Paycheck · South Carolina · 2026
South Carolina Paycheck Calculator
Estimate salary or hourly take-home pay using the 2026 WH1603F payroll-withholding formula currently linked by SCDOR, your independent SC W-4 allowance count and federal payroll rules. Act 110 changed 2026 return taxes; this calculator models the posted payroll formula rather than final income-tax liability. The estimate and report are free.
Verified for tax year 2026 · State rules reviewed
Review details
Page content updated
Last updated: October 2026
South Carolina paycheck taxes at a glance
Zero SC W-4 allowances means no personal allowance or standard withholding deduction. One or more allows $5,000 each plus 10% of taxable wages, capped at $7,500.
- Annual amount per allowance
- $5,000
- Deduction with positive allowances
- 10% of wages, up to $7,500
- Currently posted payroll rates
- 0% / 3% / 6%
- Act 110 return reform
- Different rates and SCIAD; not final liability here
Estimated take-home pay
$2,859.51
per biweekly pay · $112,000.00 annual grossest. tax rate
- Gross pay
- $4,307.69
- Federal income tax
- −$518.89
- Social Security
- −$255.30
- Medicare
- −$59.71
- South Carolina state income tax withholding
- −$208.90
- Pre-tax deductions
- −$405.38
- Post-tax deductions
- −$0.00
- Net pay
- $2,859.51
$1,429.76
$2,859.51
$6,195.61
$74,347.31
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Paycheck estimate — not an employer-issued paystub or proof of income.
What-if scenarios
Calculations are estimates for informational purposes and are not tax, legal, or financial advice. Actual withholding and take-home pay may differ.
How South Carolina withholding is calculated
Withholding and final 2026 tax are different
SCDOR's current withholding forms page links WH1603F 2026, revision 11/4/25. It uses the payroll formula shown here. Act 110, signed March 30, 2026, changes the 2026 return structure and introduces SCIAD. August 31 Information Letter 26-20 directs withholding-table adjustment. We checked the currently linked payroll formula on October 19; this estimate does not calculate the new return liability, infer a refund or assume a future withholding revision.
The allowance count controls two deductions
Copy SC W-4 line 5. Each allowance removes $5,000 from annualized taxable wages. With one or more allowances, also subtract 10% of those wages, capped at $7,500; with zero allowances, neither deduction applies. Federal filing status, dependent credits and W-4 adjustments do not replace the state certificate. The formula is common across certificate marital statuses; no separate marital tax table is invented. The product does not prepare certificate worksheets or determine allowance eligibility.
Reproduce SCDOR's own weekly example
The official formula uses $750 weekly with three allowances: $39,000 annualized wages minus $15,000 allowances minus $3,900 wage deduction gives $20,100 taxable. State annual withholding is $549.90; divided by 52 gives weekly withholding of $10.58. Enter no benefits to reproduce that wage example. Federal withholding and FICA reduce net pay independently; our net figure is not a government example.
Pre-tax benefits and extra withholding
Eligible retirement and health salary reductions lower modeled income-taxable wages before the allowance and wage deductions. Additional SC W-4 line 6 withholding is a separate per-pay amount, entered once. A valid current line 7 exemption suppresses state and extra withholding; federal exemption alone does not decide the state election.
Bonus and pay-frequency scope
The annual bonus field is averaged with annual wages for this standard state estimate. It does not calculate actual separate-payment bonus withholding, payroll history or a flat supplemental election. Weekly 52, biweekly 26, semimonthly 24 and monthly 12 use annualization; daily 260, quarterly 4 and semiannual 2 apply the same annual formula as estimates without claiming printed columns. Payment timing and employer methods can produce a different actual deduction.
Other limits
Nonresident wage allocation, cross-state credits, special employment, refunds, year-end adjustments and final-return liability are not modeled. No separate employee state premium or local wage-tax deduction is registered for South Carolina; that describes this calculation's scope rather than determining personal coverage or liability. Use actual additional deductions when applicable.
Official sources
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South Carolina paycheck questions
What the South Carolina estimate includes, which official schedules it uses, and what it deliberately leaves out.
Does this estimate calculate Act 110 final income tax?
No. It uses the currently posted 2026 employer withholding formula. The2026 return rates and SCIAD are different and may affect your final liability; no refund or balance due is inferred.
Why does zero allowances remove the10% wage deduction?
The official WH1603F grants that deduction only when one or more personal allowances are claimed. It is capped at $7,500 and does not replace the separate $5,000 per-allowance deduction.
Is the annual bonus an actual bonus withholding calculation?
For this state estimate it is averaged with annual wages. Actual separate-payment withholding is outside this current standard scope.