income is untaxed and a 3% band runs to $17,830, with the same schedule for all filing statuses. The state uses the federal standard deduction. Capital gains are taxed as ordinary income, but 44% of net long-term gains are deductible, so this estimate overstates tax on large gains.

Common questions

What is the South Carolina state income tax rate?
South Carolina has progressive state income tax brackets, applied on top of your federal tax.
Does South Carolina tax capital gains?
Yes — South Carolina taxes capital gains as ordinary income at the same rate as your wages.

How we calculate this

Federal brackets per our income-tax methodology, plus 2025 South Carolina state tax. Estimates only — not tax advice.

Tax Foundation: 2025 state income tax rates →South Carolina Dept. of Revenue →
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Estimates for general informational purposes only; not tax advice. South Carolina figures are simplified (credits, local taxes, and AGI adjustments vary) and should be verified with the state Department of Revenue.