South Carolina sales tax calculator
Get accurate South Carolina sales tax calculations in seconds. Whether you're pricing products, creating invoices, or checking compliance, our free calculator delivers the exact figures you need – no downloads, no sign-ups required.
- Calculate exact sales tax for any transaction amount instantly
- Factor in both state and local tax rates for accurate totals
- Verify tax amounts before invoicing to avoid costly errors
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South Carolina sales tax rates
Understanding South Carolina's tax structure helps ensure accurate calculations for your business:
- State Sales Tax Rate: 6.00%
- Average Local Tax Rate: 1.49%
- Maximum Local Tax Rate: 3.00%
- Average Combined Rate: 7.49%
Important note:
Local rates vary by jurisdiction within South Carolina.

How to register for sales tax in South Carolina
Register through the MyDORWAY Business Tax Application portal, South Carolina's online system for business tax accounts. Apply for a business tax account.
Gather essential information
You'll need your federal tax ID number, NAICS code, and basic business details.
Register online via MyDORWAY
Complete the application through the MyDORWAY portal. This is the fastest method to establish your business tax account.
Wait for processing
The state typically processes applications within 5 business days.
South Carolina sales tax filing due dates
South Carolina assigns filing frequencies based on your tax liability.
- Monthly filing: Due on the 20th of the following month (most common).
- Quarterly filing: Due April 20, July 20, October 20, and January 20.
- Annual filing: Due January 20.
Important note:
Electronic filing is required for businesses with tax liability of $15,000 or more per filing period.

Simplify South Carolina sales tax with Xero
Xero helps you through your entire South Carolina sales tax process. It automatically applies correct tax rates to every invoice and generates compliant reports for filing. Eliminate spreadsheet errors, ensure accuracy, and spend more time focusing on growing your business instead of on tax.
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FAQs about South Carolina sales tax
Common exemptions include prescription medications, certain groceries, and manufacturing equipment.
Common exemptions include prescription medications, certain groceries, and manufacturing equipment.
Yes, if you have economic nexus in South Carolina (over $100,000 in sales annually), you must register and collect sales tax even without a physical presence in the state.
Yes, if you have economic nexus in South Carolina (over $100,000 in sales annually), you must register and collect sales tax even without a physical presence in the state.
Late filing penalties start at 5% of the tax due per month, up to 25% maximum. Additional interest accrues on unpaid balances at the current state rate.
Late filing penalties start at 5% of the tax due per month, up to 25% maximum. Additional interest accrues on unpaid balances at the current state rate.
Use the South Carolina Department of Revenue's jurisdiction lookup tool or contact their office directly to confirm the exact local rate for your business location.
Use the South Carolina Department of Revenue's jurisdiction lookup tool or contact their office directly to confirm the exact local rate for your business location.
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Disclaimer
Xero does not provide accounting, tax, business or legal advice. This calculator has been provided for information purposes only. You should consult your own professional advisors for advice directly relating to your business.