South Carolina State Tax Calculator 2026
Estimate your South Carolina state income tax and take-home pay for tax year 2026.
Last updated: November 2025 · Source
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South Carolina 2026 tax overview
H.4216 (signed March 2026) replaced 3-bracket schedule with 2: 1.99% up to $30k, 5.21% above (less $966 credit). Decouples from federal std deduction; new "SCIAD" deduction TBD.
Breakdown
Frequently Asked Questions
What are the 2026 South Carolina income tax rates?
South Carolina uses a 2-bracket progressive schedule with rates from 1.99% to 5.21%. H.4216 (signed March 2026) replaced 3-bracket schedule with 2: 1.99% up to $30k, 5.21% above (less $966 credit). Decouples from federal std deduction; new "SCIAD" deduction TBD.
What is the 2026 South Carolina standard deduction?
For 2026, South Carolina allows a state standard deduction of $0 for single filers and $0 for married filing jointly.
Does South Carolina tax Social Security benefits?
Tax treatment of Social Security varies by state. South Carolina's rules can change year-to-year, check the South Carolina Department of Revenue for the most current guidance.
What is the difference between federal and South Carolina state income tax?
Federal tax is collected by the IRS at uniform rates nationwide (10%-37%). South Carolina state tax is separate, with its own brackets and rules. Total income tax burden = federal + state combined.