South Carolina Paycheck Calculator (2026 Tax Rates)
Calculate South Carolina net take-home pay, state income tax brackets, federal withholding, and FICA deductions.
How to Use the South Carolina Paycheck Calculator (2026 Tax Rates)
South Carolina implements a graduated individual income tax structure with a top statutory bracket that has steadily phased downward from 7.0% toward 6.0% under ongoing state fiscal reform legislation. When calculating your take-home paycheck in the Palmetto State, employers deduct federal income taxes, FICA contributions, and state withholding based on your Form SC W-4.
Formula and Calculation Methodology
- SC Top Bracket: 6.4% top individual marginal income tax rate (reduced under recent legislative tax cuts)
- FICA Taxes: Mandatory federal payroll deductions: 6.2% Social Security and 1.45% Medicare
- Pre-Tax Benefits: Qualified employer deductions (401k, FSA, HSA, health insurance) reducing taxable income
- Standard Deduction: State and federal baseline exemptions subtracted from gross taxable earnings
A significant financial advantage in South Carolina is that the state does not permit local, municipal, or county-level income taxes. Workers retain 100% of non-state-taxed income compared to states like Ohio or Pennsylvania where city wage taxes deduct an additional 1% to 3.8%.
South Carolina Individual Income Tax Rate Schedule
| Taxable Income Bracket | SC Tax Rate | Marginal Tax Calculation |
|---|---|---|
| $0 to $3,460 | 0.0% | No state tax on baseline earnings |
| $3,460 to $17,330 | 3.0% | $0 plus 3.0% of excess over $3,460 |
| $17,330 and Above | 6.4% | $416.10 plus 6.4% of excess over $17,330 |
Frequently Asked Questions
Does South Carolina tax military retirement pay?
No. Under the Workforce Enhancement and Military Recognition Act, South Carolina fully exempts military retirement pay from state individual income taxation.
What is the top income tax rate in South Carolina?
The top individual income tax rate in South Carolina is currently 6.4%, with planned statutory reductions taking it down toward 6.0% as state revenue triggers are met.
How do 401(k) contributions affect my South Carolina paycheck?
Traditional 401(k) and 403(b) contributions are exempt from both federal and South Carolina state income taxes, lowering your taxable wage base and reducing total withholding per pay period.