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South Carolina Tax Calculator

The South Carolina (SC) Tax Calculator is updated for the 2026/27 tax year and estimates South Carolina state income tax, federal income tax, and FICA/Medicare. South Carolina uses a progressive income tax system with deductions for retirement income, military pensions, and other qualifying items. This calculator helps residents estimate total taxes and take-home pay while accounting for both state and federal obligations.

Filers may claim credits for child and dependent care, two-wage earners, and tuition tax deductions. Use this tool to preview your estimated tax balance or refund before completing your return.

Quick Access Tools

Quick South Carolina Tax Calculator

Enter your income and filing status, then select Calculate. Open advanced tabs to include deductions, dependents, 401(k) or IRA contributions, and withholdings. South Carolina allows adjustments for retirement and military income, so include those if applicable.

Input key: F Used in Federal tax calculations S Used in State tax calculations

Quick Tax Calculation Detailed Tax Calculation
Filing Information Quick Inputs Income Details Deductions & Adjustments State Options IRA, Pensions & Annuities Withholdings

Filing Information

Set your filing status, dependants and personal details so the calculator can apply the correct Federal and State rules.

Quick Inputs

Provide a summary of your income and deductions to calculate your Federal and State tax position quickly.

Income Details

Enter the specific types of income that contribute to your Federal Adjusted Gross Income.

For Schedule B

Deductions & Adjustments

Deductions & Adjustments

Include any adjustments to income that reduce your Federal/State Adjusted Gross Income.

State Options

Some states apply local income taxes in addition to State tax. Enter your local rate if it applies.

IRA, Pensions & Annuities

Enter the details for your retirement contributions and income sources, which are used to compute values on **Form 8606**. This includes contributions to traditional IRAs, 529 savings plans, and rollovers, as well as income from rental properties, farms, unemployment, and other sources. Additionally, provide information on any disaster-related distributions or IRA rollovers you’ve made, and enter your capital gain distributions if applicable. These inputs are essential for accurately calculating your total retirement-related income and determining your tax liabilities or benefits, specifically regarding IRA deductions and distributions as outlined in **Form 8606**.

Withholdings

Enter withheld amounts to calculate refund or balance due.

How to Calculate Income Tax in South Carolina for 2026/27

  1. Enter your gross annual income and applicable deductions.
  2. Select your filing status — Single, Married Filing Jointly, or Head of Household.
  3. Click Calculate to estimate state and federal income tax, FICA, and take-home pay.

Advanced Options

  • Enter retirement income exclusions or adjustments.
  • Include child care and education credits.
  • Add 401(k)/IRA or other pre-tax deferrals.
  • Enter state and federal withholdings to estimate refund or balance due.

Related Calculators

Additional Resources

Frequently Asked Questions

Find answers to common South Carolina tax questions, including deductions for retirement income, dependent care, and education credits.

Does South Carolina allow a credit for taxes paid to another state?

Yes—SC residents may claim a credit for income tax paid to another state on the same income. Use the SC return tool to calculate the exact credit.

How do I avoid a big bill at filing time?

Increase SC withholding or make quarterly estimated payments if you have other income (investments, side gigs). The SC return tool can compute suggested estimates.

Does South Carolina have a “use tax” on online purchases?

Yes—SC imposes use tax on untaxed out-of-state purchases; it’s settled on your SC return, separate from wage withholding.

How do I model extra withholding just for a bonus?

Add a flat extra withholding amount for that pay period in this page to preview cash-flow and year-end effects.

Are there “millionaire taxes” or surcharges in SC?

SC relies on a multi-bracket PIT with a top rate (phasing downward over time); there is no separate millionaire surcharge at the state level as of 2026.

Important Notes

All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.