1099 Tax Calculator for South Carolina — 2026
As a South Carolina 1099 contractor, you pay federal self-employment tax (15.3%) plus 6.4% South Carolina state income tax. Here's what you'll actually owe in 2026.
SE Tax Rate
15.3%
Federal
State Tax
6.4%
South Carolina
SE Deduction
50%
of SE tax
Std Deduction
$15,700
Single 2026
1099 Take-Home Pay — South Carolina (2026)
| 1099 Income | SE Tax | Federal | SC Tax | Take-Home | Quarterly |
|---|---|---|---|---|---|
| $25,000 | -$3,532 | -$753 | -$1,600 | $19,115 | $1,471 |
| $50,000 | -$7,065 | -$3,454 | -$3,200 | $36,281 | $3,430 |
| $75,000 | -$10,597 | -$6,794 | -$4,800 | $52,809 | $5,548 |
| $100,000 | -$14,130 | -$11,906 | -$6,400 | $67,564 | $8,109 |
| $150,000 | -$21,194 | -$22,536 | -$9,600 | $96,670 | $13,333 |
* Single filer, standard deduction. "Quarterly" = estimated quarterly tax payment.
What Is a 1099 Tax in South Carolina?
When you receive a 1099-NEC form as an independent contractor in South Carolina, you are responsible for paying your own taxes — no employer withholds them for you. Your 1099 tax bill has three parts:
- Self-Employment Tax (15.3%): Covers Social Security (12.4%) and Medicare (2.9%). You pay both the employee and employer share.
- Federal Income Tax: Based on your taxable income after deducting half of SE tax and the standard deduction ($15,700 in 2026).
- South Carolina State Income Tax (6.4%): Applies to your net income.
Get Your Exact South Carolina 1099 Tax Estimate
Enter your income, filing status, and deductions for a full breakdown.
Open 1099 Calculator →1099 Tax FAQ — South Carolina
How much should I save for 1099 taxes in South Carolina?
In South Carolina, save approximately 23–32% of your 1099 income. At $75,000 income, that means setting aside $19,650–$24,360 for taxes.
When are 1099 estimated tax payments due in South Carolina for 2026?
Federal estimated tax payments are due April 15, June 16, September 15, 2026, and January 15, 2027. South Carolina state estimated payments generally follow the same schedule — check the South Carolina Department of Revenue for exact dates.
Do I need to file a South Carolina state tax return as a 1099 contractor?
Yes. As a South Carolina 1099 contractor, you must file both a federal return (Form 1040 + Schedule C + Schedule SE) and a South Carolina state income tax return if your income exceeds the filing threshold.