How much is South Carolina income tax?
Estimate your South Carolina state income tax for 2026. Type your federal AGI and filing status; the page applies South Carolina's deduction, exemptions, and rates. An estimate, not tax advice.
- South Carolina income tax
- $2,877.90
On $75,000.00 of AGI, filing Single, South Carolina income tax is $2,877.90 (3.84% effective).
- State income tax
- $2,877.90
- Effective rate
- 3.84%
- State marginal rate
- 6%
- State taxable income
- $58,900.00
- Deduction
- $16,100.00
- Exemptions
- $0.00
- Credits
- $0.00
South Carolina income tax: $2,877.90. On $75,000.00 of AGI, filing Single, South Carolina income tax is $2,877.90 (3.84% effective).
South Carolina income tax by federal adjusted gross income
The results are estimates for information only. They are not financial, tax, or legal advice. Check the numbers with your lender or a qualified professional before you decide. Terms of use
How to calculate
Estimates 2026 South Carolina income tax from federal AGI, filing status, and dependents.
Example with the default inputs (Filing status Single, Federal adjusted gross income $75,000.00, Dependents 0): On $75,000.00 of AGI, filing Single, South Carolina income tax is $2,877.90 (3.84% effective).
Method: Taxable income = AGI − larger of standard or itemized deduction − exemptions; tax = state rates on taxable income − credits.
- An estimate for a full-year resident, 2026 rates, not tax advice.
- Starts from federal AGI; South Carolina additions and subtractions are not modelled.
- Not modelled for South Carolina: South Carolina starts from federal taxable income. The dependent exemption is not modelled.
- Not modelled: part-year and nonresident returns, other state credits, and state AMT.
Worked examples
Each example is checked against the calculator on every build.
- Filing status Single, Federal adjusted gross income $50,000.00, Dependents 0 gives State taxable income $33,900.00, State income tax $1,377.90, South Carolina income tax $1,377.90.Source: SCDOR, WH-1603F Formula for Computing South Carolina 2026 Withholding Tax, https://dor.sc.gov/sites/dor/files/forms/WH1603F_2026.pdf (worked from it at AGI $50,000, single)
- Filing status Married filing jointly, Federal adjusted gross income $100,000.00, Dependents 2 gives State taxable income $67,800.00, State income tax $3,411.90, South Carolina income tax $3,411.90.
- Filing status Head of household, Federal adjusted gross income $200,000.00, Dependents 1 gives State taxable income $175,850.00, State income tax $9,894.90, South Carolina income tax $9,894.90.
Other questions people ask
What is the South Carolina income tax rate?
South Carolina taxes income at 3% to 6% in 3 brackets (single filers). For a single filer the schedule is 0% from $0, 3% from $3,640, 6% above $18,230 of taxable income. These are the 2026 rates.
How is South Carolina income tax calculated?
Start from federal adjusted gross income. Subtract the larger of the South Carolina standard deduction and your itemized deductions, then the exemptions. Apply the rates to what is left and subtract any credits. South Carolina uses the federal standard deduction ($16,100 single, $32,200 joint, $24,150 head of household for 2026). The model has no exemptions or credits for this state.
Does South Carolina have a local income tax?
This page has no local income tax for South Carolina; if your city or county has one, add it yourself.
What does this South Carolina calculator leave out?
South Carolina starts from federal taxable income. The dependent exemption is not modelled. It also leaves out state additions and subtractions to federal AGI (such as retirement or Social Security exclusions), part-year and nonresident returns, and credits such as child care, earned income, and tax paid to another state.
Which tax year do the South Carolina rates cover?
Tax year 2026, the return you file in 2027. They come from SCDOR.
Which states have no income tax on wages?
Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming. They have no page of their own, because there is no wage income tax to work out; the state income tax calculator answers 0 for them. Federal income tax and Social Security and Medicare still apply.
Is this the same as my paycheck withholding?
No. This is the tax for the whole year on your return. Your employer withholds by the state's own withholding formula, so your refund or balance due is the difference between the two.